Rachel May, M.D.
Emergency Medicine Physician · Arroyo Grande, CA
Rachel May, M.D. is an emergency medicine physician with a practice address in Arroyo Grande, California, and NPI 1609810209, issued on Jun 15, 2006. Check the license (California A94123, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Rachel May
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A94123 CA
Self-reported in NPPES; status is on the state search - Practice location
- 345 S Halcyon RD, Arroyo Grande, CA 93420
- Phone
- (805) 489-4261
- Enumerated
- Jun 15, 2006
- Record last updated
- Jan 31, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicaid ID
- 00A941230 CA
- Medicare enrollment
- Enrolled (PECOS I20060826000012); accepts Medicare assignment
- Medical or professional school
- New York Medical College, 2002
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 345 S Halcyon RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Angel Evans, LICENSE SOCIAL WORKSocial Worker1881257608
- Alexis Haynes, OTD, OTR/LOccupational Therapist1457272049
- Elizabeth Henrichs, OTR/LPhysical Rehabilitation Occupational Therapist1558983510
Verify Rachel May in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A94123Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
37% fewer Medicare Part D claims than the average emergency medicine physician in 2024
143 Medicare Part D claims for 93 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 22 claims were for opioids.
Most prescribed
- Oxycodone Hcl16 claims
- Cefuroxime11 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 94.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
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).
Rachel May among 7,751 emergency medicine physician records in California
Rachel May, 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
- Graduated2002 · median 2011 among the 4,560 with a school on file
- Record last updated2008 · 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 Arroyo Grande → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Jerilynn Campbell, M.D.Arroyo Grande, CA 934201023052834
- Paul Christensen, M.D.San Luis Obispo, CA 934201083658777
- Wilton McLeod, D.O.Arroyo Grande, CA 934201699719294
- Stefan Teitge, M.D.Arroyo Grande, CA 934201043255391
- Therese Chan-McNabb, M.D.Atascadero, CA 934221477597128
- Roy Germano, M.D.Atascadero, CA 934221689691446
- Jeffrey Kurz, M.D.Atascadero, CA 934221679910558
- Jesus Martinez, MDAtascadero, CA 934221144781832
Common questions
What is Rachel May, M.D.'s NPI number?
Rachel May, M.D.'s National Provider Identifier (NPI) is 1609810209, issued on Jun 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Rachel May, M.D. located?
The NPPES record lists a practice address at 345 S Halcyon RD, Arroyo Grande, CA, 93420. Phone: (805) 489-4261. Providers update this record themselves, so call before visiting.
How can I verify Rachel May, M.D.'s license?
NPPES lists California license number A94123, 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 Rachel May, M.D. prescribe under Medicare Part D?
In 2024, Rachel May, M.D. had 143 Medicare Part D claims for 93 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Rachel May, M.D.'s MIPS final score?
The 2023 MIPS final score is 94.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.