Our premier, rapidly growing team is

Our premier, rapidly growing team is

Driving our Success

Driving our Success

Myriad Systems is disrupting the market and doing our small part to preserve private healthcare.

Meet the architects of our incredible story...

Myriad Systems is disrupting the market and doing our small part to preserve private healthcare. Meet the architects of our incredible story...

Myriad Systems is disrupting the market and doing our small part to preserve private healthcare. Meet the architects of our incredible story...

Arthur Bolbirer

Director of MedBill & MedBill Dental Solutions

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Arthur Bolbirer

Director of MedBill & MedBill Dental Solutions

Arthur is a revenue cycle management professional with over 25 years of hands-on experience. He has extensive expertise in end-to-end revenue cycle processes, including patient registration, insurance verification, coding, billing, and claims processing. He has a successful track record in managing teams of various sizes. Arthur is passionate about overseeing tasks from start to finish. 

With the company’s exponential growth in the last year, MedBill and MedBill Dental Solutions is thriving under Arthur’s leadership and experience. 

Arthur Bolbirer

Director of MedBill & MedBill Dental Solutions

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Arthur Bolbirer

Director of MedBill & MedBill Dental Solutions

Arthur is a revenue cycle management professional with over 25 years of hands-on experience. He has extensive expertise in end-to-end revenue cycle processes, including patient registration, insurance verification, coding, billing, and claims processing. He has a successful track record in managing teams of various sizes. Arthur is passionate about overseeing tasks from start to finish. 

With the company’s exponential growth in the last year, MedBill and MedBill Dental Solutions is thriving under Arthur’s leadership and experience. 

Arthur Bolbirer

Director of MedBill & MedBill Dental Solutions

Click to
Read Bio

Arthur Bolbirer

Director of MedBill & MedBill Dental Solutions

Arthur is a revenue cycle management professional with over 25 years of hands-on experience. He has extensive expertise in end-to-end revenue cycle processes, including patient registration, insurance verification, coding, billing, and claims processing. He has a successful track record in managing teams of various sizes. Arthur is passionate about overseeing tasks from start to finish. 

With the company’s exponential growth in the last year, MedBill and MedBill Dental Solutions is thriving under Arthur’s leadership and experience. 

Rosa Galvez

Lead Medical Coder

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Rosa Galvez

Lead Medical Coder

Rosa is a Coding, Billing, Auditing, and Credentialing expert with 20+ years of experience. Her coding and billing background stems back to the early days of ICD9, dot matrix printers, using jumbo sharpie markers to ensure secondary paper claims were HIPAA compliant. She played an active role during the transition from paper claims to EHR/PM systems, which sparked her interest in learning more about clinical and practice management software development. Rosa has a thorough knowledge of federal, state, and commercial credentialing and billing guidelines. She takes great pride in relieving providers, and staff, of the administrative burden with provider onboarding, licensing, credentialing, contracting, audits, and revenue cycle management. 

Rosa Galvez

Lead Medical Coder

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Rosa Galvez

Lead Medical Coder

Rosa is a Coding, Billing, Auditing, and Credentialing expert with 20+ years of experience. Her coding and billing background stems back to the early days of ICD9, dot matrix printers, using jumbo sharpie markers to ensure secondary paper claims were HIPAA compliant. She played an active role during the transition from paper claims to EHR/PM systems, which sparked her interest in learning more about clinical and practice management software development. Rosa has a thorough knowledge of federal, state, and commercial credentialing and billing guidelines. She takes great pride in relieving providers, and staff, of the administrative burden with provider onboarding, licensing, credentialing, contracting, audits, and revenue cycle management. 

Rosa Galvez

Lead Medical Coder

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Rosa Galvez

Lead Medical Coder

Rosa is a Coding, Billing, Auditing, and Credentialing expert with 20+ years of experience. Her coding and billing background stems back to the early days of ICD9, dot matrix printers, using jumbo sharpie markers to ensure secondary paper claims were HIPAA compliant. She played an active role during the transition from paper claims to EHR/PM systems, which sparked her interest in learning more about clinical and practice management software development. Rosa has a thorough knowledge of federal, state, and commercial credentialing and billing guidelines. She takes great pride in relieving providers, and staff, of the administrative burden with provider onboarding, licensing, credentialing, contracting, audits, and revenue cycle management. 

Amanda Miller

Senior Biller Team Lead- West

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Amanda Miller

Senior Biller Team Lead- West

Amanda has 15+ years of healthcare experience including medical records management, billing, credentialing, EDI/ERA enrollments, and revenue cycle management. She serves as a Senior Biller and Team Lead MedBill-West. Her attention to details when resolving reimbursement issues are outstanding! 

Amanda Miller

Senior Biller Team Lead- West

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Amanda Miller

Senior Biller Team Lead- West

Amanda has 15+ years of healthcare experience including medical records management, billing, credentialing, EDI/ERA enrollments, and revenue cycle management. She serves as a Senior Biller and Team Lead MedBill-West. Her attention to details when resolving reimbursement issues are outstanding! 

Amanda Miller

Senior Biller Team Lead- West

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Amanda Miller

Senior Biller Team Lead- West

Amanda has 15+ years of healthcare experience including medical records management, billing, credentialing, EDI/ERA enrollments, and revenue cycle management. She serves as a Senior Biller and Team Lead MedBill-West. Her attention to details when resolving reimbursement issues are outstanding! 

Taylor Jarina

Senior Biller Team Lead - East

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Taylor Jarina

Senior Biller Team Lead - East

Taylor has over 20 years of customer service experience with most of it spent in healthcare. Her experience spans from practice management to billing across multiple states, medical records and revenue cycle management. Proven success spearheading strategy to drive incremental training for EMR systems and company communications. A data-driven, dedicated leader who is passionate about employee engagement, marketing, technology, and developing winning teams. She has extensive knowledge across multiple EHR platforms and the implementation processes. She has a passion for resolving reimbursements issues so that providers can trust that their billing is top priority.

Taylor Jarina

Senior Biller Team Lead - East

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Taylor Jarina

Senior Biller Team Lead - East

Taylor has over 20 years of customer service experience with most of it spent in healthcare. Her experience spans from practice management to billing across multiple states, medical records and revenue cycle management. Proven success spearheading strategy to drive incremental training for EMR systems and company communications. A data-driven, dedicated leader who is passionate about employee engagement, marketing, technology, and developing winning teams. She has extensive knowledge across multiple EHR platforms and the implementation processes. She has a passion for resolving reimbursements issues so that providers can trust that their billing is top priority.

Taylor Jarina

Senior Biller Team Lead - East

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Taylor Jarina

Senior Biller Team Lead - East

Taylor has over 20 years of customer service experience with most of it spent in healthcare. Her experience spans from practice management to billing across multiple states, medical records and revenue cycle management. Proven success spearheading strategy to drive incremental training for EMR systems and company communications. A data-driven, dedicated leader who is passionate about employee engagement, marketing, technology, and developing winning teams. She has extensive knowledge across multiple EHR platforms and the implementation processes. She has a passion for resolving reimbursements issues so that providers can trust that their billing is top priority.

Miranda Sierra

Credentialing Specialist - East

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Miranda Sierra

Credentialing Specialist - East

Miranda is a seasoned professional with over a decade of experience in the Healthcare Office Management field. Her skillset also includes leadership, bookkeeping, customer service and a solid knowledge of Joint Commission, NCQA and CMS credentialing standards.  With her proficiency in the intricacies of credentialing and dedication to building strong professional relationships with clients, she serves each of her MedBill clients with the utmost competence and genuine care.

Miranda Sierra

Credentialing Specialist - East

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Miranda Sierra

Credentialing Specialist - East

Miranda is a seasoned professional with over a decade of experience in the Healthcare Office Management field. Her skillset also includes leadership, bookkeeping, customer service and a solid knowledge of Joint Commission, NCQA and CMS credentialing standards.  With her proficiency in the intricacies of credentialing and dedication to building strong professional relationships with clients, she serves each of her MedBill clients with the utmost competence and genuine care.

Miranda Sierra

Credentialing Specialist - East

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Miranda Sierra

Credentialing Specialist - East

Miranda is a seasoned professional with over a decade of experience in the Healthcare Office Management field. Her skillset also includes leadership, bookkeeping, customer service and a solid knowledge of Joint Commission, NCQA and CMS credentialing standards.  With her proficiency in the intricacies of credentialing and dedication to building strong professional relationships with clients, she serves each of her MedBill clients with the utmost competence and genuine care.

Marilyn Tlmuach

Credentialing Specialist - West

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Marilyn Tlmuach

Credentialing Specialist - West

With over 16 years of client-focused medical billing and coding experience, Marilyn is highly skilled in analyzing and validating patient information, diagnoses, and billing data.  She has spent over a decade overseeing department functions including coding, charge entry, claims, payment posting, and reimbursement management. Marilyn is an expert in compliance, practice management, policies and procedures. She will ensure your practice is protected and profitable. She brings immense passion and experience to the Myriad Health family of services and is excited to challenge the status quo in order to protect the private healthcare model.

Marilyn Tlmuach

Credentialing Specialist - West

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Marilyn Tlmuach

Credentialing Specialist - West

With over 16 years of client-focused medical billing and coding experience, Marilyn is highly skilled in analyzing and validating patient information, diagnoses, and billing data.  She has spent over a decade overseeing department functions including coding, charge entry, claims, payment posting, and reimbursement management. Marilyn is an expert in compliance, practice management, policies and procedures. She will ensure your practice is protected and profitable. She brings immense passion and experience to the Myriad Health family of services and is excited to challenge the status quo in order to protect the private healthcare model.

Marilyn Tlmuach

Credentialing Specialist - West

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Marilyn Tlmuach

Credentialing Specialist - West

With over 16 years of client-focused medical billing and coding experience, Marilyn is highly skilled in analyzing and validating patient information, diagnoses, and billing data.  She has spent over a decade overseeing department functions including coding, charge entry, claims, payment posting, and reimbursement management. Marilyn is an expert in compliance, practice management, policies and procedures. She will ensure your practice is protected and profitable. She brings immense passion and experience to the Myriad Health family of services and is excited to challenge the status quo in order to protect the private healthcare model.

MedBill Dental Solutions

Client Services

Courtney Cavallon

Team Lead – Dental Billing & Credentialing Services

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Courtney Cavallon

Team Lead – Dental Billing & Credentialing Services

Courtney is the driving force behind our MedBill Dental Solutions Division, bringing over 16 years of expertise in the dental billing arena to her role. With a comprehensive understanding of the diverse needs and demands of the industry, Courtney possesses intimate knowledge acquired through hands-on experience across various aspects of dental care.


From general dentistry to specialized fields such as implantology and periodontics, Courtney has navigated the intricacies of single-site practices to multi-site management with finesse. Her extensive background provides her with a deep understanding of both the daily operations and overarching needs of the dental industry

Courtney Cavallon

Team Lead – Dental Billing & Credentialing Services

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Courtney Cavallon

Team Lead – Dental Billing & Credentialing Services

Courtney is the driving force behind our MedBill Dental Solutions Division, bringing over 16 years of expertise in the dental billing arena to her role. With a comprehensive understanding of the diverse needs and demands of the industry, Courtney possesses intimate knowledge acquired through hands-on experience across various aspects of dental care.


From general dentistry to specialized fields such as implantology and periodontics, Courtney has navigated the intricacies of single-site practices to multi-site management with finesse. Her extensive background provides her with a deep understanding of both the daily operations and overarching needs of the dental industry

Courtney Cavallon

Team Lead – Dental Billing & Credentialing Services

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Courtney Cavallon

Team Lead – Dental Billing & Credentialing Services

Courtney is the driving force behind our MedBill Dental Solutions Division, bringing over 16 years of expertise in the dental billing arena to her role. With a comprehensive understanding of the diverse needs and demands of the industry, Courtney possesses intimate knowledge acquired through hands-on experience across various aspects of dental care.


From general dentistry to specialized fields such as implantology and periodontics, Courtney has navigated the intricacies of single-site practices to multi-site management with finesse. Her extensive background provides her with a deep understanding of both the daily operations and overarching needs of the dental industry

Brittany Thompson

Dental Biller

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Brittany Thompson

Dental Biller

With over 15 years of combined experience in the dental, healthcare and wellness space, Brittany stands as a seasoned professional adept at navigating patient care from the moment of checking-in to  processing patient/insurance payments to close out an encounter.  Her dental experience has been multifaceted encompassing general dentistry, orthodontics and otolaryngology. 

Her commitment to excellence and firm understanding of the nuances within the dental field, makes her a valuable partner to our MedBill Dental Solutions clients. 

Brittany Thompson

Dental Biller

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Brittany Thompson

Dental Biller

With over 15 years of combined experience in the dental, healthcare and wellness space, Brittany stands as a seasoned professional adept at navigating patient care from the moment of checking-in to  processing patient/insurance payments to close out an encounter.  Her dental experience has been multifaceted encompassing general dentistry, orthodontics and otolaryngology. 

Her commitment to excellence and firm understanding of the nuances within the dental field, makes her a valuable partner to our MedBill Dental Solutions clients. 

Brittany Thompson

Dental Biller

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Brittany Thompson

Dental Biller

With over 15 years of combined experience in the dental, healthcare and wellness space, Brittany stands as a seasoned professional adept at navigating patient care from the moment of checking-in to  processing patient/insurance payments to close out an encounter.  Her dental experience has been multifaceted encompassing general dentistry, orthodontics and otolaryngology. 

Her commitment to excellence and firm understanding of the nuances within the dental field, makes her a valuable partner to our MedBill Dental Solutions clients. 

Kassandra White

Dental Biller

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Kassandra White

Dental Biller

Kassandra embarked on her dental industry career by earning her Dental Assistant Certification in 2016. She honed her expertise as a Patient Care Coordinator in a family and cosmetic dentistry practice before advancing to a customer service role at a leading insurance company. In this capacity, she expertly managed a broad spectrum of client needs including policy inquiries, claims processing, and billing. Kassandra now leverages her comprehensive dental practice background, refined client services skills and claims processing skills to deliver exceptional support to our MedBill clients.

Kassandra White

Dental Biller

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Kassandra White

Dental Biller

Kassandra embarked on her dental industry career by earning her Dental Assistant Certification in 2016. She honed her expertise as a Patient Care Coordinator in a family and cosmetic dentistry practice before advancing to a customer service role at a leading insurance company. In this capacity, she expertly managed a broad spectrum of client needs including policy inquiries, claims processing, and billing. Kassandra now leverages her comprehensive dental practice background, refined client services skills and claims processing skills to deliver exceptional support to our MedBill clients.

Kassandra White

Dental Biller

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Kassandra White

Dental Biller

Kassandra embarked on her dental industry career by earning her Dental Assistant Certification in 2016. She honed her expertise as a Patient Care Coordinator in a family and cosmetic dentistry practice before advancing to a customer service role at a leading insurance company. In this capacity, she expertly managed a broad spectrum of client needs including policy inquiries, claims processing, and billing. Kassandra now leverages her comprehensive dental practice background, refined client services skills and claims processing skills to deliver exceptional support to our MedBill clients.

Cruz Gomez

Dental Biller

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Cruz Gomez

Dental Biller

Cruz Gomez is a seasoned professional with over a decade of extensive experience in dental healthcare administration.
Cruz is proficient in managing patient records, verifying dental insurance benefits, and coordinating treatment plans. Her skill set includes efficiently processing billing statements and liaising with insurance companies, all of which contribute to the smooth operation of dental practices.
Fluent in both English and Spanish, Cruz is dedicated to delivering exceptional customer service and fostering positive client interactions. Her self-motivated nature and strong organizational skills make her an invaluable asset to our MedBill Dental clients.

Cruz Gomez

Dental Biller

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Cruz Gomez

Dental Biller

Cruz Gomez is a seasoned professional with over a decade of extensive experience in dental healthcare administration.
Cruz is proficient in managing patient records, verifying dental insurance benefits, and coordinating treatment plans. Her skill set includes efficiently processing billing statements and liaising with insurance companies, all of which contribute to the smooth operation of dental practices.
Fluent in both English and Spanish, Cruz is dedicated to delivering exceptional customer service and fostering positive client interactions. Her self-motivated nature and strong organizational skills make her an invaluable asset to our MedBill Dental clients.

Cruz Gomez

Dental Biller

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Cruz Gomez

Dental Biller

Cruz Gomez is a seasoned professional with over a decade of extensive experience in dental healthcare administration.
Cruz is proficient in managing patient records, verifying dental insurance benefits, and coordinating treatment plans. Her skill set includes efficiently processing billing statements and liaising with insurance companies, all of which contribute to the smooth operation of dental practices.
Fluent in both English and Spanish, Cruz is dedicated to delivering exceptional customer service and fostering positive client interactions. Her self-motivated nature and strong organizational skills make her an invaluable asset to our MedBill Dental clients.