David B. Winn, M.D.
Hospitalist Physician · San Marcos, CA
David B. Winn, M.D. is a hospitalist physician with a practice address in San Marcos, California, and NPI 1699887646, issued on Aug 31, 2006. Check the license (California G87000, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- David B. Winn
- Credential
- M.D.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- G87000 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1176 Adena Way, San Marcos, CA 92069
- Phone
- (760) 752-1534
- Enumerated
- Aug 31, 2006
- Record last updated
- Nov 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20070716000650); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →
Verify David B. Winn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G87000Check 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
- Southern California Permanente Medical GroupSan Marcos, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David B. Winn among 3,099 hospitalist physician records in California
David B. Winn, M.D. is one of 3,099 hospitalist physician records with a practice address in California. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 73% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated1992 · median 2010 among the 2,505 with a school on file
- Record last updated2021 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in California
There are 3,099 hospitalist physician records in California.
All 3,099 in California → Every provider in San Marcos → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Alan Conrad, MDPoway, CA 920641972604627
- Narasa Madam, M.B.B.SPoway, CA 920641891109690
- Heidi Deitch, D.O.Solana Beach, CA 920751871816785
- Melaku Birhanie, M.DOceanside, CA 920561134411879
- Melanie Pribich, MDCamp Pendleton, CA 920551558754655
- Leila Shabanian, M.D.Vista, CA 920841013963073
- Nabil Baig, D.O.San Diego, CA 921011235405655
- Tiffany Cook, M.D.La Jolla, CA 920371972248607
Common questions
What is David B. Winn, M.D.'s NPI number?
David B. Winn, M.D.'s National Provider Identifier (NPI) is 1699887646, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David B. Winn, M.D. located?
The NPPES record lists a practice address at 1176 Adena Way, San Marcos, CA, 92069. Phone: (760) 752-1534. Providers update this record themselves, so call before visiting.
How can I verify David B. Winn, M.D.'s license?
NPPES lists California license number G87000, 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.