Doctor profile · Federal record

Dr. Andrew Ang, M.D.

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

  • NPI 1821151580
  • Accepts Medicare
  • 57 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
18 E Union St
Hamburg, NY 140755007
(716) 648-6040
fax (716) 648-6040

Credentials & registration

NPPES · NUCC
NPI registered
December 2006 — 20 yrs on file
Profile last updated
August 19, 2010
Year of graduation
1969 — 57 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
New York #117287

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821151580. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$295
Transactions
4
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Gilead Sciences, Inc. 2 $249.98
Lilly USA, LLC 1 $29.58
Orexo US, Inc. 1 $15.62

By nature of payment

Food and Beverage
$295

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
143
Patients
0
Total drug cost
$29,614
Drug Type Claims Patients Total cost
Buprenorphine-Naloxone (Buprenorphine Hcl/Naloxone Hcl) Brand 55 0 $12,474
Acetaminophen-Codeine (Acetaminophen With Codeine) Brand 24 0 $1,558
Suboxone (Buprenorphine Hcl/Naloxone Hcl) Brand 24 0 $14,267
Buprenorphine Hcl Generic 15 0 $952
Amoxicillin Generic 14 0 $93
Enalapril Maleate Generic 11 0 $270

Frequently asked questions

Auto-generated from federal data
What is Dr. Andrew Ang's medical specialty?
Dr. Andrew Ang practices Internal Medicine Physician in Hamburg, NY.
Where does Dr. Andrew Ang practice?
Dr. Andrew Ang practices at 18 E Union St, Hamburg, NY 140755007. Office phone: 7166486040.
What is Dr. Andrew Ang's NPI?
Dr. Andrew Ang's National Provider Identifier (NPI) is 1821151580, issued by NPPES.
Does Dr. Andrew Ang accept Medicare assignment?
Yes. Dr. Andrew Ang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.