Registry data as of Aug 27, 2026

Aaron Baker, M.D.

Emergency Medicine Physician · San Luis Obispo, CA

Aaron Baker, M.D. is an emergency medicine physician with a practice address in San Luis Obispo, California, and NPI 1215968060, issued on Jul 6, 2006. Check the license (California G70132, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1215968060
Name
Aaron Baker
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
G70132 CA
Self-reported in NPPES; status is on the state search
Practice location
1 Grand Ave, San Luis Obispo, CA 93407
Phone
(805) 756-1211
Enumerated
Jul 6, 2006
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 1 Grand Ave

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

  1. Tatyana Almadin, MA, ATCAthletic Trainer1376383828
  2. Richard Ascoli, M.D.Family Medicine Physician1184854598
  3. Jay Bettergarcia, PH.D.Counseling Psychologist1003300153
  4. Paul Brylewski, P.A.Physician Assistant1699704858
  5. Michael Corrigan, MDFamily Medicine Physician1487763173
  6. Raechel Cunningham, ATCAthletic Trainer1902928542

Verify Aaron Baker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G70132
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

72% fewer Medicare Part D claims than the average emergency medicine physician in 2024

100 Medicare Part D claims for 72 beneficiaries, against an average of 355 among the 49,029 providers of this specialty who prescribed in Part D.

  1. Aaron Baker100
  2. Specialty average355

Most prescribed

  1. Cephalexin11 claims
  2. Nitrofurantoin Mono-Macro11 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.

2 hospital and facility affiliations

  1. Kristopher Lyon, MD And Rachel May, MD, A Medical CorporationSan Luis Obispo, CA
  2. Med-Stops Medical Clinic IncSan Luis Obispo, 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

  1. Cooper Aakhus, MDStanford, CA1194351007
  2. Pyra Aarden, MDMartinez, CA1417058199
  3. Neal Aaron, D.O.Encinitas, CA1114283520
  4. Eric AaserudeWalnut Creek, CA1811491194
  5. Nader Abas, MDBarstow, CA1346288305
  6. Michael Abbo, MDNovato, CA1205819042
  7. Daniel Abbott, MDFullerton, CA1518907864
  8. Paul-Andre Abboud, M.D.Oakland, CA1710065503
  9. Mostafa Abdel-Hamid, MDStanford, CA1457918740
  10. Ashraf Abdel-KerimChino, CA1396961538

Common questions

What is Aaron Baker, M.D.'s NPI number?

Aaron Baker, M.D.'s National Provider Identifier (NPI) is 1215968060, issued on Jul 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Aaron Baker, M.D. located?

The NPPES record lists a practice address at 1 Grand Ave, San Luis Obispo, CA, 93407. Phone: (805) 756-1211. Providers update this record themselves, so call before visiting.

How can I verify Aaron Baker, M.D.'s license?

NPPES lists California license number G70132, 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 Aaron Baker, M.D. prescribe under Medicare Part D?

In 2024, Aaron Baker, M.D. had 100 Medicare Part D claims for 72 beneficiaries; the average among emergency medicine physician prescribers was 355. Part D covers Medicare prescriptions only.

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.