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David Grellmann, M.D.
NPI 1205824570 · Family Medicine Physician · Granger, IN
David Grellmann, M.D. is a Family Medicine Physician provider in Granger, IN (NPI 1205824570).
Provider details
- NPI number
- 1205824570
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 01052373A (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(100/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
4 documented practice locations
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
6913 N Main St
Granger, IN 46530-9601
Phone: (574) 647-1500
Fax: (574) 243-4306
Street-level locationGet directions
Mailing address
3245 Health Drive
Granger, IN 46530-3245
Additional practice locations (3)
- 3301 County Road 6 EElkhart, IN 46514-7673Phone: (574) 266-5342Fax: (574) 266-5847
- 2222 Rieth BlvdSuite 100Goshen, IN 46526-5869Phone: (574) 875-1200
- 1815 E Ireland RdSouth Bend, IN 46614-2845Phone: (574) 647-1750Fax: (574) 647-1748
Registry dates
- Enumerated
- 2005-10-11
- Last updated
- 2023-04-28
- Certified
- 2023-04-28
Frequently asked questions
- What is David Grellmann's NPI number?
- David Grellmann's National Provider Identifier (NPI) is 1205824570, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Grellmann's specialty?
- David Grellmann is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is David Grellmann located?
- David Grellmann's practice location on file with NPPES is 6913 N Main St, Granger, IN 46530-9601.
- What is David Grellmann's phone number?
- The practice phone number listed in the NPPES registry for David Grellmann is (574) 647-1500.
- Is David Grellmann's NPI active?
- Yes — David Grellmann's NPI (1205824570) is active in the NPPES registry as of the last update on 2023-04-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.