NPPES file of Aug 9, 2026

Keith Oliver Dillon, M.D.

Obstetrics & Gynecology Physician · Santa Maria, CA

Keith Oliver Dillon, M.D. is an obstetrics & gynecology physician with a practice address in Santa Maria, California, and NPI 1154407534, issued on Oct 28, 2006. Check the license (California A75356, 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
1154407534
Name
Keith Oliver Dillon
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
A75356 CA
Self-reported in NPPES; status is on the state search
Practice location
1510 E Main St, Santa Maria, CA 93454
Phone
(805) 739-3262
Enumerated
Oct 28, 2006
Record last updated
Jul 10, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(805) 354-7013
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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8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →

Also registered at 1510 E Main St

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

  1. Samir Bhatt, MDInterventional Cardiology Physician1295925972
  2. Alex Harrison, MDCardiovascular Disease Physician1396934188
  3. Mary Katherine Llarena, FNP-CNurse Practitioner1447793211
  4. Keith Somma, M.D.Interventional Cardiology Physician1528279841

Verify Keith Oliver Dillon in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A75356    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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Keith Oliver Dillon among 5,088 obstetrics & gynecology physician records in California

Keith Oliver Dillon, M.D. is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% 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 5% of them.

  • NPI issued2006 · 5% of these records are older, 52% newer
  • In a Medicare fileNo · 74% of these records are
  • In the CMS Doctors and Clinicians fileNo · 53% of these records are
  • Record last updated2011 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

39 obstetrics & gynecology physician records list a practice address in Santa Maria

They are 39 of the 3,047 NPPES records with a practice address in Santa Maria, and 5,088 obstetrics & gynecology physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 5,088 in California → Every provider in Santa Maria → Obstetrics & Gynecology Physician nationwide →

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Ilona Baran, MDSanta Maria, CA 934541487639290
  2. Tad Callahan, MDSanta Maria, CA 934541225112931
  3. Brian Crisp, M.D.Santa Maria, CA 934541861446262
  4. Kenneth Fogelberg, M.D.Santa Maria, CA 934541801897764
  5. Carolyn Griffith, M.D.Santa Maria, CA 934541720009269
  6. Rebecca Jones, M.D.Santa Maria, CA 934541093823700
  7. Robert McGhie, M.D.Santa Maria, CA 934541730184367
  8. Charla Morgan, D.O.Santa Maria, CA 934541831153261

Common questions

What is Keith Oliver Dillon, M.D.'s NPI number?

Keith Oliver Dillon, M.D.'s National Provider Identifier (NPI) is 1154407534, issued on Oct 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Keith Oliver Dillon, M.D. located?

The NPPES record lists a practice address at 1510 E Main St, Santa Maria, CA, 93454. Phone: (805) 739-3262. Providers update this record themselves, so call before visiting.

How can I verify Keith Oliver Dillon, M.D.'s license?

NPPES lists California license number A75356, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.