Stewart Wong, MD
Internal Medicine Physician · San Francisco, CA
Stewart Wong, MD is an internal medicine physician with a practice address in San Francisco, California, and NPI 1235334228, issued on Jun 19, 2007. Check the license (California A98757, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Stewart Wong
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A98757 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2425 Geary Blvd, San Francisco, CA 94115
- Phone
- (415) 833-3034
- Enumerated
- Jun 19, 2007
- Entity
- Type 1 · individual
Also registered at 2425 Geary Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jorge Abaunza, PHARM D.Pharmacist1457400046
- Laura Abbott, M.D.Student in an Organized Health Care Education/Training Program1093071367
- Brian Ablang, P.T.Physical Therapist1609931054
- Arash AgharahmanianStudent in an Organized Health Care Education/Training Program1366237240
- Mia AldridgeStudent in an Organized Health Care Education/Training Program1437890761
- Catherine Grace Alejo, NPFamily Nurse Practitioner1932273521
Verify Stewart Wong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A98757Check 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
4,570 Medicare Part D claims for 418 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 91 claims were for opioids.
Most prescribed
- Atorvastatin Calcium395 claims
- Amlodipine Besylate331 claims
- Losartan Potassium254 claims
- Lisinopril160 claims
- Simvastatin110 claims
- Hydrochlorothiazide108 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.
One hospital or facility affiliation
- Permanente Medical Group IncSan Francisco, CA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
1,593 internal medicine physician records list a San Francisco practice address
They are 1,593 of the 38,143 NPPES records with a San Francisco practice address, and 20,403 internal medicine physician records in California.
All 1,593 in San Francisco → All 20,403 in California → Every provider in San Francisco →
Other internal medicine physician records in California
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- Marce AbareScotts Valley, CA1457744708
- Samuel Abarte, M.D.Chula Vista, CA1578535498
- Alexander Abary, MDLong Beach, CA1104995919
- Luba Abascal, MDSan Francisco, CA1023180874
- Michael Abate, MDSacramento, CA1548248131
- Wali Abawi, D.O.Joshua Tree, CA1104362268
Common questions
What is Stewart Wong, MD's NPI number?
Stewart Wong, MD's National Provider Identifier (NPI) is 1235334228, issued on Jun 19, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Stewart Wong, MD located?
The NPPES record lists a practice address at 2425 Geary Blvd, San Francisco, CA, 94115. Phone: (415) 833-3034. Providers update this record themselves, so call before visiting.
How can I verify Stewart Wong, MD's license?
NPPES lists California license number A98757, 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 Stewart Wong, MD prescribe under Medicare Part D?
In 2024, Stewart Wong, MD had 4,570 Medicare Part D claims for 418 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.