Quick answers
- Which hospitals does Martin J. Herrmann work at?
- Medicare's official clinician data lists Martin J. Herrmann at 5 hospitals: Mayo Clinic Health System - Cannon Falls, Mayo Clinic Health System - Mankato, Mayo Clinic Health System - Waseca, Mayo Clinic Health System New Prague and Mayo Clinic Health System St. James. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Martin J. Herrmann see patients?
- Medicare's clinician data lists 7 practice locations, including Mankato, MN, Saint James, MN and New Prague, MN. Call before your visit to confirm the address.
- What is Martin J. Herrmann's specialty?
- Medicare lists Family Practice as the primary specialty, and also Emergency Medicine.
- Does Martin J. Herrmann accept Medicare assignment?
- Yes. Medicare's clinician data says Martin J. 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.
- Does Martin J. Herrmann offer telehealth?
- Medicare's clinician data says Martin J. Herrmann offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Martin J. Herrmann?
- (507) 625-4031, as listed in official Medicare / NPI Registry data.
- What is Martin J. Herrmann's NPI number?
- 1821036054. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Martin J. Herrmann works
Medicare's Facility Affiliation Data lists Martin J. Herrmann at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mayo Clinic Health System - Cannon FallsCannon Falls, MN · Critical Access Hospital · CCN 241346
- Mayo Clinic Health System - MankatoMankato, MN · Acute Care Hospital · CCN 240093
- Mayo Clinic Health System - WasecaWaseca, MN · Critical Access Hospital · CCN 241345
- Mayo Clinic Health System New PragueNew Prague, MN · Critical Access Hospital · CCN 241361
- Mayo Clinic Health System St. JamesSt James, MN · Critical Access Hospital · CCN 241333
Practice locations
Addresses where Martin J. Herrmann is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 1025 Marsh StMankato, MN 56001 (507) 625‑4031
- 1101 Moulton and Parsons DrSaint James, MN 56081 (507) 375‑3261
- 301 2nd St NENew Prague, MN 56071 (952) 758‑4431
- 32021 County 24 BlvdCannon Falls, MN 55009 (507) 263‑6000
- 404 W Fountain StAlbert Lea, MN 56007 (507) 373‑2384
Group practices
Medicare enrollment lists Martin J. Herrmann as a member of these groups (CMS data updated 2026-10-02).
- Mayo Clinic Health System-Southwest Minnesota Region661 clinicians in the group
- Mayo Clinic Health System-Southeast Minnesota Region551 clinicians in the group
- Mayo Clinic Health System-St James76 clinicians in the group
- Mayo Clinic Health System-Lake City69 clinicians in the group
Specialties
- Family Practiceprimary
- Emergency Medicinealso
Other family doctors in Mankato
Clinicians with the same Medicare primary specialty in Mankato, MN — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Minnesota Medical School |
| Graduation year | 1990 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1821036054 |
| 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