Doctor profile · Federal record

Dr. Rafat Rizk, MD

Gastroenterology Physician (CMS: Gastroenterology) · Internal Medicine Physician · Ann Arbor, MI

  • NPI 1598778813
  • Accepts Medicare
  • 40 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1500 East Medical Center Dr, 3Rd Floor Taubman Ctr Recp D
Ann Arbor, MI 481095362
(734) 647-5944
Mailing address
3621 S State St, 700 Kms Place
Ann Arbor, MI 48108

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
March 29, 2012
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Michigan #4301087418
Medicaid
MI #4919921

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1598778813. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$66
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
PFIZER INC. 1 $65.54

By nature of payment

Food and Beverage
$66

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
56
Patients
0
Total drug cost
$2,655
Drug Type Claims Patients Total cost
Dextrose In Lactated Ringers (Dextrose 5%-Lactated Ringers) Brand 43 0 $1,185
Calcitriol Generic 13 0 $1,470

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Rafat Rizk's medical specialty?
Dr. Rafat Rizk practices Gastroenterology Physician in Ann Arbor, MI.
Where does Dr. Rafat Rizk practice?
Dr. Rafat Rizk practices at 1500 East Medical Center Dr, Ann Arbor, MI 481095362. Office phone: 7346475944.
What is Dr. Rafat Rizk's NPI?
Dr. Rafat Rizk's National Provider Identifier (NPI) is 1598778813, issued by NPPES.
Does Dr. Rafat Rizk accept Medicare assignment?
Yes. Dr. Rafat Rizk accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.