Are you Dr. Grunberger? This profile is yours to edit: update your address, phone, photo and services.

Edit this profile

Physician Profile

George Grunberger, MD

Is this you? Edit this profile

At a glance

About Dr. Grunberger

Based in Bloomfield Hills, MI, George Grunberger, MD is listed in the NPI registry under endocrinology, diabetes & metabolism. George graduated from New York University School of Medicine in 1977. According to Medicare claims data, George cared for 1,099 Medicare patients across 2,510 services. The services billed most often include hemoglobin a1c level, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report. NPI 1477558450 identifies this record in the national registry.

Factual summary compiled by Guide.md from public records; not written by this provider.

Education & Training

Credentials & Licensing

MI licenceAs reported to the NPI registry
No. 4301049764As reported
NPINational Provider Identifier
1477558450Issued 2005

As reported to the NPI registry ↗

Medicare information

Accepts Medicare assignmentYes
Medicare opt-outNo
Can order and refer in MedicareYes

Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.

Common questions

What does Dr. Grunberger specialize in?

Dr. Grunberger is an endocrinologist in Bloomfield Hills, MI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Endocrinology, Diabetes & Metabolism”.

NPI registry

Where is Dr. Grunberger located?

Dr. Grunberger is listed at 43494 Woodward Ave Ste 208, Bloomfield Hills, MI 48302. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Dr. Grunberger's phone number?

The number on file is (248) 335-7740. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Dr. Grunberger's NPI number?

Dr. Grunberger's National Provider Identifier is 1477558450. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.

NPI registry

Where did Dr. Grunberger go to medical school?

Dr. Grunberger attended New York University School of Medicine, graduating in 1977. This comes from the CMS National Downloadable File.

CMS public data

How long has Dr. Grunberger been practicing?

Dr. Grunberger has 49 years experience. Calculated from a graduation year of 1977, reported in the CMS National Downloadable File.

CMS public data

What does Dr. Grunberger do most often?

According to Medicare billing data, Dr. Grunberger provides treatments such as continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report and training for self-care or home management, each 15 minutes, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Has Dr. Grunberger confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Dr. Grunberger. If this is you, claiming it is free.

Guide.md

Guide.md listings do not constitute medical advice or an endorsement.

A GigHz company · Founder: Pouyan Golshani, MD