John R. Jacomo, MD
Family Medicine Physician · Fountain Valley, CA
John R. Jacomo, MD is a family medicine physician with a practice address in Fountain Valley, California, and NPI 1083757827, issued on Feb 14, 2007. Check the license (California G51493, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John R. Jacomo
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- G51493 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9930 Talbert Ave, Fountain Valley, CA 92708
- Phone
- (714) 964-6229
- Enumerated
- Feb 14, 2007
- Record last updated
- Sep 8, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (714) 378-6233
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 9930 Talbert Ave
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- Saul Macias, PA-CPhysician Assistant1730461856
- Robereta Prepas, CNMMidwife1013019934
Verify John R. Jacomo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G51493Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John R. Jacomo among 17,133 family medicine physician records in California
John R. Jacomo, MD is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 47% newer
- In a Medicare fileNo · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2008 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
51 family medicine physician records list a practice address in Fountain Valley
They are 51 of the 2,190 NPPES records with a practice address in Fountain Valley, and 17,133 family medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 17,133 in California → Every provider in Fountain Valley → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Arfa Babaknia, M.D.Fountain Valley, CA 927081205826849
- Hung-Chuan Cheng, M.D.Fountain Valley, CA 927081053389023
- Brian Coyne, M.D.Fountain Valley, CA 927081457306334
- Nasrin Damoui, MDFountain Valley, CA 927081841295326
- Robert Devereaux, MDFountain Valley, CA 927081043264781
- David Dunckel, MDFountain Valley, CA 927081518957794
- Edgar Fernandez, DOFountain Valley, CA 927081033157235
- Jo Lieberman Pan, MDFountain Valley, CA 927081598756090
Common questions
What is John R. Jacomo, MD's NPI number?
John R. Jacomo, MD's National Provider Identifier (NPI) is 1083757827, issued on Feb 14, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John R. Jacomo, MD located?
The NPPES record lists a practice address at 9930 Talbert Ave, Fountain Valley, CA, 92708. Phone: (714) 964-6229. Providers update this record themselves, so call before visiting.
How can I verify John R. Jacomo, MD's license?
NPPES lists California license number G51493, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.