ADVANCED NEUROLOGY GROUP
NPI 1861617078
Psychiatry & Neurology - Neurology in Alhambra, CA
About Advanced Neurology Group NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ADVANCED NEUROLOGY GROUP (NPI 1861617078) is a healthcare organization registered as a neurology in Alhambra, California and active in the NPI registry since April 2007. The organization lists Michael P Tan, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Advanced Neurology Group 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 Advanced Neurology Group, which bills Medicare for the services this clinician delivers.
Clinician (1)
Alhambra, CA 91803
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 Dr Michael P Tan D O Inc's NPI number?
The NPI number for Dr Michael P Tan D O Inc is 1861617078. It was assigned to this organization in the NPPES registry on April 14, 2007. The provider is doing business as Advanced Neurology Group.
Where is Dr Michael P Tan D O Inc located?
Dr Michael P Tan D O Inc is located at 1200 S Atlantic Blvd Suite 128, Alhambra, CA 91803. The listed phone number is (626) 308-3981.
What is Dr Michael P Tan D O Inc's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is Dr Michael P Tan D O Inc enrolled in Medicare?
Yes. Dr Michael P Tan D O Inc is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Dr Michael P Tan D O Inc?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Neurology) reassigns their Medicare billing to Dr Michael P Tan D O Inc. 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 Dr Michael P Tan D O Inc was last updated on April 4, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Advanced Neurology Group · NPI 1861617078
Neurology organization in Alhambra, California. Organization record, active in the CMS NPPES registry since April 14, 2007.
## Identity
- **NPI:** 1861617078 (Entity type: Organization)
- **Enumerated:** April 14, 2007
- **Primary specialty:** Psychiatry & Neurology - Neurology · taxonomy 2084N0400X
- **Legal business name:** Dr Michael P Tan D O Inc
- **Organization subpart:** No
- **Authorized official:** Michael Tan, PRESIDENT
## Practice location
- **Address:** 1200 S ATLANTIC BLVD, SUITE 128, Alhambra, CA 91803-2408
- **Phone:** (626) 308-3981
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Neurology) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 4, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1861617078) · Data from the CMS NPPES public registry.