John C. Fan, MD
Cardiovascular Disease Physician · Anaheim, CA
John C. Fan, MD is a cardiovascular disease physician with a practice address in Anaheim, California, and NPI 1114129954, issued on Jun 4, 2007. Check the license (California A96808, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John C. Fan
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- A96808 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3430 E LA Palma Ave, Anaheim, CA 92806
- Phone
- (888) 988-2800
- Enumerated
- Jun 4, 2007
- Record last updated
- Dec 6, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20110118000230); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 2,574 in California → Look up another NPI →
Also registered at 3430 E LA Palma Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- James Delk, PHARM.DPharmacist1205374212
- Teresa GallegoClinical Social Worker1073063764
- Anna Galyean, MDMaternal & Fetal Medicine Physician1093814022
- Kamal Gill, PHARMDPharmacist1942784277
Verify John C. Fan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A96808Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
7% more Medicare Part D claims than the average cardiovascular disease physician in 2024
3,305 Medicare Part D claims for 616 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Atorvastatin Calcium386 claims
- Pradaxa307 claims
- Losartan Potassium271 claims
- Bisoprolol Fumarate264 claims
- Carvedilol188 claims
- Metoprolol Tartrate181 claims
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
- Southern California Permanente Medical GroupAnaheim, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John C. Fan among 2,574 cardiovascular disease physician records in California
John C. Fan, MD is one of 2,574 cardiovascular disease physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 55% of them.
- NPI issued2007 · 55% of these records are older, 33% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2005 · median 1999 among the 1,742 with a school on file
- Record last updated2021 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in California
There are 2,574 cardiovascular disease physician records in California.
All 2,574 in California → Every provider in Anaheim → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Prasanna Challa, M.D.Anaheim, CA 928061194970814
- David Cesario, MDAnaheim, CA 928071033147541
- Mark De Boer, MDAnaheim, CA 928071548331440
- Ravi Jandhyala, MDAnaheim, CA 928071457409328
- Noel Johanson, MDAnaheim, CA 928071528081775
- Henry Lo, MDAnaheim, CA 928071679644553
- Robert Park, MDAnaheim, CA 928071942371851
- Kerry Teplinsky, MDAnaheim, CA 928071427129485
Common questions
What is John C. Fan, MD's NPI number?
John C. Fan, MD's National Provider Identifier (NPI) is 1114129954, issued on Jun 4, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John C. Fan, MD located?
The NPPES record lists a practice address at 3430 E LA Palma Ave, Anaheim, CA, 92806. Phone: (888) 988-2800. Providers update this record themselves, so call before visiting.
How can I verify John C. Fan, MD's license?
NPPES lists California license number A96808, 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 John C. Fan, MD prescribe under Medicare Part D?
In 2024, John C. Fan, MD had 3,305 Medicare Part D claims for 616 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.