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

Thomas Peter Harder, MD

Individual provider Rheumatology Physician · NPI 1174568612

Thomas Peter Harder, MD is a Rheumatology in Wynnewood, Pennsylvania. Graduated from Ohio State University College of Medicine in 1989, 37 years ago. Practices with Bryn Mawr Medical Specialists Association, a 135-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Pennsylvania.

Years since qualifying
37
Trained at
Ohio State University College of Medicine
Licensed in
PA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

100 E Lancaster Ave 137 Lankenau Medical Bldg
Wynnewood, PA 19096-3450
Phone: (610) 896-8400
Fax: (610) 896-9652
Show map & directions

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

Specialties & licences

Rheumatology Physician (primary) Taxonomy 207RR0500X · Licence MD072001L (PA)

Record details

NPI number1174568612
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 18, 2006
Last updated in NPPESNovember 2, 2012
Mailing address100 E Lancaster Ave, 137 Lankenau Medical Bldg., Wynnewood, PA 19096-3450

Medicare enrollment

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

Medicare specialtyRHEUMATOLOGY
Medical schoolOHIO STATE UNIVERSITY COLLEGE OF MEDICINE
Graduated 1989 (37 years in practice)
Group practice Bryn Mawr Medical Specialists Association — 135 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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