Alexander Bryte Walton, MD
Family Medicine Physician · San Francisco, CA
Alexander Bryte Walton, MD is a family medicine physician with a practice address in San Francisco, California, and NPI 1427750298, issued on Mar 17, 2023. Check the license (California A198898, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Alexander Bryte Walton
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A198898 CA
Self-reported in NPPES; status is on the state search - Practice location
- 350 Rhode Island St, San Francisco, CA 94103
- Phone
- (415) 600-5400
- Enumerated
- Mar 17, 2023
- Record last updated
- Jun 19, 2026
- Medicare enrollment
- Enrolled (PECOS I20250818003356); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 350 Rhode Island St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Agnes Alikpala, M.D.Pediatric Adolescent Medicine Physician1306919568
- Melanie AtmadjaPediatrics Physician1033475462
- Chieh-Yu Chen, MDInternal Medicine Physician1346604006
- Kelly Huibregtse, M.D.Pediatrics Physician1164866034
- Andrew ParsonsNeonatal-Perinatal Medicine Physician1740867563
- David Tejeda, M.D.Pediatrics Physician1750303103
Verify Alexander Bryte Walton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A198898Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average family medicine physician in 2024
85 Medicare Part D claims for 20 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 34% of 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.
Bills Medicare through one group practice
- Sutter Valley Medical FoundationSacramento, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Family Medicine Physician providers in California
There are 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in San Francisco →
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Common questions
What is Alexander Bryte Walton, MD's NPI number?
Alexander Bryte Walton, MD's National Provider Identifier (NPI) is 1427750298, issued on Mar 17, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Alexander Bryte Walton, MD located?
The NPPES record lists a practice address at 350 Rhode Island St, San Francisco, CA, 94103. Phone: (415) 600-5400. Providers update this record themselves, so call before visiting.
How can I verify Alexander Bryte Walton, MD's license?
NPPES lists California license number A198898, 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 Alexander Bryte Walton, MD prescribe under Medicare Part D?
In 2024, Alexander Bryte Walton, MD had 85 Medicare Part D claims for 20 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.