Quick answers
- Which hospitals does Aaron R. Holmgren work at?
- Medicare's official clinician data lists Aaron R. Holmgren at 5 hospitals: CentraCare - Benson, CentraCare - Redwood, CentraCare - St. Cloud Hospital, CentraCare Health System - Sauk Centre and Centracare- Rice Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Aaron R. Holmgren see patients?
- Medicare's clinician data lists 3 practice locations, including Waite Park, MN and Saint Cloud, MN. Call before your visit to confirm the address.
- What is Aaron R. Holmgren's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Rheumatology.
- Does Aaron R. Holmgren accept Medicare assignment?
- Yes. Medicare's clinician data says Aaron R. Holmgren accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Aaron R. Holmgren?
- (320) 259-9375, as listed in official Medicare / NPI Registry data.
- What is Aaron R. Holmgren's NPI number?
- 1386624310. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Aaron R. Holmgren works
Medicare's Facility Affiliation Data lists Aaron R. Holmgren at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- CentraCare - BensonBenson, MN · Critical Access Hospital · CCN 241365
- CentraCare - RedwoodRedwood Falls, MN · Critical Access Hospital · CCN 241351
- CentraCare - St. Cloud HospitalSaint Cloud, MN · Acute Care Hospital · CCN 240036
- CentraCare Health System - Sauk CentreSauk Centre, MN · Critical Access Hospital · CCN 241368
- Centracare- Rice Memorial HospitalWillmar, MN · Acute Care Hospital · CCN 240088
Practice locations
Addresses where Aaron R. Holmgren is enrolled with Medicare (CMS data updated 2026-10-02).
- 110 2nd St S, Suite 104Waite Park, MN 56387 (320) 259‑9375
- 1406 6th Ave NSaint Cloud, MN 56303 (320) 251‑2700
- 1900 Centracare Cir, Suite 2400Saint Cloud, MN 56303 (320) 252‑2422
Group practices
Medicare enrollment lists Aaron R. Holmgren as a member of this group (CMS data updated 2026-10-02).
- St Cloud Hospital207 clinicians in the group
Specialties
- Internal Medicineprimary
- Rheumatologyalso
Other internal medicine doctors in Waite Park
Clinicians with the same Medicare primary specialty in Waite Park, MN — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Minnesota Medical School |
| Graduation year | 2001 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1386624310 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians