Larry Grong, D.O.
NPI 1871653758 · Internal Medicine Physician · Dawson, MN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Larry Grong, D.O. is a Internal Medicine Physician provider in Dawson, MN (NPI 1871653758).
Provider details
- NPI number
- 1871653758
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 39995 (MN)
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
3 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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 65 | 15 |
| Omeprazole | 60 | 14 |
| Amlodipine Besylate | 48 | 12 |
| Metoprolol Succinate | 42 | 13 |
| Rosuvastatin Calcium | 38 | 13 |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 33 | — |
| Levothyroxine Sodium |
Practice location
Mailing address
Additional practice locations (2)
- 900 2nd AveMadison, MN 56256-1006Phone: (329) 598-7551Fax: (320) 598-3798
- 900 2nd AveMadison, MN 56256-1006Phone: (329) 598-7551Fax: (320) 598-3798
Registry dates
- Enumerated
- 2006-12-11
- Last updated
- 2022-03-18
- Certified
- 2022-03-18
Frequently asked questions
- What is Larry Grong's NPI number?
- Larry Grong's National Provider Identifier (NPI) is 1871653758, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Larry Grong's specialty?
- Larry Grong is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Larry Grong located?
- Larry Grong's practice location on file with NPPES is 1282 Walnut St, Dawson, MN 56232.
- What is Larry Grong's phone number?
- The practice phone number listed in the NPPES registry for Larry Grong is (320) 769-7393.
- Does Larry Grong accept Medicare?
- Larry Grong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Larry Grong's NPI active?
- Yes — Larry Grong's NPI (1871653758) is active in the NPPES registry as of the last update on 2022-03-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.