Doctor profile · Federal record

Dr. Robert Tamai

Gastroenterology Physician (CMS: Gastroenterology) · West Hills, CA

  • NPI 1538525001
  • Accepts Medicare
  • 8 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
7345 Medical Center Dr Ste 420
West Hills, CA 913071964
(818) 340-8252
Mailing address
5767 W Century Blvd Ste 400
Los Angeles, CA 900455631

Credentials & registration

NPPES · NUCC
NPI registered
January 2016 — 10 yrs on file
Profile last updated
August 29, 2025
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
California #A164258

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1538525001. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$39
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Conmed Corporation 1 $38.72

By nature of payment

Food and Beverage
$39

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Robert Tamai's medical specialty?
Dr. Robert Tamai practices Gastroenterology Physician in West Hills, CA.
Where does Dr. Robert Tamai practice?
Dr. Robert Tamai practices at 7345 Medical Center Dr Ste 420, West Hills, CA 913071964. Office phone: 8183408252.
What is Dr. Robert Tamai's NPI?
Dr. Robert Tamai's National Provider Identifier (NPI) is 1538525001, issued by NPPES.
Does Dr. Robert Tamai accept Medicare assignment?
Yes. Dr. Robert Tamai accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.