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

William John Markmann, MD

Individual provider Orthopaedic Surgery Physician · NPI 1912973660

William John Markmann, MD is an Orthopedic Surgery in Philadelphia, Pennsylvania. Graduated from Temple University School of Medicine in 1974, 52 years ago. Practices with Hr Physician Services, a 184-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
52
Trained at
Temple University School 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

7500 Central Ave Ste 108
Philadelphia, PA 19111-2430
Phone: (215) 745-4050
Fax: (215) 745-9333
Show map & directions

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

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence MD016702E (PA)

Record details

NPI number1912973660
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 23, 2006
Last updated in NPPESJune 26, 2014

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolTEMPLE UNIVERSITY SCHOOL OF MEDICINE
Graduated 1974 (52 years in practice)
Group practice Hr Physician Services — 184 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Philadelphia