NPPES file of Aug 9, 2026

David Wayne Oates, M.D.

Emergency Medicine Physician · Santa Maria, CA

David Wayne Oates, M.D. is an emergency medicine physician with a practice address in Santa Maria, California, and NPI 1679504807, issued on Jul 5, 2006. Check the license (California G72476, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1679504807
Name
David Wayne Oates
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
G72476 CA
Self-reported in NPPES; status is on the state search
Practice location
1400 E Church St, Santa Maria, CA 93454
Phone
(805) 739-3561
Enumerated
Jul 5, 2006
Record last updated
Jan 27, 2017 (not updated in 9 years: call before relying on the address or phone)
Medicaid ID
00G724760 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 1400 E Church St

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

  1. Elena Agafonova, M.D.Internal Medicine Physician1558757666
  2. Alyse Andrade, RN IBCLCLactation Consultant (Registered Nurse)1104647403
  3. Steven Andrews, PAPhysician Assistant1083352397
  4. Andrea ArthoferStudent in an Organized Health Care Education/Training Program1225772973
  5. Hannah Barrows, PA-CPhysician Assistant1528747128
  6. Nader Batal, DOFamily Medicine Physician1740923135

Verify David Wayne Oates in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G72476
    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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David Wayne Oates among 7,751 emergency medicine physician records in California

David Wayne Oates, M.D. 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 not. Its NPI, issued in 2006, is newer than 4% of them.

  • NPI issued2006 · 4% of these records are older, 60% newer
  • In a Medicare fileNo · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 59% of these records are
  • Record last updated2017 · 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).

Emergency Medicine Physician providers in California

There are 7,751 emergency medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Matthew Cote, M.D.Santa Maria, CA 934541548291826
  2. David Duke, M.D.Santa Maria, CA 934541780615963
  3. Cheryl Durstein-Decker, M.D. FACEPSanta Maria, CA 934541073569026
  4. Stacy Harmon, M.D.Santa Maria, CA 934541922039148
  5. William Hurst, M.D.Santa Maria, CA 934541255362489
  6. Brian Jensen, M.D.Santa Maria, CA 934541750318002
  7. David Ketelaar, M.D.Santa Maria, CA 934541073543542
  8. Charles Merrill, M.D.Santa Maria, CA 934541679504880

Common questions

What is David Wayne Oates, M.D.'s NPI number?

David Wayne Oates, M.D.'s National Provider Identifier (NPI) is 1679504807, issued on Jul 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is David Wayne Oates, M.D. located?

The NPPES record lists a practice address at 1400 E Church St, Santa Maria, CA, 93454. Phone: (805) 739-3561. Providers update this record themselves, so call before visiting.

How can I verify David Wayne Oates, M.D.'s license?

NPPES lists California license number G72476, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.