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About Us

Medical Ancillary Services [MAS] is a family owned and operated medical billing service that specializes in MHSA [Mental Health Substance Abuse] billing....that's all we do.

We all think alike:

We strive for accuracy and consistency.

. . .EHR that fully integrates with the billing process.


Two generations work together to provide our clients with the tools they need to grow their practices. We take pride in our work and work ethics. We work with providers and groups - psychiatrists, psychologists, mental health nurse practitioners, therapists.


Our clients consider us a part of their team. We offer our equipment, comprehensive software, knowledge, and the finest customer service to help you focus on what you do best ~ taking care of your patients.



Medical Ancillary Services charges competitive rates for their services. Each client is unique with their own requirements. We tailor our services to best meet your needs. Every client has a customized profile created and fees are based upon the individual client requirements.

We offer a graduated fee schedule for the first few months. Call us to discuss your personalized quotation to fulfill all your wants and needs to ensure the good health of your practice.

The missing piece to your success.
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