Aaron Paul Rapoport, M.D.
Hematology (Internal Medicine) Physician · Baltimore, MD
Aaron Paul Rapoport, M.D. is a hematology (internal medicine) physician with a practice address in Baltimore, Maryland, and NPI 1356309280, issued on May 2, 2006. Check the license (Maryland D52477, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Aaron Paul Rapoport
- Credential
- M.D.
- Primary taxonomy
- Hematology (Internal Medicine) Physician 207RH0000X
- License number
- D52477 MD
Self-reported in NPPES; status is on the state search - Practice location
- 22 S Greene St, Baltimore, MD 21201
- Phone
- (410) 328-1230
- Enumerated
- May 2, 2006
- Record last updated
- Mar 8, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (410) 328-1975
- Medicaid IDs
- 317600200 MD
026612800 DC
1000015029 DE - Medicare enrollment
- Enrolled (PECOS I20101201000108); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 1986
- Entity
- Type 1 · individual
8 nearest hematology (internal medicine) physician records → All 33 in Maryland → Look up another NPI →
Also registered at 22 S Greene St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bizhan Aarabi, MDNeurological Surgery Physician1174578876
- Elsadig Abdalla, MDStudent in an Organized Health Care Education/Training Program1073364477
- Ehssan AbdolalizadehStudent in an Organized Health Care Education/Training Program1093653271
- Mohammad Abdulelah, MDStudent in an Organized Health Care Education/Training Program1114650108
- Leenah AbdulgaderStudent in an Organized Health Care Education/Training Program1386323301
- Ifedayo Abiola-Matthew, CRNPAcute Care Nurse Practitioner1033781117
Verify Aaron Paul Rapoport in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D52477Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% more Medicare Part D claims than the average hematology (internal medicine) physician in 2024
565 Medicare Part D claims for 76 beneficiaries, against an average of 496 among the 1,036 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 22 claims were for opioids.
Most prescribed
- Valacyclovir81 claims
- Acyclovir80 claims
- Sulfamethoxazole-Trimethoprim67 claims
- Imbruvica32 claims
- Atovaquone19 claims
- Pantoprazole Sodium16 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $53.96
2 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 721 providers of this specialty with any payment received $13,778.35 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- University OF Maryland Oncology Associates PABaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Aaron Paul Rapoport among 33 hematology (internal medicine) physician records in Maryland
Aaron Paul Rapoport, M.D. is one of 33 hematology (internal medicine) physician records with a practice address in Maryland. 42% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 76% newer
- In a Medicare fileYes · 42% of these records are
- In the CMS Doctors and Clinicians fileYes · 30% of these records are
- Graduated1986 · median 2014 among the 10 with a school on file
- Record last updated2011 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology (Internal Medicine) Physician providers in Maryland
There are 33 hematology (internal medicine) physician records in Maryland.
All 33 in Maryland → Every provider in Baltimore → Hematology (Internal Medicine) Physician nationwide →
The 8 hematology (internal medicine) physician records with the nearest ZIP codes
- Djordje Atanackovic, M.D.Baltimore, MD 212011417384694
- Max Brodsky, MDBaltimore, MD 212091285292227
- John Nesbitt, M.D.Baltimore, MD 212091285742809
- Devika AgrawalBaltimore, MD 212241699405910
- Gloria Gerber, M.D.Baltimore, MD 212241023462462
- Robert Brodsky, M.D.Baltimore, MD 212871194783712
- Michael Cole, PHDBaltimore, MD 212871114383452
- Alison Moliterno, M.D.Baltimore, MD 212871487604591
Common questions
What is Aaron Paul Rapoport, M.D.'s NPI number?
Aaron Paul Rapoport, M.D.'s National Provider Identifier (NPI) is 1356309280, issued on May 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Aaron Paul Rapoport, M.D. located?
The NPPES record lists a practice address at 22 S Greene St, Baltimore, MD, 21201. Phone: (410) 328-1230. Providers update this record themselves, so call before visiting.
How can I verify Aaron Paul Rapoport, M.D.'s license?
NPPES lists Maryland license number D52477, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Aaron Paul Rapoport, M.D. prescribe under Medicare Part D?
In 2024, Aaron Paul Rapoport, M.D. had 565 Medicare Part D claims for 76 beneficiaries; the average among hematology (internal medicine) physician prescribers was 496. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.