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

MS. Mary M Masterson, PA

Individual provider Physician Assistant · NPI 1982654893

MS. Mary M Masterson, PA is a Physician Assistant in Baltimore, Maryland. Licensed in Maryland. Registered with an NPI since 2006.

Licensed in
MD
In the registry since
2006
What do these letters mean?
PA — Physician Assistant
A licensed clinician who examines, diagnoses and treats under a physician's supervision.

See every abbreviation used in this directory →

Practice location Address checks out

4940 Eastern Ave
Baltimore, MD 21224-2735
Phone: (410) 550-0350
Fax: (410) 933-1390
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence C01920 (MD)

Record details

NPI number1982654893
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA
Sole proprietorNo
NPI enumeratedMay 11, 2006
Last updated in NPPESOctober 19, 2010

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