Joseph Alexander Eisner, M.D.
Surgery Physician · Oxnard, CA
Joseph Alexander Eisner, M.D. is a surgery physician with a practice address in Oxnard, California, and NPI 1063776516, issued on Jun 29, 2012. Check the license (California A128860, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Joseph Alexander Eisner
- Credential
- M.D.
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- A128860 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1700 N Rose Ave Ste 430, Oxnard, CA 93030
- Phone
- (805) 485-8722
- Enumerated
- Jun 29, 2012
- Record last updated
- Sep 9, 2025
- Medicare enrollment
- Enrolled (PECOS I20170815001231); accepts Medicare assignment
- Medical or professional school
- New York University School Of Medicine, 2012
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 3,118 in California → Look up another NPI →
Also registered at 1700 N Rose Ave Ste 430
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Patrick McCarty, M.D.Surgery Physician1083052930
- Samantha Wu, M.D.Surgery Physician1043665441
Verify Joseph Alexander Eisner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A128860Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
37% fewer Medicare Part D claims than the average surgery physician in 2024
93 Medicare Part D claims for 60 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. 46 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen30 claims
- Oxycodone-Acetaminophen16 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 88.5 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: $326.42
3 payments; by number, the most common kind was food and beverage; the largest payer was PolyNovo North America LLC. The 17,103 providers of this specialty with any payment received $3,513.80 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 3 group practices
- Community Memorial Health SystemVentura, CA
- General Surgery Medical Group OF Ventura CountyOxnard, CA
- Pacific Central Coast Health CentersCamarillo, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joseph Alexander Eisner among 3,118 surgery physician records in California
Joseph Alexander Eisner, M.D. is one of 3,118 surgery physician records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 73% of them.
- NPI issued2012 · 73% of these records are older, 25% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2012 · median 2003 among the 1,901 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 208600000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in California
There are 3,118 surgery physician records in California.
All 3,118 in California → Every provider in Oxnard → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Jaime Arana, MDOxnard, CA 930301720240716
- Lisa Babashoff, M.D.Oxnard, CA 930301568465649
- Timothy Bryant, M.D.Oxnard, CA 930301164425245
- Chun-Nan Chen, M.D.Oxnard, CA 930301558305623
- Joseph Lopresti, M.D.Oxnard, CA 930301881697951
- Patrick McCarty, M.D.Oxnard, CA 930301083052930
- Sal Santangelo, M.D.Oxnard, CA 930301972664183
- Brian Tuai, M.D.Oxnard, CA 930301497758569
Common questions
What is Joseph Alexander Eisner, M.D.'s NPI number?
Joseph Alexander Eisner, M.D.'s National Provider Identifier (NPI) is 1063776516, issued on Jun 29, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Alexander Eisner, M.D. located?
The NPPES record lists a practice address at 1700 N Rose Ave Ste 430, Oxnard, CA, 93030. Phone: (805) 485-8722. Providers update this record themselves, so call before visiting.
How can I verify Joseph Alexander Eisner, M.D.'s license?
NPPES lists California license number A128860, 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 Alexander Eisner, M.D. prescribe under Medicare Part D?
In 2024, Joseph Alexander Eisner, M.D. had 93 Medicare Part D claims for 60 beneficiaries; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.
What is Joseph Alexander Eisner, M.D.'s MIPS final score?
The 2023 MIPS final score is 88.5 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.