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

Dr. Mark Thomas Watkins, DO

Individual provider Adult Medicine Physician · NPI 1336226166

Dr. Mark Thomas Watkins, DO is a General Practice in Philadelphia, Pennsylvania. Graduated from Philadelphia College of Osteopathic Medicine in 1986, 40 years ago. Practices with Mazzoni Center, a 6-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
40
Trained at
Philadelphia College of Osteopathic Medicine
Licensed in
PA
In the registry since
2006
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

253 So 10th St Ste 201
Philadelphia, PA 19107-5605
Phone: (215) 829-0170
Fax: (215) 829-0173
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Adult Medicine Physician (primary) Taxonomy 207QA0505X · Licence OS006195L (PA)

Record details

NPI number1336226166
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedNovember 1, 2006
Last updated in NPPESMay 26, 2009

Medicare enrollment

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

Medicare specialtyGENERAL PRACTICE
Medical schoolPHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 1986 (40 years in practice)
Group practice Mazzoni Center — 6 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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