Daniel R. Lemay, MD, PH. D.
Neurological Surgery Physician · Downey, CA
Daniel R. Lemay, MD, PH. D. is a neurological surgery physician with a practice address in Downey, California, and NPI 1356347959, issued on Jun 28, 2005. Check the license (California G74285, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Daniel R. Lemay
- Credential
- MD, PH. D.
- Primary taxonomy
- Neurological Surgery Physician 207T00000X
- License number
- G74285 CA
Self-reported in NPPES; status is on the state search - Practice location
- 8043 2ND St, Downey, CA 90241
- Phone
- (562) 862-1134
- Enumerated
- Jun 28, 2005
- Record last updated
- Jun 9, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (562) 861-9895
- Medicaid ID
- 00G742851 CA
- Medicare enrollment
- Enrolled (PECOS I20101112000966); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 1990
- Entity
- Type 1 · individual
8 nearest neurological surgery physician records → All 929 in California → Look up another NPI →
Also registered at 8043 2ND St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Duc Duong, M.D.Neurological Surgery Physician1598761181
- Lisa Johnson, M.S.N., NP-CNurse Practitioner1750388716
- Khalifa Mansour, MDNeurology Physician1538166418
Verify Daniel R. Lemay in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G74285Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average neurological surgery physician in 2024
32 Medicare Part D claims for 16 beneficiaries, against an average of 172 among the 4,378 providers of this specialty who prescribed in Part D.
Most prescribed
- Cyclobenzaprine Hcl14 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 one group practice
- Daniel R. Lemay MD Phd IncDowney, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Daniel R. Lemay among 929 neurological surgery physician records in California
Daniel R. Lemay, MD, PH. D. is one of 929 neurological surgery physician records with a practice address in California. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 95% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1990 · median 2005 among the 612 with a school on file
- Record last updated2014 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207T00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurological Surgery Physician providers in California
There are 929 neurological surgery physician records in California.
All 929 in California → Every provider in Downey → Neurological Surgery Physician nationwide →
The 8 neurological surgery physician records with the nearest ZIP codes
- Duc Duong, M.D.Downey, CA 902411598761181
- Mindy Aisen, MDDowney, CA 902421669792693
- Donald Miller, M.D.Gardena, CA 902471316166770
- Fardad Mobin, M.D.Beverly Hills, CA 902121659316156
- Earle Crandall, M.D.Beverly Hills, CA 902111275605271
- Zachary BarnardBeverly Hills, CA 902101306216726
- Paul Dwan, M.D.Pacific Palisades, CA 902721275551897
- Joel Beckett, M.D., M.H.S.Marina Del Rey, CA 902921962764480
Common questions
What is Daniel R. Lemay, MD, PH. D.'s NPI number?
Daniel R. Lemay, MD, PH. D.'s National Provider Identifier (NPI) is 1356347959, issued on Jun 28, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Daniel R. Lemay, MD, PH. D. located?
The NPPES record lists a practice address at 8043 2ND St, Downey, CA, 90241. Phone: (562) 862-1134. Providers update this record themselves, so call before visiting.
How can I verify Daniel R. Lemay, MD, PH. D.'s license?
NPPES lists California license number G74285, 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 R. Lemay, MD, PH. D. prescribe under Medicare Part D?
In 2024, Daniel R. Lemay, MD, PH. D. had 32 Medicare Part D claims for 16 beneficiaries; the average among neurological surgery physician prescribers was 172. 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.