Marvin Wesley Zahler, DO
Family Medicine Physician · San Diego, CA
Marvin Wesley Zahler, DO is a family medicine physician with a practice address in San Diego, California, and NPI 1134380710, issued on Jun 17, 2008. Check the license (California 20A11612, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Marvin Wesley Zahler
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 20A11612 CA
53581-021 WI
Self-reported in NPPES; status is on the state search - Practice location
- 34800 Bob Wilson Dr, San Diego, CA 92134
- Phone
- (619) 545-0395
- Enumerated
- Jun 17, 2008
- Record last updated
- Jul 6, 2026
- Medicare enrollment
- Enrolled (PECOS I20150820012556); accepts Medicare assignment
- Medical or professional school
- Kansas City University Of Physicians And Surgeons, 2008
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 34800 Bob Wilson Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Marvin Wesley Zahler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A11612Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average family medicine physician in 2024
143 Medicare Part D claims for 52 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 11 claims were for opioids.
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 2 group practices
- Scripps HealthSan Diego, CA
- Scripps Health Inpatient Providers Medical Group IncSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marvin Wesley Zahler among 17,133 family medicine physician records in California
Marvin Wesley Zahler, DO 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 2008, is newer than 53% of them.
- NPI issued2008 · 53% of these records are older, 42% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2008 · median 2005 among the 10,652 with a school on file
- Record last updated2026 · 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).
780 family medicine physician records list a practice address in San Diego
They are 780 of the 52,937 NPPES records with a practice address in San Diego, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in San Diego → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Kathryn Berndt, M.D.San Diego, CA 921341033181292
- Poonam Bhatia, M.D.San Diego, CA 921341861564791
- John Ewing, D.O.San Diego, CA 921341760614143
- David Harris, M.D.San Diego, CA 921341306278338
- James Hendricks, D.O.San Diego, CA 921341831385087
- Eileen Horner, M.D.San Diego, CA 921341063484012
- Chelsea HuffSan Diego, CA 921341326993676
- Eamon Keleher, MD (STAFF PHYSICIAN)San Diego, CA 921341760824403
Common questions
What is Marvin Wesley Zahler, DO's NPI number?
Marvin Wesley Zahler, DO's National Provider Identifier (NPI) is 1134380710, issued on Jun 17, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Marvin Wesley Zahler, DO located?
The NPPES record lists a practice address at 34800 Bob Wilson Dr, San Diego, CA, 92134. Phone: (619) 545-0395. Providers update this record themselves, so call before visiting.
How can I verify Marvin Wesley Zahler, DO's license?
NPPES lists California license number 20A11612, 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 Marvin Wesley Zahler, DO prescribe under Medicare Part D?
In 2024, Marvin Wesley Zahler, DO had 143 Medicare Part D claims for 52 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.