Alvin David Wong, M.D.
Internal Medicine Physician · San Francisco, CA
Alvin David Wong, M.D. is an internal medicine physician with a practice address in San Francisco, California, and NPI 1568443307, issued on Nov 9, 2005. Check the license (California G60945, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Alvin David Wong
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G60945 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3838 California St, San Francisco, CA 94118
- Phone
- (415) 387-1534
- Enumerated
- Nov 9, 2005
- Record last updated
- Jul 7, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (415) 387-8750
- Medicaid ID
- 00G609450 CA
- Medicare enrollment
- Enrolled (PECOS I20101020000266); accepts Medicare assignment
- Medical or professional school
- Chicago College Of Medicine And Surgery, 1986
- Entity
- Type 1 · individual
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Also registered at 3838 California St
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Verify Alvin David Wong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G60945Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% more Medicare Part D claims than the average internal medicine physician in 2024
5,215 Medicare Part D claims for 497 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 137 claims were for opioids.
Most prescribed
- Atorvastatin Calcium495 claims
- Losartan Potassium284 claims
- Amlodipine Besylate247 claims
- Metformin Hcl190 claims
- Levothyroxine Sodium151 claims
- Losartan-Hydrochlorothiazide147 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: $84.42
4 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk 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.
Alvin David Wong among 17,696 internal medicine physician records in California
Alvin David Wong, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 95% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1986 · median 2004 among the 11,065 with a school on file
- Record last updated2010 · 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).
1,318 internal medicine physician records list a practice address in San Francisco
They are 1,318 of the 38,143 NPPES records with a practice address in San Francisco, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in San Francisco → Internal Medicine Physician nationwide →
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- Catherine Collins, M.D.San Francisco, CA 941181346265790
- Robert Dobrow, MDSan Francisco, CA 941181356336051
- Joyce Hansen, M.D.San Francisco, CA 941181639190085
- Karen Khoo, MDSan Francisco, CA 941181629031430
- Eric Kwok, M.D.San Francisco, CA 941181447231618
Common questions
What is Alvin David Wong, M.D.'s NPI number?
Alvin David Wong, M.D.'s National Provider Identifier (NPI) is 1568443307, issued on Nov 9, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Alvin David Wong, M.D. located?
The NPPES record lists a practice address at 3838 California St, San Francisco, CA, 94118. Phone: (415) 387-1534. Providers update this record themselves, so call before visiting.
How can I verify Alvin David Wong, M.D.'s license?
NPPES lists California license number G60945, 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 Alvin David Wong, M.D. prescribe under Medicare Part D?
In 2024, Alvin David Wong, M.D. had 5,215 Medicare Part D claims for 497 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.