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

Dr. Aaron Paul Rapoport, MD

Individual provider Hematology (Internal Medicine) Physician · NPI 1356309280

Dr. Aaron Paul Rapoport, MD is a Hematology in Baltimore, Maryland. Graduated from Harvard Medical School in 1986, 40 years ago. Practices with University of Maryland Oncology Associates PA, a 63-clinician group and accepts Medicare assignment. Licensed in Maryland.

Years since qualifying
40
Trained at
Harvard Medical School
Licensed in
MD
In the registry since
2006
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

22 S Greene St
Baltimore, MD 21201-1544
Phone: (410) 328-1230
Fax: (410) 328-1975
Show map & directions

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

Specialties & licences

Hematology (Internal Medicine) Physician (primary) Taxonomy 207RH0000X · Licence D52477 (MD)

Record details

NPI number1356309280
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 2, 2006
Last updated in NPPESMarch 8, 2011

Medicare enrollment

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

Medicare specialtyHEMATOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolHARVARD MEDICAL SCHOOL
Graduated 1986 (40 years in practice)
Group practice University Of Maryland Oncology Associates Pa — 63 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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