Gary Gronstedt, D.O.
NPI 1780688531 · Psychiatry Physician · Willmar, MN
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gary Gronstedt, D.O. is a Psychiatry Physician provider in Willmar, MN (NPI 1780688531).
Provider details
- NPI number
- 1780688531
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 44987 (MN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
21 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
- 2005-06-09
- Last updated
- 2026-06-03
- Certified
- 2026-06-03
Frequently asked questions
- What is Gary Gronstedt's NPI number?
- Gary Gronstedt's National Provider Identifier (NPI) is 1780688531, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Gronstedt's specialty?
- Gary Gronstedt is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Gary Gronstedt located?
- Gary Gronstedt's practice location on file with NPPES is 2301 Transportation Rd, Willmar, MN 56201-3464.
- What is Gary Gronstedt's phone number?
- The practice phone number listed in the NPPES registry for Gary Gronstedt is (320) 441-0120.
- Does Gary Gronstedt accept Medicare?
- Gary Gronstedt is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gary Gronstedt's NPI active?
- Yes — Gary Gronstedt's NPI (1780688531) is active in the NPPES registry as of the last update on 2026-06-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.