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

James Charles McMaster, DO

Individual provider Internal Medicine Physician · NPI 1346301207

James Charles McMaster, DO is an Internal Medicine Physician in Philadelphia, Pennsylvania. Licensed in New Jersey and Pennsylvania. Registered with an NPI since 2006.

Licensed in
NJ, PA
In the registry since
2006
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

501 S 54th Street Mercy Hospital Of Philadelphia
Philadelphia, PA 19143
Phone: (215) 748-9000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence OS004037L (PA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 25MB04019700 (NJ)

Record details

NPI number1346301207
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedDecember 13, 2006
Last updated in NPPESJuly 6, 2020
Certification dateJuly 6, 2020

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