DR. GARY J. GRONSTEDT D.O.
NPI 1780688531
Psychiatry & Neurology - Psychiatry in Willmar, MN

Active since June 09, 2005PECOS EnrolledAccepts Medicare Assignment
2301 TRANSPORTATION RD, WILLMAR, MN 56201(320) 441-0120(651) 431-7373 Get Directions Write a Review

NPPES record last updated: June 3, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jun 3, 2026, Mar 10, 2026 (2 updates tracked since 2026).

About Dr. Gary J. Gronstedt D.o. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. GARY J. GRONSTEDT D.O. (NPI 1780688531) is an individual psychiatry provider in Willmar, Minnesota, licensed in Minnesota (44987) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS, is affiliated with Ridgeview Medical Center, and is a graduate of Kansas City University Of Physicians And Surgeons (1991).

NPPES Registry Identity

NPI1780688531
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. GARY J. GRONSTEDTCredential: D.O.
Location Address2301 TRANSPORTATION RDWillmar, MN 56201-3464
Mailing Address2301 Transportation RdWillmar, MN 56201-3464 · (320) 441-0120 · Fax (651) 431-7373
Fax(651) 431-7373
Sole ProprietorNo
Medical School CMSKansas City University Of Physicians And SurgeonsGraduated 1991
Enumeration DateJune 9, 2005
Last NPPES UpdateJune 3, 20262 updates tracked since enumeration
NPPES CertifiedJune 3, 2026
✔ NPI 1780688531 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in MN · 44987
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
Also ListedPsychiatry & Neurology · Child & Adolescent PsychiatryTaxonomy 2084P0804X · License 44987 (MN)
2301 TRANSPORTATION RD, Willmar, MN 56201

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Gary J. Gronstedt D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2163400417
PECOS Enrollment IDI20040712001539
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

4

Medicare enrollment records show Gary Gronstedt reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Psychiatric Hospital
2301 TRANSPORTATION RD
Willmar, MN 56201
  • Reassigned Medicare billing, Minnesota enrollment
  • Medicare enrollment name: Child & Adolescent Behavioral Health Services
  • 11 clinicians in this Medicare group
General Acute Care Hospital
500 S MAPLE ST
Waconia, MN 55387
  • Reassigned Medicare billing, Minnesota enrollment
  • 581 clinicians in this Medicare group
Primary Care
14040 NORTHDALE BLVD, STE 10
Rogers, MN 55374
  • Reassigned Medicare billing, Minnesota enrollment
  • 2,302 clinicians in this Medicare group
General Acute Care Hospital
911 NORTHLAND DR
Princeton, MN 55371
  • Reassigned Medicare billing, Minnesota enrollment
  • 4,038 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Ridgeview Medical Center

Acute Care Hospitals · Waconia, MN
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number240056
Location500 South Maple StreetWaconia, MN 55387 · Carver County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 56201 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$168.28 typical visit price
range $56.00 – $168.28
Typical copayment $42.07 (range $14.00 – $42.07)
Most-billed visit code 99205
Established Patient
$69.74 typical visit price
range $18.32 – $138.04
Typical copayment $17.43 (range $4.58 – $34.51)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Psychiatric Hospital
2301 TRANSPORTATION RD
WILLMAR, MN 56201
Counselor (Mental Health)
2301 TRANSPORTATION RD
WILLMAR, MN 56201
Social Worker (Clinical)
2301 TRANSPORTATION RD
WILLMAR, MN 56201
Counselor (Professional)
2301 TRANSPORTATION RD
WILLMAR, MN 56201
Nurse Practitioner (Psychiatric/Mental Health)
2301 TRANSPORTATION RD
WILLMAR, MN 56201

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Gary Gronstedt's NPI number?

The NPI number for Gary Gronstedt is 1780688531. It was assigned to this individual provider in the NPPES registry on June 9, 2005.

Where is Gary Gronstedt located?

Gary Gronstedt practices at 2301 Transportation Rd, Willmar, MN 56201. The listed phone number is (320) 441-0120.

What is Gary Gronstedt's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Gary Gronstedt enrolled in Medicare?

Yes. Gary Gronstedt is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Gary Gronstedt's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gary Gronstedt reassigns Medicare benefits to 4 organizations: Child And Adolescent Behavioral Health Services (Willmar, MN), Ridgeview Medical Center (Waconia, MN), Fairview Clinics (Rogers, MN) and Fairview Health Services (Princeton, MN). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Gary Gronstedt's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Gary Gronstedt affiliated with any hospitals?

According to CMS data, Gary Gronstedt is affiliated with Ridgeview Medical Center.

When was this NPI record last updated?

The NPPES record for Gary Gronstedt was last updated on June 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.