John Ellison, M.D.
Emergency Medicine Physician · Monterey, CA
John Ellison, M.D. is an emergency medicine physician with a practice address in Monterey, California, and NPI 1093845943, issued on Mar 7, 2007. Check the license (California G79299, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John Ellison
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- G79299 CA
Self-reported in NPPES; status is on the state search - Practice location
- 23625 WR Holman Highway, Monterey, CA 93940
- Phone
- (831) 624-5311
- Enumerated
- Mar 7, 2007
- Entity
- Type 1 · individual
Also registered at 23625 WR Holman Highway
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jeffrey Barnum, MDInternal Medicine Physician1912932211
- Michelle Barth, M.S., R.D., C.D.E.Registered Dietitian1902908205
- Ann Bispo, C.N.S., M.S.N., R.N.Psychiatric/Mental Health Clinical Nurse Specialist1073615381
- Alain Claudel, P.T.Physical Therapist1487700050
- Jack English, M.D.Anatomic Pathology & Clinical Pathology Physician1982772414
- William Fithian, M.D.Psychiatry Physician1316001159
Verify John Ellison in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G79299Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
25% fewer Medicare Part D claims than the average emergency medicine physician in 2024
265 Medicare Part D claims for 152 beneficiaries, against an average of 355 among the 49,029 providers of this specialty who prescribed in Part D. 44 claims were for opioids.
Most prescribed
- Ondansetron Odt34 claims
- Hydrocodone-Acetaminophen32 claims
- Naproxen29 claims
- Cephalexin11 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 Medicare quality score for 2023: 84.7 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
2 hospital and facility affiliations
- Community Hospital OF The Monterey PeninsulaMonterey, CA · Acute Care Hospitals4 of 5 stars
- Monterey Bay Observation MedicineMonterey, CA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Emergency Medicine Physician providers in California
There are 7,133 emergency medicine physician records in California.
Other emergency medicine physician records in California
- Cooper Aakhus, MDStanford, CA1194351007
- Pyra Aarden, MDMartinez, CA1417058199
- Neal Aaron, D.O.Encinitas, CA1114283520
- Eric AaserudeWalnut Creek, CA1811491194
- Nader Abas, MDBarstow, CA1346288305
- Michael Abbo, MDNovato, CA1205819042
- Daniel Abbott, MDFullerton, CA1518907864
- Paul-Andre Abboud, M.D.Oakland, CA1710065503
- Mostafa Abdel-Hamid, MDStanford, CA1457918740
- Ashraf Abdel-KerimChino, CA1396961538
Common questions
What is John Ellison, M.D.'s NPI number?
John Ellison, M.D.'s National Provider Identifier (NPI) is 1093845943, issued on Mar 7, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John Ellison, M.D. located?
The NPPES record lists a practice address at 23625 WR Holman Highway, Monterey, CA, 93940. Phone: (831) 624-5311. Providers update this record themselves, so call before visiting.
How can I verify John Ellison, M.D.'s license?
NPPES lists California license number G79299, 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 John Ellison, M.D. prescribe under Medicare Part D?
In 2024, John Ellison, M.D. had 265 Medicare Part D claims for 152 beneficiaries; the average among emergency medicine physician prescribers was 355. Part D covers Medicare prescriptions only.
What is John Ellison, M.D.'s Medicare quality score?
The 2023 MIPS final score is 84.7 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.