Doctor profile · Federal record

Dr. Raza Hasan, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Annapolis, MD

  • NPI 1639519887
  • Accepts Medicare
  • 12 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
820 Bestgate RD Ste 2A
Annapolis, MD 214013404
(410) 224-2116
fax (410) 224-2118
Mailing address
820 Bestgate RD
Annapolis, MD 214013404

Credentials & registration

NPPES · NUCC
NPI registered
July 2013 — 13 yrs on file
Profile last updated
June 16, 2020
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Maryland #D0089228

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639519887. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
968
Distinct HCPCS
10
Medicare allowed
$142,436
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 293 186 $131
99204 New patient office or other outpatient visit, 45-59 minutes 148 148 $173
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 128 121 $91
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 128 128 $261
99213 Established patient office or other outpatient visit, 20-29 minutes 68 66 $90
45380 Biopsy of large bowel using a flexible endoscope 66 66 $103
99203 New patient office or other outpatient visit, 30-44 minutes 37 37 $117
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 28 28 $175
45378 Diagnostic exam of large bowel using a flexible endoscope 20 18 $161
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk 19 19 $187

In context: peer comparison

Among 8 peers in Annapolis Gastroenterology Physician, average services per provider: 113. This provider delivers 8.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,444
Transactions
65
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 19 $331.99
Janssen Biotech, INC. 9 $205.03
Qol Medical, LLC 7 $159.21
Takeda Pharmaceuticals U.S.A., INC. 6 $117.70
Medtronic, INC. 1 $90.92
Pfizer INC. 4 $90.21
Intercept Pharmaceuticals, INC. 4 $86.50
Ipsen Biopharmaceuticals, INC 4 $75.52
Madrigal Pharmaceuticals 3 $70.55
Celgene Corporation 3 $62.42
Daiichi Sankyo INC. 1 $29.79
Ferring Pharmaceuticals INC. 1 $23.31
Melinta Therapeutics, LLC 1 $22.88
Genzyme Corporation 1 $21.31
Gilead Sciences, INC. 1 $20.76

By nature of payment

Food and Beverage
$1,444

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
483
Patients
167
Total drug cost
$52,129
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 151 61 $2,568
Famotidine Generic 116 54 $2,500
Omeprazole Generic 56 26 $920
Linzess (Linaclotide) Brand 31 13 $32,296
Dicyclomine Hcl Generic 29 13 $213
Dexlansoprazole Dr (Dexlansoprazole) Brand 20 0 $10,974
Ondansetron Hcl Generic 15 0 $361
Diphenoxylate-Atropine (Diphenoxylate Hcl/Atropine) Brand 14 0 $513
Esomeprazole Magnesium Generic 14 0 $1,349
Furosemide Generic 14 0 $50

Frequently asked questions

Auto-generated from federal data
What is Dr. Raza Hasan's medical specialty?
Dr. Raza Hasan practices Gastroenterology Physician in Annapolis, MD.
Where does Dr. Raza Hasan practice?
Dr. Raza Hasan practices at 820 Bestgate RD Ste 2A, Annapolis, MD 214013404. Office phone: 4102242116.
What is Dr. Raza Hasan's NPI?
Dr. Raza Hasan's National Provider Identifier (NPI) is 1639519887, issued by NPPES.
Does Dr. Raza Hasan accept Medicare assignment?
Yes. Dr. Raza Hasan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Raza Hasan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.