Doctor profile · Federal record

Dr. Serhat Aytug, M.D.

Endocrinology, Diabetes & Metabolism Physician · Endocrinology, Diabetes & Metabolism Physician · Fullerton, CA

  • NPI 1194707471
  • 21 yrs on file
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
100 E Valencia Mesa Dr, Suite 105
Fullerton, CA 928353813
(714) 446-5640
fax (714) 446-5625
Mailing address
100 E Valencia Mesa Dr Ste 105
Fullerton, CA 928353816

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
October 19, 2020
Specialty taxonomy
207RE0101X — NUCC code
State licenses (2)
California #C55444 · New York #235870
Medicaid
NY #02698891

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1194707471. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$155
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Recordati_Rare_Diseases_INC. 1 $155.13

By nature of payment

Food and Beverage
$155

Frequently asked questions

Auto-generated from federal data
What is Dr. Serhat Aytug's medical specialty?
Dr. Serhat Aytug practices Endocrinology, Diabetes & Metabolism Physician in Fullerton, CA.
Where does Dr. Serhat Aytug practice?
Dr. Serhat Aytug practices at 100 E Valencia Mesa Dr, Fullerton, CA 928353813. Office phone: 7144465640.
What is Dr. Serhat Aytug's NPI?
Dr. Serhat Aytug's National Provider Identifier (NPI) is 1194707471, issued by NPPES.