Doctor profile · Federal record

Dr. Aaron Rapoport, M.D.

Hematology (Internal Medicine) Physician (CMS: Hematology) · Baltimore, MD

  • NPI 1356309280
  • Accepts Medicare
  • 40 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
22 S Greene St
Baltimore, MD 212011544
(410) 328-1230
fax (410) 328-1975
Mailing address
Po Box 62602
Baltimore, MD 212642602

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
March 8, 2011
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
207RH0000X — NUCC code
State license (1)
Maryland #D52477
Medicaid (3)
MD #317600200 · DC #026612800 · DE #1000015029

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1356309280. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
762
Distinct HCPCS
8
Medicare allowed
$93,146
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 260 51 $126
99214 Established patient office or other outpatient visit, 30-39 minutes 237 111 $103
99215 Established patient office or other outpatient visit, 40-54 minutes 141 55 $152
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 46 21 $84
99213 Established patient office or other outpatient visit, 20-29 minutes 23 21 $70
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 23 22 $184
99205 New patient office or other outpatient visit, 60-74 minutes 19 19 $192
99238 Hospital discharge day management, 30 minutes or less 13 13 $86

In context: peer comparison

Among 5 peers in this city , average services per provider: 74. This provider delivers 10× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$54
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 1 $32.49
Janssen Biotech, Inc. 1 $21.47

By nature of payment

Food and Beverage
$54

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
415
Patients
100
Total drug cost
$433,993
Drug Type Claims Patients Total cost
Acyclovir Generic 84 20 $1,101
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 76 25 $655
Valacyclovir (Valacyclovir Hcl) Brand 57 13 $3,313
Imbruvica (Ibrutinib) Brand 32 0 $418,582
Ondansetron Hcl Generic 22 15 $401
Metoprolol Tartrate Generic 20 0 $109
Prochlorperazine Maleate Generic 18 15 $430
Gabapentin Generic 16 0 $225
Atovaquone Generic 14 0 $7,619
Pantoprazole Sodium Generic 14 0 $263

Frequently asked questions

Auto-generated from federal data
What is Dr. Aaron Rapoport's medical specialty?
Dr. Aaron Rapoport practices Hematology (Internal Medicine) Physician in Baltimore, MD.
Where does Dr. Aaron Rapoport practice?
Dr. Aaron Rapoport practices at 22 S Greene St, Baltimore, MD 212011544. Office phone: 4103281230.
What is Dr. Aaron Rapoport's NPI?
Dr. Aaron Rapoport's National Provider Identifier (NPI) is 1356309280, issued by NPPES.
Does Dr. Aaron Rapoport accept Medicare assignment?
Yes. Dr. Aaron Rapoport accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Aaron Rapoport commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.