Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Mary Ann Williamson, MD

Individual provider Cardiovascular Disease Physician · NPI 1598931206

Dr. Mary Ann Williamson, MD is a Cardiovascular Disease (Cardiology) in Doylestown, Pennsylvania. Qualified in 2006, 20 years ago. Practices with Via Affiliates, a 194-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
20
Licensed in
PA
In the registry since
2008
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

315 W State St
Doylestown, PA 18901-3525
Phone: (215) 345-1900
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence MD448085 (PA)

Record details

NPI number1598931206
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 2, 2008
Last updated in NPPESJune 15, 2015

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2006 (20 years in practice)
Group practice Via Affiliates — 194 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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