Mei-Ling Elizabeth Fong, M.D.
Internal Medicine Physician · Greenbrae, CA
Mei-Ling Elizabeth Fong, M.D. is an internal medicine physician with a practice address in Greenbrae, California, and NPI 1346228707, issued on Jan 5, 2006. Check the license (California A63227, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mei-Ling Elizabeth Fong
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A63227 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1000 S Eliseo Dr, Greenbrae, CA 94904
- Phone
- (415) 752-7141
- Enumerated
- Jan 5, 2006
- Record last updated
- Nov 3, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (415) 689-7626
- Medicare enrollment
- Enrolled (PECOS I20041230000208); accepts Medicare assignment
- Medical or professional school
- University Of Oklahoma College Of Medicine, 1994
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 1000 S Eliseo Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mei-Ling Elizabeth Fong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A63227Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
17% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,627 Medicare Part D claims for 156 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 128 claims were for opioids.
Most prescribed
- Atorvastatin Calcium157 claims
- Levothyroxine Sodium103 claims
- Zolpidem Tartrate93 claims
- Amlodipine Besylate88 claims
- Rosuvastatin Calcium71 claims
- Losartan Potassium68 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: $25.16
1 payment: food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Mei-Ling Elizabeth Fong among 17,696 internal medicine physician records in California
Mei-Ling Elizabeth Fong, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1994 · median 2004 among the 11,065 with a school on file
- Record last updated2019 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
25 internal medicine physician records list a practice address in Greenbrae
They are 25 of the 727 NPPES records with a practice address in Greenbrae, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Greenbrae → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Fariba Amiri, M.D.Greenbrae, CA 949041851340194
- David Berman, M.D.Greenbrae, CA 949041548245921
- Thato Brumwell, M.D.Greenbrae, CA 949041750311494
- Aida Calvillo, MDGreenbrae, CA 949041225031727
- Catharine Clark-Sayles, M.D.Greenbrae, CA 949041518952860
- Susan Cumming, M.D.Greenbrae, CA 949041548285075
- Anne Cummings, M.D.Greenbrae, CA 949041619917028
- Kerry Davidson, M.D.Greenbrae, CA 949041063430106
Common questions
What is Mei-Ling Elizabeth Fong, M.D.'s NPI number?
Mei-Ling Elizabeth Fong, M.D.'s National Provider Identifier (NPI) is 1346228707, issued on Jan 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mei-Ling Elizabeth Fong, M.D. located?
The NPPES record lists a practice address at 1000 S Eliseo Dr, Greenbrae, CA, 94904. Phone: (415) 752-7141. Providers update this record themselves, so call before visiting.
How can I verify Mei-Ling Elizabeth Fong, M.D.'s license?
NPPES lists California license number A63227, 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 Mei-Ling Elizabeth Fong, M.D. prescribe under Medicare Part D?
In 2024, Mei-Ling Elizabeth Fong, M.D. had 2,627 Medicare Part D claims for 156 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.