DR. GEORGE GRUNBERGER MD
NPI 1477558450
Internal Medicine - Endocrinology, Diabetes & Metabolism in Bloomfield Hills, MI

Active since June 16, 2005PECOS EnrolledAccepts Medicare Assignment
43494 WOODWARD AVE, STE 208, BLOOMFIELD HILLS, MI 48302(248) 335-7740(248) 338-7979 Get Directions Write a Review

NPPES record last updated: October 10, 2011. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. George Grunberger Md NPPES

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

DR. GEORGE GRUNBERGER MD (NPI 1477558450) is an individual endocrinology, diabetes & metabolism provider in Bloomfield Hills, Michigan, licensed in Michigan (4301049764) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS, is affiliated with Northwestern Medicine Central Dupage Hospital, and is a graduate of New York University School Of Medicine (1977).

NPPES Registry Identity

NPI1477558450
Entity TypeIndividualMale
Primary Taxonomy207RE0101X
Provider Legal NameDR. GEORGE GRUNBERGERCredential: MD
Location Address43494 WOODWARD AVE, STE 208Bloomfield Hills, MI 48302-5054
Mailing Address43494 Woodward Ave, Ste 208Bloomfield Hills, MI 48302-5054 · (248) 335-7740 · Fax (248) 338-7979
Fax(248) 338-7979
Sole ProprietorYes
Medical School CMSNew York University School Of MedicineGraduated 1977
Enumeration DateJune 16, 2005
Last NPPES UpdateOctober 10, 2011
NPI 1477558450 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

Other Identifiers 4

Other37-1417837MI · Tax Id
Medicare UPINB48558MI
Medicare PINN50760001MI
Other0634461MI · Bcbs Michigan

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. George Grunberger Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6800882614
PECOS Enrollment IDI20100805000039
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 11

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
665 services240 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
581 services227 patients
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 95251
This procedure involves placing a small sensor under your skin to continuously monitor your blood sugar levels in tissue fluid. The data is interpreted and a report is generated to help manage your diabetes more effectively.
390 services141 patients
Blood glucose (sugar) level 82947
A blood glucose level test measures the amount of sugar in your blood. It's often used to monitor and manage conditions like diabetes. High or low levels can indicate a health issue. The test is usually done by pricking your finger for a small blood sample.
323 services131 patients
Training for self-care or home management, each 15 minutes 97535
This service involves training sessions, each lasting 15 minutes, focused on teaching you essential self-care or home management skills. You'll learn techniques to manage your health condition at home, promoting independence and enhancing your quality of life.
133 services41 patients
Urine microalbumin (protein) analysis 82044
Urine microalbumin analysis is a test that measures the amount of a protein called albumin in your urine. This protein is usually present in very small amounts, but higher levels can indicate kidney issues. The test is non-invasive and involves a simple urine sample.
104 services95 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Northwestern Medicine Central Dupage Hospital

Acute Care Hospitals · Winfield, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140242
Location25 North Winfield RoadWinfield, IL 60190 · Du Page County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48302 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$134.28 typical visit price
range $58.04 – $177.36
Typical copayment $33.57 (range $14.51 – $44.34)
Most-billed visit code 99204
Established Patient
$102.35 typical visit price
range $18.32 – $143.49
Typical copayment $25.58 (range $4.58 – $35.87)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
100%340 patients5/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 8

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Supplies for maintenance of insulin infusion catheter, per week A4224
DME-Other DME · category DE017N
7 suppliers46 claims551 services$18.26 avg. paid by Medicare
Supplies for external insulin infusion pump, syringe type cartridge, sterile, each A4225
DME-Other DME · category DE017N
5 suppliers43 claims1,410 services$2.31 avg. paid by Medicare
Supply allowance for adjunctive continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service A4238
DME-Medical/Surgical Supplies · category DA000N
2 suppliers12 claims12 services$165.89 avg. paid by Medicare
Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
32 suppliers70 claims283 services$6.37 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
14 suppliers25 claims54 services$1.04 avg. paid by Medicare
External ambulatory infusion pump, insulin E0784
DME-Other DME · category DE017N
3 suppliers50 claims50 services$306.06 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 15

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Psychiatry & Neurology (Neurology)
43494 WOODWARD AVE, SUITE 103
BLOOMFIELD HILLS, MI 48302
Nurse Practitioner (Family)
43494 WOODWARD AVE
BLOOMFIELD HILLS, MI 48302
Nurse Practitioner (Adult Health)
43494 WOODWARD AVE, SUITE 208
BLOOMFIELD HILLS, MI 48302
Psychiatry & Neurology (Neurology)
43494 WOODWARD AVE, SUITE 103
BLOOMFIELD HILLS, MI 48302
Internal Medicine
43494 WOODWARD AVE
BLOOMFIELD HILLS, MI 48302
Internal Medicine (Endocrinology, Diabetes & Metabolism)
43494 WOODWARD AVE, SUITE 208
BLOOMFIELD HILLS, MI 48302
Internal Medicine
43494 WOODWARD AVE, STE 103
BLOOMFIELD HILLS, MI 48302
Internal Medicine (Endocrinology, Diabetes & Metabolism)
43494 WOODWARD AVE, SUITE 208
BLOOMFIELD HILLS, MI 48302

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 George Grunberger's NPI number?

The NPI number for George Grunberger is 1477558450. It was assigned to this individual provider in the NPPES registry on June 16, 2005.

Where is George Grunberger located?

George Grunberger practices at 43494 Woodward Ave Ste 208, Bloomfield Hills, MI 48302. The listed phone number is (248) 335-7740.

What is George Grunberger's specialty?

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

Is George Grunberger enrolled in Medicare?

Yes. George Grunberger is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does George Grunberger accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list George Grunberger 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.

Is George Grunberger affiliated with any hospitals?

According to CMS data, George Grunberger is affiliated with Northwestern Medicine Central Dupage Hospital.

When was this NPI record last updated?

The NPPES record for George Grunberger was last updated on October 10, 2011. NPI Profile syncs with the weekly NPPES data releases published by CMS.