Aaron Gordon Baker, M.D.
Emergency Medicine Physician · San Luis Obispo, CA
Aaron Gordon 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.
- Name
- Aaron Gordon 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
- Record last updated
- Feb 19, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (805) 756-5298
- Medicaid ID
- 00G701320 CA
- Medicare enrollment
- Enrolled (PECOS I20040209001277); accepts Medicare assignment
- Medical or professional school
- University Of California, San Francisco School Of Medicine, 1989
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 1 Grand Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tatyana Almadin, MA, ATCAthletic Trainer1376383828
- Richard Ascoli, M.D.Family Medicine Physician1184854598
- Jay Bettergarcia, PH.D.Counseling Psychologist1003300153
- Paul Brylewski, P.A.Physician Assistant1699704858
- Michael Corrigan, MDFamily Medicine Physician1487763173
- Raechel Cunningham, ATCAthletic Trainer1902928542
Verify Aaron Gordon Baker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G70132Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
56% 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 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Cephalexin11 claims
- 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.
Bills Medicare through 2 group practices
- Kristopher Lyon, MD And Rachel May, MD, A Medical CorporationSan Luis Obispo, CA
- Med-Stops Medical Clinic IncSan Luis Obispo, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Aaron Gordon Baker among 7,751 emergency medicine physician records in California
Aaron Gordon Baker, 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. 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 fileYes · 59% of these records are
- Graduated1989 · median 2011 among the 4,560 with a school on file
- Record last updated2016 · 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.
All 7,751 in California → Every provider in San Luis Obispo → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- John Garcia, M.DSan Luis Obispo, CA 934071164453353
- Rushdi Abdul Cader, MDSan Luis Obispo, CA 934051891743431
- Sean AndrewsSan Luis Obispo, CA 934051154736734
- Joshua Bridge, DOSan Luis Obispo, CA 934051932849569
- Tillman Dodd, M.D.San Luis Obispo, CA 934051497738140
- Paul Georghio, MDSan Luis Obispo, CA 934051083672232
- Patrick Haran, MDSan Luis Obispo, CA 934051659329225
- Kyle Kelson, MDSan Luis Obispo, CA 934051568856474
Common questions
What is Aaron Gordon Baker, M.D.'s NPI number?
Aaron Gordon 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 Gordon 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 Gordon 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 Gordon Baker, M.D. prescribe under Medicare Part D?
In 2024, Aaron Gordon Baker, M.D. had 100 Medicare Part D claims for 72 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.