Doctor profile · Federal record

Dr. Afrin Rahman, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Internal Medicine Physician · Internal Medicine Physician · Stanford, CA

  • NPI 1144516816
  • Accepts Medicare
  • MIPS 75.5 / 100 · 2023
  • 15 yrs in practice
  • Licensed in 2 states
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
300 Pasteur Dr
Stanford, CA 943052200
(650) 723-4000
Additional location
1 Barnes Jewish Hospital Plz
Saint Louis, MO 631101003
(660) 864-1832
Additional location
1804 Embarcadero RD Ste 100
Palo Alto, CA 943033318
(650) 724-3240

Credentials & registration

NPPES · NUCC
NPI registered
June 2011 — 15 yrs on file
Profile last updated
April 3, 2026
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State licenses (2)
California #A156534 · Missouri #2011018166

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144516816. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
721
Distinct HCPCS
10
Medicare allowed
$91,771
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 150 121 $163
99214 Established patient office or other outpatient visit, 30-39 minutes 90 79 $111
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 71 69 $93
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 45 45 $149
99204 New patient office or other outpatient visit, 45-59 minutes 44 44 $150
99205 New patient office or other outpatient visit, 60-74 minutes 40 40 $205
91035 Monitoring and recording of esophageal function through a capsule attached to the esophagus wall 38 38 $92
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 34 34 $107
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 32 18 $91
91010 Study of esophagus to assess movement 31 31 $74

In context: peer comparison

Among 18 peers in Stanford Gastroenterology Physician, average services per provider: 46. This provider delivers 16× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$270
Transactions
5
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Regeneron Healthcare Solutions, INC. 3 $125.22
Phathom Pharmaceuticals, INC. 1 $79.22
Genzyme Corporation 1 $65.99

By nature of payment

Food and Beverage
$270

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
821
Patients
224
Total drug cost
$129,189
Drug Type Claims Patients Total cost
Esomeprazole Magnesium Generic 251 62 $20,310
Omeprazole Generic 217 64 $2,964
Linzess (Linaclotide) Brand 88 26 $57,750
Famotidine Generic 48 14 $409
Dexlansoprazole Dr (Dexlansoprazole) Brand 45 0 $17,166
Lansoprazole Generic 39 0 $5,543
Motegrity (Prucalopride Succinate) Brand 33 11 $20,427
Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) Brand 26 26 $599
Pantoprazole Sodium Generic 24 0 $370
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 23 21 $547

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Afrin Rahman's medical specialty?
Dr. Afrin Rahman practices Gastroenterology Physician in Stanford, CA.
Where does Dr. Afrin Rahman practice?
Dr. Afrin Rahman practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 6507234000.
What is Dr. Afrin Rahman's NPI?
Dr. Afrin Rahman's National Provider Identifier (NPI) is 1144516816, issued by NPPES.
Does Dr. Afrin Rahman accept Medicare assignment?
Yes. Dr. Afrin Rahman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Afrin Rahman commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.