NPPES file of Aug 9, 2026

Sean Wormuth, MD

Emergency Medicine Physician · Vallejo, CA

Sean Wormuth, MD is an emergency medicine physician with a practice address in Vallejo, California, and NPI 1285712018, issued on Nov 1, 2006. Check the license (California A65543, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1285712018
Name
Sean Wormuth
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
A65543 CA
Self-reported in NPPES; status is on the state search
Practice location
975 Sereno Dr, Vallejo, CA 94589
Phone
(707) 651-1000
Enumerated
Nov 1, 2006
Record last updated
Dec 9, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid ID
00A655430 CA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 975 Sereno Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Joel Aandahl, NPAdult Health Nurse Practitioner1891423653
  2. Noman Absar, MDCritical Care Medicine (Internal Medicine) Physician1205908951
  3. Anthony Acquaviva, MDUrology Physician1457439283
  4. Jhonnard James Acuna, CRNACertified Registered Nurse Anesthetist1205997327
  5. Omid AfshariPharmacist1184165391
  6. Eesha AftabStudent in an Organized Health Care Education/Training Program1770421687

Verify Sean Wormuth in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A65543
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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54% fewer Medicare Part D claims than the average emergency medicine physician in 2024

104 Medicare Part D claims for 74 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 31 claims were for opioids.

  1. Sean Wormuth104
  2. Specialty average226

Most prescribed

  1. Hydrocodone-Acetaminophen20 claims
  2. Prednisone11 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.

Sean Wormuth among 7,751 emergency medicine physician records in California

Sean Wormuth, MD 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 2006, is newer than 4% of them.

  • NPI issued2006 · 4% of these records are older, 60% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 59% of these records are
  • Record last updated2021 · 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).

55 emergency medicine physician records list a practice address in Vallejo

They are 55 of the 2,836 NPPES records with a practice address in Vallejo, and 7,751 emergency medicine physician records in California.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Ian Ahwah, M.D.Vallejo, CA 945891699795146
  2. Jason Bateman, MDVallejo, CA 945891285712174
  3. Peter Chau, MDVallejo, CA 945891114960002
  4. Ian Chuang, M.D.Vallejo, CA 945891386650521
  5. Balraj Dhillon, M.D.Vallejo, CA 945891225064454
  6. Stephanie Eden, MDVallejo, CA 945891609892017
  7. Danielle Fisher, PA-CVallejo, CA 945891184642464
  8. Travis Harris, M. D.Vallejo, CA 945891326081696

Common questions

What is Sean Wormuth, MD's NPI number?

Sean Wormuth, MD's National Provider Identifier (NPI) is 1285712018, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Sean Wormuth, MD located?

The NPPES record lists a practice address at 975 Sereno Dr, Vallejo, CA, 94589. Phone: (707) 651-1000. Providers update this record themselves, so call before visiting.

How can I verify Sean Wormuth, MD's license?

NPPES lists California license number A65543, 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 Sean Wormuth, MD prescribe under Medicare Part D?

In 2024, Sean Wormuth, MD had 104 Medicare Part D claims for 74 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

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.