Grunberger Diabetes Medical Center, PC
NPI 1215154497 · Endocrinology, Diabetes & Metabolism Physician · Bloomfield Hills, MI
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Grunberger Diabetes Medical Center, PC is a Endocrinology, Diabetes & Metabolism Physician organization in Bloomfield Hills, MI (NPI 1215154497).
Provider details
- NPI number
- 1215154497
- Entity type
- Organization
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- George Grunberger, Chairman(248) 335-7740
- License
- 4301049764 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Other names (DBA / former)
- Doing business as
- Grunberger Diabetes & Endocrinology
Registry dates
- Enumerated
- 2007-04-19
- Last updated
- 2025-07-02
- Certified
- 2025-07-02
Frequently asked questions
- What is Grunberger Diabetes Medical Center, PC's NPI number?
- Grunberger Diabetes Medical Center, PC's National Provider Identifier (NPI) is 1215154497, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Grunberger Diabetes Medical Center, PC?
- Grunberger Diabetes Medical Center, PC is classified in the NPPES registry as Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Grunberger Diabetes Medical Center, PC located?
- Grunberger Diabetes Medical Center, PC's practice location on file with NPPES is 43494 Woodward Ave, Bloomfield Hills, MI 48302-5052.
- What is Grunberger Diabetes Medical Center, PC's phone number?
- The practice phone number listed in the NPPES registry for Grunberger Diabetes Medical Center, PC is (248) 335-7740.
- Does Grunberger Diabetes Medical Center, PC accept Medicare?
- Grunberger Diabetes Medical Center, PC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Grunberger Diabetes Medical Center, PC?
- The authorized official listed on Grunberger Diabetes Medical Center, PC's NPPES record is George Grunberger, Chairman. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Grunberger Diabetes Medical Center, PC's NPI active?
- Yes — Grunberger Diabetes Medical Center, PC's NPI (1215154497) is active in the NPPES registry as of the last update on 2025-07-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.