Eric J. Zimmer, M.D.
Anesthesiology Physician · San Diego, CA
Eric J. Zimmer, M.D. is an anesthesiology physician with a practice address in San Diego, California, and NPI 1760494991, issued on Aug 13, 2006. Check the license (California G57952, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Eric J. Zimmer
- Credential
- M.D.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- G57952 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3626 Ruffin RD, San Diego, CA 92123
- Phone
- (858) 565-9666
- Enumerated
- Aug 13, 2006
- Record last updated
- Dec 7, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (858) 565-9441
- Medicaid ID
- 00G579520 CA
- Medicare enrollment
- Enrolled (PECOS I20040123000811); accepts Medicare assignment
- Medical or professional school
- University Of California, Irvine, California College Of Medicine, 1985
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 7,571 in California → Look up another NPI →
Also registered at 3626 Ruffin RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Anthony Alarcon, M.D.Anesthesiology Physician1972745370
- Arti Amin, M.D.Anesthesiology Physician1124349774
- John Arnold, M.D.Anesthesiology Physician1306853585
- Gus Atkins, M.D.Anesthesiology Physician1821075987
Verify Eric J. Zimmer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G57952Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 79.2 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).
Industry payments in 2024: $121.84
1 payment: food and beverage; the largest payer was Pacira Pharmaceuticals Incorporated. The 17,774 providers of this specialty with any payment received $669.59 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Anesthesia Service Medical GroupSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Eric J. Zimmer among 7,571 anesthesiology physician records in California
Eric J. Zimmer, 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 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 53% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1985 · median 2006 among the 4,868 with a school on file
- Record last updated2007 · 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).
686 anesthesiology physician records list a practice address in San Diego
They are 686 of the 52,937 NPPES records with a practice address in San Diego, and 7,571 anesthesiology physician records in California.
All 7,571 in California → Every provider in San Diego → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Gus Atkins, M.D.San Diego, CA 921231821075987
- Paul Cattafi, DOSan Diego, CA 921231538151543
- Fei Chen, M.D.San Diego, CA 921231144290701
- Eric Clark, M.D.San Diego, CA 921231720078470
- William Connell, M.D.San Diego, CA 921231609848027
- Hisham El-Tayeb, M.D.San Diego, CA 921231679544084
- Janice Fernandez, M.D.San Diego, CA 921231578549788
- Robert Howard, M.D.San Diego, CA 921231003889528
Common questions
What is Eric J. Zimmer, M.D.'s NPI number?
Eric J. Zimmer, M.D.'s National Provider Identifier (NPI) is 1760494991, issued on Aug 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Eric J. Zimmer, M.D. located?
The NPPES record lists a practice address at 3626 Ruffin RD, San Diego, CA, 92123. Phone: (858) 565-9666. Providers update this record themselves, so call before visiting.
How can I verify Eric J. Zimmer, M.D.'s license?
NPPES lists California license number G57952, 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.
What is Eric J. Zimmer, M.D.'s MIPS final score?
The 2023 MIPS final score is 79.2 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.