Doctor profile · Federal record

Dr. William Tan

Anesthesiology Physician (CMS: Anesthesiology) · West Hollywood, CA

  • NPI 1609379387
  • Accepts Medicare
  • 10 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
8700 Beverly Blvd Ste 4209
West Hollywood, CA 900481804
(310) 423-3277

Credentials & registration

NPPES · NUCC
NPI registered
March 2018 — 8 yrs on file
Profile last updated
January 6, 2020
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
California #153997

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1609379387. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
28
Distinct HCPCS
2
Medicare allowed
$4,599
HCPCS Description Services Patients Avg allowed
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 16 15 $159
00813 Anesthesia for procedure on small and large bowel using an endoscope 12 12 $171

In context: peer comparison

Among 72 peers in this city , average services per provider: 30. This provider delivers 0.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$35
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Merck Sharp & Dohme LLC 1 $34.73

By nature of payment

Food and Beverage
$35

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Tan's medical specialty?
Dr. William Tan practices Anesthesiology Physician in West Hollywood, CA.
Where does Dr. William Tan practice?
Dr. William Tan practices at 8700 Beverly Blvd Ste 4209, West Hollywood, CA 900481804. Office phone: 3104233277.
What is Dr. William Tan's NPI?
Dr. William Tan's National Provider Identifier (NPI) is 1609379387, issued by NPPES.
Does Dr. William Tan accept Medicare assignment?
Yes. Dr. William Tan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Tan commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); Anesthesia for procedure on small and large bowel using an endoscope (HCPCS 00813). Source: CMS Medicare Physician & Other Practitioners file.