Bill Chan, MD
Emergency Medicine Physician · San Diego, CA
Bill Chan, MD is an emergency medicine physician with a practice address in San Diego, California, and NPI 1255073706, issued on Apr 13, 2022. Check the license (California 10045, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Bill Chan
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 10045 CA
Self-reported in NPPES; status is on the state search - Practice location
- 200 W Arbor Dr # MC8676, San Diego, CA 92103
- Phone
- (619) 543-6213
- Enumerated
- Apr 13, 2022
- Entity
- Type 1 · individual
Also registered at 200 W Arbor Dr # MC8676
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nicholas Aldridge, M.D., M.P.H.Emergency Medicine Physician1700293214
- Sarah AlzaabiStudent in an Organized Health Care Education/Training Program1245081116
- Kaighley Brett, MDFamily Medicine Physician1841711090
- Juan Day, MDStudent in an Organized Health Care Education/Training Program1699577114
- Anna DekayEmergency Medicine Physician1164041539
- Jake Del Rosso, MDGeneral Practice Physician1225597271
Verify Bill Chan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 10045Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
56% fewer Medicare Part D claims than the average emergency medicine physician in 2024
100 Medicare Part D claims for 78 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.
Emergency Medicine Physician providers in California
There are 7,751 emergency medicine physician records in California.
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 Bill Chan, MD's NPI number?
Bill Chan, MD's National Provider Identifier (NPI) is 1255073706, issued on Apr 13, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Bill Chan, MD located?
The NPPES record lists a practice address at 200 W Arbor Dr # MC8676, San Diego, CA, 92103. Phone: (619) 543-6213. Providers update this record themselves, so call before visiting.
How can I verify Bill Chan, MD's license?
NPPES lists California license number 10045, 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 Bill Chan, MD prescribe under Medicare Part D?
In 2024, Bill Chan, MD had 100 Medicare Part D claims for 78 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), loaded Aug 27, 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) 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 27, 2026.