Doctor profile · Federal record

Dr. Karan Mathur, M.D.

Gastroenterology Physician (CMS: Internal Medicine) · Detroit, MI

  • NPI 1205277811
  • Accepts Medicare
  • 16 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
4160 John R St Ste 615
Detroit, MI 482012022
(313) 745-4195
fax (313) 993-8669
Additional location
4201 Saint Antoine St, Uhc 2E
Detroit, MI 482012153
(313) 745-4525
Mailing address
400 Mack Ave
Detroit, MI 482012136

Credentials & registration

NPPES · NUCC
NPI registered
July 2013 — 13 yrs on file
Profile last updated
January 9, 2026
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Michigan #4301501018

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1205277811. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$227
Transactions
12
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Gilead Sciences, Inc. 7 $124.63
ABBVIE INC. 5 $101.98

By nature of payment

Food and Beverage
$227

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
200
Patients
65
Total drug cost
$31,789
Drug Type Claims Patients Total cost
Omeprazole Generic 70 24 $1,020
Pantoprazole Sodium Generic 35 13 $412
Linzess (Linaclotide) Brand 30 0 $16,743
Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 28 28 $472
Famotidine Generic 13 0 $132
Gavilyte-C (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 13 0 $260
Creon (Lipase/Protease/Amylase) Brand 11 0 $12,751

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Karan Mathur's medical specialty?
Dr. Karan Mathur practices Gastroenterology Physician in Detroit, MI.
Where does Dr. Karan Mathur practice?
Dr. Karan Mathur practices at 4160 John R St Ste 615, Detroit, MI 482012022. Office phone: 3137454195.
What is Dr. Karan Mathur's NPI?
Dr. Karan Mathur's National Provider Identifier (NPI) is 1205277811, issued by NPPES.
Does Dr. Karan Mathur accept Medicare assignment?
Yes. Dr. Karan Mathur accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.