DANIEL R. LEMAY, MD, PHD, INC
NPI 1669511408
Neurological Surgery in Downey, CA

Active since February 06, 2007
8043 2ND ST, #105, DOWNEY, CA 90241(562) 862-1134(562) 861-9895 Get Directions Write a Review

NPPES record last updated: June 22, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Daniel R. Lemay, Md, Phd, Inc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DANIEL R. LEMAY, MD, PHD, INC (NPI 1669511408) is a healthcare organization registered as a neurological surgery in Downey, California and active in the NPI registry since February 2007. The organization lists Daniel R Lemay, President, as its authorized official.

NPPES Registry Identity

NPI1669511408
Entity TypeOrganization
Primary Taxonomy207T00000X
Legal Business NameDANIEL R. LEMAY, MD, PHD, INC
Location Address8043 2ND ST, #105Downey, CA 90241-3621
Mailing Address8043 2nd St, #105Downey, CA 90241-3621 · (562) 862-1134 · Fax (562) 861-9895
Fax(562) 861-9895
Organization SubpartNo
Authorized OfficialDaniel R LemayPresident · (562) 862-1134
Enumeration DateFebruary 6, 2007
Last NPPES UpdateJune 22, 2020
NPPES CertifiedJune 22, 2020
✔ NPI 1669511408 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNeurological SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207T00000X
License✔ Licensed in CA · G74285
Definition
A neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems, including their supporting structures and vascular supply; the evaluation and treatment of pathological processes which modify function or activity of the nervous system; and the operative and non-operative management of pain. A neurological surgeon treats patients with disorders of the nervous system; disorders of the brain, meninges, skull, and their blood supply, including the extracranial carotid and vertebral arteries; disorders of the pituitary gland; disorders of the spinal cord, meninges, and vertebral column, including those which may require treatment by spinal fusion or instrumentation; and disorders of the cranial and spinal nerves throughout their distribution.
8043 2ND ST, Downey, CA 90241

Other Identifiers 1

Medicaid00G742851CA

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Daniel R. Lemay, Md, Phd, Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

3

Medicare enrollment records show 3 clinicians reassign Medicare billing to Daniel R. Lemay, MD, Phd, Inc, which bills Medicare for the services they deliver. Of these, 3 practice at this address. They are listed nearest first.

Clinicians, nearest first (3)

Nurse Practitioner
NPI 1750388716
8043 2ND ST STE 105
Downey, CA 90241
(562) 862-1134
✔ PECOSSame address
Neurosurgery
NPI 1356347959
8043 2ND ST STE 105
Downey, CA 90241
(562) 862-1134
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1396375275
8043 2ND ST STE 105
Downey, CA 90241
(562) 862-1134
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Daniel R. Lemay, MD, Phd, Inc's NPI number?

The NPI number for Daniel R. Lemay, MD, Phd, Inc is 1669511408. It was assigned to this organization in the NPPES registry on February 6, 2007.

Where is Daniel R. Lemay, MD, Phd, Inc located?

Daniel R. Lemay, MD, Phd, Inc is located at 8043 2nd St #105, Downey, CA 90241. The listed phone number is (562) 862-1134.

What is Daniel R. Lemay, MD, Phd, Inc's specialty?

The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.

Is Daniel R. Lemay, MD, Phd, Inc enrolled in Medicare?

Yes. Daniel R. Lemay, MD, Phd, Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Daniel R. Lemay, MD, Phd, Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to Daniel R. Lemay, MD, Phd, Inc, in Neurosurgery and Nurse Practitioner. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 3 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Daniel R. Lemay, MD, Phd, Inc was last updated on June 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.