Stephen Dwight Weston, M.D.
Anesthesiology Physician · San Francisco, CA
Stephen Dwight Weston, M.D. is an anesthesiology physician with a practice address in San Francisco, California, and NPI 1184933418, issued on Oct 5, 2010. Check the license (California 121350, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Stephen Dwight Weston
- Credential
- M.D.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 121350 CA
Self-reported in NPPES; status is on the state search - Practice location
- 505 Parnassus Ave, San Francisco, CA 94143
- Phone
- (415) 514-2999
- Enumerated
- Oct 5, 2010
- Record last updated
- Dec 28, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20140910000017); accepts Medicare assignment
- Medical or professional school
- University Of California, San Diego School Of Medicine, 2010
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 7,571 in California → Look up another NPI →
Also registered at 505 Parnassus Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alexander Aabedi, MDStudent in an Organized Health Care Education/Training Program1245971480
- Kathryn Aaronson, RN, CPNPPediatric Nurse Practitioner1992030951
- Sharon AbadaStudent in an Organized Health Care Education/Training Program1003492844
- Abul Abbas, MBBSAnatomic Pathology Physician1881652964
- Jesse Abelson, MDInternal Medicine Physician1083843817
- Rhonald AbitonaAcute Care Nurse Practitioner1164993473
Verify Stephen Dwight Weston in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 121350Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- University Anesthesia Medical GroupSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen Dwight Weston among 7,571 anesthesiology physician records in California
Stephen Dwight Weston, M.D. is one of 7,571 anesthesiology physician records with a practice address in California. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 65% of them.
- NPI issued2010 · 65% of these records are older, 32% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2010 · median 2006 among the 4,868 with a school on file
- Record last updated2015 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
499 anesthesiology physician records list a practice address in San Francisco
They are 499 of the 38,143 NPPES records with a practice address in San Francisco, and 7,571 anesthesiology physician records in California.
All 7,571 in California → Every provider in San Francisco → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Philip Bickler, MDSan Francisco, CA 941431245295450
- Ronald Braun, M.D.San Francisco, CA 941431700865367
- Neal Cohen, MDSan Francisco, CA 941431790740504
- Helge Eilers, MDSan Francisco, CA 941431134182884
- Adrian Gelb, MDSan Francisco, CA 941431568427185
- Michael Gropper, MDSan Francisco, CA 941431699730416
- Jeffrey Katz, MDSan Francisco, CA 941431295790913
- Terry Kim, MDSan Francisco, CA 941431972578524
Common questions
What is Stephen Dwight Weston, M.D.'s NPI number?
Stephen Dwight Weston, M.D.'s National Provider Identifier (NPI) is 1184933418, issued on Oct 5, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Dwight Weston, M.D. located?
The NPPES record lists a practice address at 505 Parnassus Ave, San Francisco, CA, 94143. Phone: (415) 514-2999. Providers update this record themselves, so call before visiting.
How can I verify Stephen Dwight Weston, M.D.'s license?
NPPES lists California license number 121350, 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.
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.