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

Dr. Mark O'Hara, MD

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1225291933

Dr. Mark O'Hara, MD is a Hematology/Oncology in Philadelphia, Pennsylvania. Qualified in 2008, 18 years ago. Practices with University of Penn-Medical Group, a 3,401-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Pennsylvania.

Years since qualifying
18
Licensed in
PA
In the registry since
2008
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

Student / training record This NPI belongs to someone enrolled in a health care training programme. It carries no licence and no practice of its own, so no address or phone number is published for it.

Philadelphia, PA

No coordinates on file. Search this address in Google Maps

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence MD444150 (PA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X · Licence MT193503 (PA)

Record details

NPI number1225291933
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 3, 2008
Last updated in NPPESNovember 17, 2022
Certification dateNovember 17, 2022

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Medical schoolOTHER
Graduated 2008 (18 years in practice)
Group practice University Of Penn-Medical Group — 3401 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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