Quick answers
- Which hospitals does Gretchen A. Herrmann work at?
- Medicare's official clinician data lists Gretchen A. Herrmann at 1 hospital: Northfield Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gretchen A. Herrmann see patients?
- Medicare's clinician data lists 10 practice locations, including Apple Valley, MN, Lakeville, MN and Northfieldm, MN. Call before your visit to confirm the address.
- What is Gretchen A. Herrmann's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Gretchen A. Herrmann accept Medicare assignment?
- Yes. Medicare's clinician data says Gretchen A. Herrmann 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 Gretchen A. Herrmann?
- (612) 262-1166, as listed in official Medicare / NPI Registry data.
- What is Gretchen A. Herrmann's NPI number?
- 1669677464. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gretchen A. Herrmann works
Medicare's Facility Affiliation Data lists Gretchen A. Herrmann at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Northfield HospitalNorthfield, MN · Acute Care Hospital · CCN 240014
Practice locations
Addresses where Gretchen A. Herrmann is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 10; the Medicare profile lists all.
- 14655 Galaxie AveApple Valley, MN 55124
- 18465 Orchard TrlLakeville, MN 55044
- 18465 Orchard Trl, Suite 190Lakeville, MN 55044 (612) 262‑1166
- 2000 N A VeNorthfieldm, MN 55057
- 2000 N AveNorthfield, MN 55057
Group practices
Medicare enrollment lists Gretchen A. Herrmann as a member of these groups (CMS data updated 2026-10-02).
- Allina Health System3,842 clinicians in the group
- Northfield Hospital121 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Apple Valley
Clinicians with the same Medicare primary specialty in Apple Valley, MN — not a recommendation.
Clinician information
| Graduation year | 2008 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1669677464 |
| 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