Gregory Grewe, MD
NPI 1306871769 · Diagnostic Radiology Physician · Green Bay, WI
Gregory Grewe, MD is a Diagnostic Radiology Physician provider in Green Bay, WI (NPI 1306871769).
Provider details
- NPI number
- 1306871769
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 30051-020 (WI)
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
Registry dates
- Enumerated
- 2006-07-12
- Last updated
- 2017-12-05
Frequently asked questions
- What is Gregory Grewe's NPI number?
- Gregory Grewe's National Provider Identifier (NPI) is 1306871769, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Grewe's specialty?
- Gregory Grewe is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Grewe located?
- Gregory Grewe's practice location on file with NPPES is 1789 Shawano Ave, Green Bay, WI 54303.
- What is Gregory Grewe's phone number?
- The practice phone number listed in the NPPES registry for Gregory Grewe is (920) 499-1428.
- Is Gregory Grewe's NPI active?
- Yes — Gregory Grewe's NPI (1306871769) is active in the NPPES registry as of the last update on 2017-12-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.