GRUNBERGER DIABETES MEDICAL CENTER, PC
NPI 1215154497
Internal Medicine - Endocrinology, Diabetes & Metabolism in Bloomfield Hills, MI

Q: What is Grunberger Diabetes Medical Center, PC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Active since April 19, 2007

43494 WOODWARD AVE, SUITE 208, BLOOMFIELD HILLS, MI 48302(248) 335-7740(248) 338-7979 Get Directions Write a Review

NPPES record last updated: July 2, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Grunberger Diabetes Medical Center, Pc NPPES

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

GRUNBERGER DIABETES MEDICAL CENTER, PC (NPI 1215154497), doing business as Grunberger Diabetes & Endocrinology, is a healthcare organization registered as an endocrinology, diabetes & metabolism in Bloomfield Hills, Michigan and active in the NPI registry since April 2007. The organization lists George Grunberger, Chairman, as its authorized official.

NPPES Registry Identity

NPI1215154497

Entity TypeOrganization

Primary Taxonomy207RE0101X

Legal Business NameGRUNBERGER DIABETES MEDICAL CENTER, PC

Location Address43494 WOODWARD AVE, SUITE 208Bloomfield Hills, MI 48302-5052

Mailing Address43494 Woodward Ave, Suite 208Bloomfield Hills, MI 48302-5052 · (248) 335-7740 · Fax (248) 338-7979

Phone(248) 335-7740

Fax(248) 338-7979

Organization SubpartNo

Authorized OfficialGeorge GrunbergerChairman · (248) 335-7740

Enumeration DateApril 19, 2007

Last NPPES UpdateJuly 2, 2025

NPPES CertifiedJuly 2, 2025

✔ NPI 1215154497 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians

Taxonomy Code207RE0101X

License✔ Licensed in MI · 4301049764

Definition

An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.

43494 WOODWARD AVE, Bloomfield Hills, MI 48302

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Other Names 1

Doing Business AsGrunberger Diabetes & Endocrinology

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 Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.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)

Grunberger Diabetes Medical Center, Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 5 clinicians reassign Medicare billing to Grunberger Diabetes Medical Center, PC, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 3 within 10 miles. They are listed nearest first.

Clinicians, nearest first (5)

George Grunberger, MD

Internal Medicine

NPI 1477558450

43494 WOODWARD AVE STE 208
Bloomfield Hills, MI 48302

(248) 335-7740

✔ PECOS✔ Accepts MedicareSame address

Anjana Myneni, M.D.

Endocrinology

NPI 1316063274

43494 WOODWARD AVE SUITE 208
Bloomfield Hills, MI 48302

(248) 335-7740

✔ PECOS✔ Accepts MedicareSame address

Renalda Dashi

Nurse Practitioner

NPI 1538892310

27207 LAHSER RD STE 200B
Southfield, MI 48034

(248) 234-6797

✔ PECOS8.3 mi

Amy Tobin, DO

Endocrinology

NPI 1093743007

38731 MOUND ROAD SUITE 200
Sterling Heights, MI 48310

(586) 939-8480

✔ PECOS✔ Accepts Medicare11 mi

Monika Milenkoski

Nurse Practitioner

NPI 1699601450

16525 BROOKWOOD DR
Clinton Twp, MI 48038

(586) 306-0320

✔ PECOS16 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 Grunberger Diabetes Medical Center, PC's NPI number?

The NPI number for Grunberger Diabetes Medical Center, PC is 1215154497. It was assigned to this organization in the NPPES registry on April 19, 2007. The provider is doing business as Grunberger Diabetes & Endocrinology.

Where is Grunberger Diabetes Medical Center, PC located?

Grunberger Diabetes Medical Center, PC is located at 43494 Woodward Ave Suite 208, Bloomfield Hills, MI 48302. The listed phone number is (248) 335-7740.

What is Grunberger Diabetes Medical Center, PC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Grunberger Diabetes Medical Center, PC enrolled in Medicare?

Yes. Grunberger Diabetes Medical Center, PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Grunberger Diabetes Medical Center, PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 5 clinicians reassign their Medicare billing to Grunberger Diabetes Medical Center, PC, in Endocrinology, Internal Medicine 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, 2 practice at this address and 3 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Grunberger Diabetes Medical Center, PC accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company list Grunberger Diabetes Medical Center, PC 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 Grunberger Diabetes Medical Center, PC was last updated on July 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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.