Doctor profile · Federal record

Dr. Mohammed Ahmed, MD

Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Williamsville, NY

  • NPI 1639818321
  • Accepts Medicare
  • 12 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 5 locations .

NPPES Updated May 11, 2026
Primary practice
1540 Maple RD
Williamsville, NY 142213647
(716) 568-3600
Additional location
100 High St
Buffalo, NY 142031126
(716) 859-5600
Additional location
193 S Union RD
Williamsville, NY 142216531
(609) 585-1122
fax (609) 585-0309
Show 2 more locations
Additional location
200 7Th St
Buffalo, NY 142012161
(609) 585-1122
fax (609) 585-0309
Additional location
2799 Sheridan Dr
Tonawanda, NY 141509463
(609) 585-1122
fax (609) 585-0309
Mailing address
726 Exchange St Ste 710
Buffalo, NY 142101464

Credentials & registration

NPPES · NUCC
NPI registered
June 2022 — 4 yrs on file
Profile last updated
February 23, 2026
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
New York #338042 · Illinois #125080314

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639818321. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$103
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Bayer Healthcare Pharmaceuticals INC. 1 $102.81

By nature of payment

Food and Beverage
$103

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mohammed Ahmed's medical specialty?
Dr. Mohammed Ahmed practices Internal Medicine Physician in Williamsville, NY.
Where does Dr. Mohammed Ahmed practice?
Dr. Mohammed Ahmed practices at 1540 Maple RD, Williamsville, NY 142213647. Office phone: 7165683600.
What is Dr. Mohammed Ahmed's NPI?
Dr. Mohammed Ahmed's National Provider Identifier (NPI) is 1639818321, issued by NPPES.
Does Dr. Mohammed Ahmed accept Medicare assignment?
Yes. Dr. Mohammed Ahmed accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.