Theodore C. Chan, MD
Emergency Medicine Physician · La Jolla, CA
Theodore C. Chan, MD is an emergency medicine physician with a practice address in La Jolla, California, and NPI 1477596856, issued on Jun 14, 2006. Check the license (California G78148, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Theodore C. Chan
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- G78148 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9300 Campus Point Drive, La Jolla, CA 92037
- Phone
- (858) 657-7000
- Enumerated
- Jun 14, 2006
- Record last updated
- May 8, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicaid ID
- 00G781480 CA
- Medicare enrollment
- Enrolled (PECOS I20100316000284); accepts Medicare assignment
- Medical or professional school
- University Of California, San Francisco School Of Medicine, 1992
- Entity
- Type 1 · individual
Also registered at 9300 Campus Point Drive
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christine Choi, M.D.Anesthesiology Physician1558603654
- Richard Clark, MDEmergency Medicine Physician1477596773
- Nicholas Coley, MD/PHDAnatomic Pathology & Clinical Pathology Physician1619396348
- Linda Dean, PHARMDPharmacist1346880937
- Ian Grover, MDEmergency Medicine Physician1073556304
- Kama Guluma, M.D.Emergency Medicine Physician1871526640
Verify Theodore C. Chan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G78148Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average emergency medicine physician in 2024
51 Medicare Part D claims for 36 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Regents OF The University OF CaliforniaSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
61 emergency medicine physician records list a practice address in La Jolla
They are 61 of the 3,648 NPPES records with a practice address in La Jolla, and 7,751 emergency medicine physician records in California.
All 61 in La Jolla → All 7,751 in California → Every provider in La Jolla →
Other emergency medicine physician records in California
- Cooper Aakhus, MDStanford, CA1194351007
- Pyra Aarden, MDMartinez, CA1417058199
- Neal Aaron, D.O.Encinitas, CA1114283520
- Eric AaserudeWalnut Creek, CA1811491194
- Nader Abas, MDBarstow, CA1346288305
- Michael Abbo, MDNovato, CA1205819042
- Daniel Abbott, MDFullerton, CA1518907864
- Paul-Andre Abboud, M.D.Oakland, CA1710065503
- Mostafa Abdel-Hamid, MDStanford, CA1457918740
- Ashraf Abdel-KerimChino, CA1396961538
Common questions
What is Theodore C. Chan, MD's NPI number?
Theodore C. Chan, MD's National Provider Identifier (NPI) is 1477596856, issued on Jun 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Theodore C. Chan, MD located?
The NPPES record lists a practice address at 9300 Campus Point Drive, La Jolla, CA, 92037. Phone: (858) 657-7000. Providers update this record themselves, so call before visiting.
How can I verify Theodore C. Chan, MD's license?
NPPES lists California license number G78148, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Theodore C. Chan, MD prescribe under Medicare Part D?
In 2024, Theodore C. Chan, MD had 51 Medicare Part D claims for 36 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.