Doctor profile · Federal record

Dr. Theodore Chan, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · La Jolla, CA

  • NPI 1477596856
  • Accepts Medicare
  • 34 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
9300 Campus Point Drive
La Jolla, CA 92037
(858) 657-7000
Mailing address
File No 54826
Los Angeles, CA 900744826

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
May 8, 2008
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
California #G78148
Medicaid
CA #00G781480

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1477596856. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
131
Distinct HCPCS
5
Medicare allowed
$13,707
HCPCS Description Services Patients Avg allowed
99284 Emergency department visit with moderate level of medical decision making 36 36 $122
99285 Emergency department visit with high level of medical decision making 31 31 $177
99213 Established patient office or other outpatient visit, 20-29 minutes 30 30 $97
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 19 19 $8
87635 Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen 15 15 $50

In context: peer comparison

Among 11 peers in La Jolla Emergency Medicine Physician, average services per provider: 94. This provider delivers 1.4× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Theodore Chan's medical specialty?
Dr. Theodore Chan practices Emergency Medicine Physician in La Jolla, CA.
Where does Dr. Theodore Chan practice?
Dr. Theodore Chan practices at 9300 Campus Point Drive, La Jolla, CA 92037. Office phone: 8586577000.
What is Dr. Theodore Chan's NPI?
Dr. Theodore Chan's National Provider Identifier (NPI) is 1477596856, issued by NPPES.
Does Dr. Theodore Chan accept Medicare assignment?
Yes. Dr. Theodore Chan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Theodore Chan commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with high level of medical decision making (HCPCS 99285); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.