Joseph A. Gehrz, M.D.
Emergency Medicine Physician · San Diego, CA
Joseph A. Gehrz, M.D. is an emergency medicine physician with a practice address in San Diego, California, and NPI 1932584612, issued on Jul 23, 2015. Check the license (California A144011, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Joseph A. Gehrz
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A144011 CA
Self-reported in NPPES; status is on the state search - Practice location
- Naval Medical Center San Diego, San Diego, CA 92134
- Phone
- (619) 843-2863
- Enumerated
- Jul 23, 2015
- Record last updated
- May 28, 2025
- Medicare enrollment
- Enrolled (PECOS I20220830003918); accepts Medicare assignment
- Medical or professional school
- Geisel School Of Medicine At Dartmouth, 2015
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at Naval Medical Center San Diego
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- David AugustinPharmacist1275985962
- Emma Basaran, MDInternal Medicine Physician1568923266
Verify Joseph A. Gehrz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A144011Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average emergency medicine physician in 2024
43 Medicare Part D claims for 27 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
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.
The practice group's MIPS final score for 2023 (Medicare payment program): 88 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Emergency Services Medical Corporation CoronadoCoronado, CA
- Team Physicians OF Northern California Medical Group IncLa Mesa, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joseph A. Gehrz among 7,751 emergency medicine physician records in California
Joseph A. Gehrz, M.D. is one of 7,751 emergency 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 2015, is newer than 72% of them.
- NPI issued2015 · 72% of these records are older, 25% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2015 · median 2011 among the 4,560 with a school on file
- Record last updated2025 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in California
There are 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in San Diego → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Jonathan Auten, D.O.San Diego, CA 921341134190259
- Robert Buckley, MDSan Diego, CA 921341194796417
- Gerard Demers, D.O.San Diego, CA 921341487626032
- David Durkovich, D.O.San Diego, CA 921341932179199
- Adam Field, MDSan Diego, CA 921341780649848
- Miguel Gutierrez, M.D.San Diego, CA 921341265402648
- Eric Herbert, MDSan Diego, CA 921341497727598
- Nicole Hurst, MDSan Diego, CA 921341174502785
Common questions
What is Joseph A. Gehrz, M.D.'s NPI number?
Joseph A. Gehrz, M.D.'s National Provider Identifier (NPI) is 1932584612, issued on Jul 23, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Joseph A. Gehrz, M.D. located?
The NPPES record lists a practice address at Naval Medical Center San Diego, San Diego, CA, 92134. Phone: (619) 843-2863. Providers update this record themselves, so call before visiting.
How can I verify Joseph A. Gehrz, M.D.'s license?
NPPES lists California license number A144011, 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 Joseph A. Gehrz, M.D. prescribe under Medicare Part D?
In 2024, Joseph A. Gehrz, M.D. had 43 Medicare Part D claims for 27 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Joseph A. Gehrz, M.D.'s MIPS final score?
The 2023 MIPS final score is 88 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.