Ralph Fong, M.D.
Family Medicine Physician · San Ramon, CA
Ralph Fong, M.D. is a family medicine physician with a practice address in San Ramon, California, and NPI 1447290994, issued on Jun 6, 2006. Check the license (California G73942, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ralph Fong
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- G73942 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2305 Camino Ramon, San Ramon, CA 94583
- Phone
- (925) 837-1886
- Enumerated
- Jun 6, 2006
- Record last updated
- Jun 21, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (925) 837-3913
- Medicaid ID
- 00G739420 CA
- Medicare enrollment
- Enrolled (PECOS I20090313000281); accepts Medicare assignment
- Medical or professional school
- University Of California, San Francisco School Of Medicine, 1990
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 2305 Camino Ramon
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Inocencio Candelaria, M.D.Family Medicine Physician1174791677
- Jay Delaney, O.D.Optometrist1720086135
- Luisa DuranEndocrinology, Diabetes & Metabolism Physician1548437940
- William Hamstra, D.O.Surgery Physician1306835723
- Ethan Hollander, M.D.Family Medicine Physician1528003597
- Mahmood Kazemi, M.D.Endocrinology, Diabetes & Metabolism Physician1104892264
Verify Ralph Fong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G73942Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4% fewer Medicare Part D claims than the average family medicine physician in 2024
3,416 Medicare Part D claims for 353 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 84 claims were for opioids.
Most prescribed
- Atorvastatin Calcium403 claims
- Rosuvastatin Calcium208 claims
- Levothyroxine Sodium199 claims
- Amlodipine Besylate123 claims
- Losartan Potassium122 claims
- Metformin Hcl109 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.
Industry payments in 2024: $250.33
10 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- John Muir Physician NetworkSan Ramon, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
34 family medicine physician records list a practice address in San Ramon
They are 34 of the 2,281 NPPES records with a practice address in San Ramon, and 17,133 family medicine physician records in California.
All 34 in San Ramon → All 17,133 in California → Every provider in San Ramon →
Other family medicine physician records in California
- Omer Aba-Omer, MDSanta Monica, CA1649702093
- Michelle Ababa, MDWilmington, CA1710922513
- Anna Tzeitel Abalos, MDRoseville, CA1720200017
- Adan Abarca, MDAnaheim, CA1760553689
- Vanessa Abarca, DOVentura, CA1952040859
- Lorraine Abate, M.D.Sacramento, CA1104840008
- Robert Abatecola, MDCastro Valley, CA1669551719
- Romeo Abaya, M.D.Cottonwood, CA1598053506
- Effiem Abbah, MD, MPHSan Francisco, CA1821185133
- Khuzeman Abbasi, MDSanta Rosa, CA1841979952
Common questions
What is Ralph Fong, M.D.'s NPI number?
Ralph Fong, M.D.'s National Provider Identifier (NPI) is 1447290994, issued on Jun 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ralph Fong, M.D. located?
The NPPES record lists a practice address at 2305 Camino Ramon, San Ramon, CA, 94583. Phone: (925) 837-1886. Providers update this record themselves, so call before visiting.
How can I verify Ralph Fong, M.D.'s license?
NPPES lists California license number G73942, 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 Ralph Fong, M.D. prescribe under Medicare Part D?
In 2024, Ralph Fong, M.D. had 3,416 Medicare Part D claims for 353 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.