Daniel May, M.D.
Family Medicine Physician · Yorba Linda, CA
Daniel May, M.D. is a family medicine physician with a practice address in Yorba Linda, California, and NPI 1760423917, issued on Jun 9, 2006. Check the license (California G58421, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Daniel May
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- G58421 CA
Self-reported in NPPES; status is on the state search - Practice location
- 18300 Yorba Linda Blvd, Yorba Linda, CA 92886
- Phone
- (986) 577-6000
- Enumerated
- Jun 9, 2006
- Record last updated
- Oct 25, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (714) 572-9538
- Medicaid ID
- 00G584210 CA
- Medicare enrollment
- Enrolled (PECOS I20111219000416); accepts Medicare assignment
- Medical or professional school
- University Of California, Irvine, California College Of Medicine, 1985
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 18300 Yorba Linda Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jeanette Alves, P.A.Medical Physician Assistant1124189618
- Thomas Barker, M.D.Family Medicine Physician1275574097
- Carl Buckhorn, M.D.Internal Medicine Physician1649264847
- Christina Caputo, PAPhysician Assistant1366771891
- Xandi Craig, P.A.Medical Physician Assistant1285735258
- Gregg Denicola, MDFamily Medicine Physician1164469912
Verify Daniel May in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G58421Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3% more Medicare Part D claims than the average family medicine physician in 2024
3,648 Medicare Part D claims for 430 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 28 claims were for opioids.
Most prescribed
- Atorvastatin Calcium213 claims
- Losartan Potassium197 claims
- Rosuvastatin Calcium194 claims
- Lisinopril161 claims
- Amlodipine Besylate151 claims
- Levothyroxine Sodium134 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.
Industry payments in 2024: $213.99
4 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Marshall B Ketchum UniversityAnaheim, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Daniel May among 17,133 family medicine physician records in California
Daniel May, M.D. is one of 17,133 family 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 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1985 · median 2005 among the 10,652 with a school on file
- Record last updated2007 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
48 family medicine physician records list a practice address in Yorba Linda
They are 48 of the 748 NPPES records with a practice address in Yorba Linda, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Yorba Linda → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Kenneth Birkenstein, M.D.Yorba Linda, CA 928861093710022
- Gregg Denicola, MDYorba Linda, CA 928861164469912
- Roxann Engle, DOYorba Linda, CA 928861710981303
- Fred Hurst, MDYorba Linda, CA 928861114927720
- Maria Hutchinson, DOYorba Linda, CA 928861558349316
- Ana Ivanova, M.D.Yorba Linda, CA 928861104812833
- Angsumarn Luecha, MDYorba Linda, CA 928861023018009
- Dean Okimoto, MDYorba Linda, CA 928861912908336
Common questions
What is Daniel May, M.D.'s NPI number?
Daniel May, M.D.'s National Provider Identifier (NPI) is 1760423917, issued on Jun 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Daniel May, M.D. located?
The NPPES record lists a practice address at 18300 Yorba Linda Blvd, Yorba Linda, CA, 92886. Phone: (986) 577-6000. Providers update this record themselves, so call before visiting.
How can I verify Daniel May, M.D.'s license?
NPPES lists California license number G58421, 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 Daniel May, M.D. prescribe under Medicare Part D?
In 2024, Daniel May, M.D. had 3,648 Medicare Part D claims for 430 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.