John W. Elliott, MD
Emergency Medicine Physician · Mill Valley, CA
John W. Elliott, MD is an emergency medicine physician with a practice address in Mill Valley, California, and NPI 1043224280, issued on Jul 27, 2006. Check the license (California C40989, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John W. Elliott
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- C40989 CA
Self-reported in NPPES; status is on the state search - Practice location
- 750 Redwood Hwy Frontage RD Ste 1204, Mill Valley, CA 94941
- Phone
- (415) 384-4778
- Enumerated
- Jul 27, 2006
- Record last updated
- Aug 23, 2023
- Fax
- (415) 384-4779
- Medicare enrollment
- Enrolled (PECOS I20050228001016); accepts Medicare assignment
- Medical or professional school
- University Of Arkansas College Of Medicine, 1982
- Entity
- Type 1 · individual
Also registered at 750 Redwood Hwy Frontage RD Ste 1204
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Aron Baum, PA-CPhysician Assistant1255851119
- Sarah Hubbell, DNP, FNP-CFamily Nurse Practitioner1134630684
- Jason Justin, PA-CPhysician Assistant1265967079
- Alexis Martinez, PA-CPhysician Assistant1073932034
- John Martinez, M.D.Sports Medicine (Family Medicine) Physician1003844507
- Laura Sasso, PA-CMedical Physician Assistant1386186302
Verify John W. Elliott in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C40989Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.2 times the Medicare Part D claims of the average emergency medicine physician in 2024
721 Medicare Part D claims for 477 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 29 claims were for opioids.
Most prescribed
- Azithromycin88 claims
- Cephalexin86 claims
- Amoxicillin-Clavulanate Potass54 claims
- Mupirocin48 claims
- Nitrofurantoin Mono-Macro36 claims
- Ciprofloxacin Hcl31 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 MIPS final score for 2023 (Medicare payment program): 96.5 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).
Bills Medicare through 2 group practices
- Cep America - CaliforniaSan Francisco, CA
- Ucsf Health Medical FoundationSan Bruno, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Emergency Medicine Physician providers in California
There are 7,751 emergency medicine physician records in California.
Other emergency medicine physician records in California
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- 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 W. Elliott, MD's NPI number?
John W. Elliott, MD's National Provider Identifier (NPI) is 1043224280, issued on Jul 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John W. Elliott, MD located?
The NPPES record lists a practice address at 750 Redwood Hwy Frontage RD Ste 1204, Mill Valley, CA, 94941. Phone: (415) 384-4778. Providers update this record themselves, so call before visiting.
How can I verify John W. Elliott, MD's license?
NPPES lists California license number C40989, 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 W. Elliott, MD prescribe under Medicare Part D?
In 2024, John W. Elliott, MD had 721 Medicare Part D claims for 477 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is John W. Elliott, MD's MIPS final score?
The 2023 MIPS final score is 96.5 of 100. 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.