Doctor profile · Federal record

Dr. Jeff Chan, M.D

Emergency Medicine Physician (CMS: Emergency Medicine) · San Jose, CA

  • NPI 1184679433
  • Accepts Medicare
  • 25 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
225 N Jackson Ave
San Jose, CA 951161603
(408) 923-7121
Mailing address
2100 Powell St, Ste 920
Emeryville, CA 946081826

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
December 15, 2021
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
California #A81936

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1184679433. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
23
Distinct HCPCS
1
Medicare allowed
$3,015
HCPCS Description Services Patients Avg allowed
99284 Emergency department visit with moderate level of medical decision making 23 22 $131

In context: peer comparison

Among 31 peers in San Jose Emergency Medicine Physician, average services per provider: 115. This provider delivers 0.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$24
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 1 $23.68

By nature of payment

Food and Beverage
$24

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
38
Patients
38
Total drug cost
$333
Drug Type Claims Patients Total cost
Cephalexin Generic 14 14 $174
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 13 13 $82
Ibuprofen Generic 11 11 $76

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Jeff Chan's medical specialty?
Dr. Jeff Chan practices Emergency Medicine Physician in San Jose, CA.
Where does Dr. Jeff Chan practice?
Dr. Jeff Chan practices at 225 N Jackson Ave, San Jose, CA 951161603. Office phone: 4089237121.
What is Dr. Jeff Chan's NPI?
Dr. Jeff Chan's National Provider Identifier (NPI) is 1184679433, issued by NPPES.
Does Dr. Jeff Chan accept Medicare assignment?
Yes. Dr. Jeff Chan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jeff Chan commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.