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NEUROLOGY FIRST
NPI 1134549975
Psychiatry & Neurology - Neurology in San Marcos, CA

Active since April 20, 2014
838 NORDAHL RD STE 310, SAN MARCOS, CA 92069(442) 999-5977(442) 999-5914 Get Directions Write a Review

NPPES record last updated: February 24, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Neurology First NPPES

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

NEUROLOGY FIRST (NPI 1134549975) is a healthcare organization registered as a neurology in San Marcos, California and active in the NPI registry since April 2014. The organization lists Aziz Noor Ander, Ceo, as its authorized official.

NPPES Registry Identity

NPI1134549975
Entity TypeOrganization
Primary Taxonomy2084N0400X
Legal Business NameNEUROLOGY FIRST
Location Address838 NORDAHL RD STE 310San Marcos, CA 92069-3599
Mailing Address838 Nordahl Rd Ste 310San Marcos, CA 92069-3599 · (442) 999-5977 · Fax (442) 999-5914
Phone(442) 999-5977
Fax(442) 999-5914
Organization SubpartNo
Authorized OfficialAziz Noor AnderCeo · (760) 580-1018
Enumeration DateApril 20, 2014
Last NPPES UpdateFebruary 24, 2020
✔ NPI 1134549975 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
License✔ Licensed in CA · A118000
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
838 NORDAHL RD STE 310, San Marcos, CA 92069
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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 MULTIPLE 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)

Neurology First is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Neurology First, which bills Medicare for the services this clinician delivers.

Clinician (1)

Aziz Ander, M.D.
Neurology
NPI 1316131832
3907 WARING RD SUITE 2
Oceanside, CA 92056
(760) 631-3000
✔ PECOS✔ Accepts Medicare11 mi

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 Neurology First's NPI number?

The NPI number for Neurology First is 1134549975. It was assigned to this organization in the NPPES registry on April 20, 2014.

Where is Neurology First located?

Neurology First is located at 838 Nordahl Rd Ste 310, San Marcos, CA 92069. The listed phone number is (442) 999-5977.

What is Neurology First's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Neurology First enrolled in Medicare?

Yes. Neurology First is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Neurology First?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Neurology) reassigns their Medicare billing to Neurology First. 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Neurology First was last updated on February 24, 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.