Bronwyn Sing, D.O.
Family Medicine Physician · Vallejo, CA
Bronwyn Sing, D.O. is a family medicine physician with a practice address in Vallejo, California, and NPI 1962797886, issued on Jun 20, 2011. Check the license (California 20A14249, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Bronwyn Sing
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A14249 CA
Self-reported in NPPES; status is on the state search - Practice location
- 365 Tuolumne St, Vallejo, CA 94590
- Phone
- (707) 469-4640
- Enumerated
- Jun 20, 2011
- Record last updated
- Jul 30, 2019 (not updated in 7 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 365 Tuolumne St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Georgia Allen, DOInternal Medicine Physician1508844796
- Karla BaileyFamily Nurse Practitioner1700433604
- Gabriel Bascara, PA-CPhysician Assistant1467294934
- Michael Clearfield, D.O.Internal Medicine Physician1689638561
- Laurena Dongmo FotsingAdult Medicine Physician1003433699
- Jennifer Elton, FNPFamily Nurse Practitioner1720462468
Verify Bronwyn Sing in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A14249Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average family medicine physician in 2024
24 Medicare Part D claims, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Finasteride12 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.
Bronwyn Sing among 17,133 family medicine physician records in California
Bronwyn Sing, D.O. is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 63% of them.
- NPI issued2011 · 63% of these records are older, 34% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2019 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
66 family medicine physician records list a practice address in Vallejo
They are 66 of the 2,836 NPPES records with a practice address in Vallejo, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Vallejo → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Zoe Cappe, M.DVallejo, CA 945901326421108
- Matthew Fagan, D.O.Vallejo, CA 945901740488543
- Wasfa Jahangiri, MDVallejo, CA 945901215021175
- Francis Ko, M.D.Vallejo, CA 945901912102179
- James Lessenger, MDVallejo, CA 945901427206796
- Steve Lim, MDVallejo, CA 945901174548481
- Moneesha Mukherjee, MDVallejo, CA 945901386374700
- Kyra Ray, MDVallejo, CA 945901154948925
Common questions
What is Bronwyn Sing, D.O.'s NPI number?
Bronwyn Sing, D.O.'s National Provider Identifier (NPI) is 1962797886, issued on Jun 20, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Bronwyn Sing, D.O. located?
The NPPES record lists a practice address at 365 Tuolumne St, Vallejo, CA, 94590. Phone: (707) 469-4640. Providers update this record themselves, so call before visiting.
How can I verify Bronwyn Sing, D.O.'s license?
NPPES lists California license number 20A14249, 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 Bronwyn Sing, D.O. prescribe under Medicare Part D?
In 2024, Bronwyn Sing, D.O. had 24 Medicare Part D claims; 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.