RAINA M ERNSTOFF MD PLLC
NPI 1649041831
Psychiatry & Neurology - Neurology in Royal Oak, MI

Q: What is Raina M Ernstoff MD PLLC's NPI number?

The NPI number for Raina M Ernstoff MD PLLC is 1649041831. It was assigned to this organization in the NPPES registry on January 16, 2024.

Q: What is Raina M Ernstoff MD PLLC's specialty?

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

Active since January 16, 2024

3535 W 13 MILE RD, SUITE 747, ROYAL OAK, MI 48073(248) 435-5700(248) 435-3128 Get Directions Write a Review

NPPES record last updated: January 16, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Raina M Ernstoff Md Pllc NPPES

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

RAINA M ERNSTOFF MD PLLC (NPI 1649041831) is a healthcare organization registered as a neurology in Royal Oak, Michigan and active in the NPI registry since January 2024. The organization lists Raina Marcia Ernstoff, President/neurologist, as its authorized official.

NPPES Registry Identity

NPI1649041831

Entity TypeOrganization

Primary Taxonomy2084N0400X

Legal Business NameRAINA M ERNSTOFF MD PLLC

Location Address3535 W 13 MILE RD, SUITE 747Royal Oak, MI 48073

Mailing Address4555 Private Lake DriveBloomfield Township, MI 48301 · (248) 435-5700 · Fax (248) 435-3128

Phone(248) 435-5700

Fax(248) 435-3128

Organization SubpartNo

Authorized OfficialRaina Marcia ErnstoffPresident/neurologist · (248) 435-5700

Enumeration DateJanuary 16, 2024

✔ NPI 1649041831 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians

Taxonomy Code2084N0400X

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.

3535 W 13 MILE RD, SUITE 747, Royal Oak, MI 48073

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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 SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Raina M Ernstoff Md Pllc 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 Raina M Ernstoff MD PLLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Raina Ernstoff, MD

Neurology

NPI 1346212214

3535 W 13 MILE RD SUITE 747
Royal Oak, MI 48073

(248) 435-5700

✔ 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 Raina M Ernstoff MD PLLC's NPI number?

The NPI number for Raina M Ernstoff MD PLLC is 1649041831. It was assigned to this organization in the NPPES registry on January 16, 2024.

Where is Raina M Ernstoff MD PLLC located?

Raina M Ernstoff MD PLLC is located at 3535 W 13 Mile Rd, Suite 747, Royal Oak, MI 48073. The listed phone number is (248) 435-5700.

What is Raina M Ernstoff MD PLLC's specialty?

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

Is Raina M Ernstoff MD PLLC enrolled in Medicare?

Yes. Raina M Ernstoff MD PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Raina M Ernstoff MD PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Neurology) reassigns their Medicare billing to Raina M Ernstoff MD PLLC. 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.

What insurance does Raina M Ernstoff MD PLLC accept?

Health plans from Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company list Raina M Ernstoff MD PLLC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Raina M Ernstoff MD PLLC was last updated on January 16, 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.