Quick answers
- Which hospitals does Jennifer Martinelli work at?
- Medicare's official clinician data lists Jennifer Martinelli at 3 hospitals: Essentia Health Duluth, Essentia Health St Mary's Medical Center and St Marys Hospital Superior. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jennifer Martinelli see patients?
- Medicare's clinician data lists 3 practice locations, including Duluth, MN and Hermantown, MN. Call before your visit to confirm the address.
- What is Jennifer Martinelli's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Jennifer Martinelli accept Medicare assignment?
- Yes. Medicare's clinician data says Jennifer Martinelli 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 Jennifer Martinelli?
- (218) 786-5360, as listed in official Medicare / NPI Registry data.
- What is Jennifer Martinelli's NPI number?
- 1881645356. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jennifer Martinelli works
Medicare's Facility Affiliation Data lists Jennifer Martinelli at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Essentia Health DuluthDuluth, MN · Acute Care Hospital · CCN 240019
- Essentia Health St Mary's Medical CenterDuluth, MN · Acute Care Hospital · CCN 240002
- St Marys Hospital SuperiorSuperior, WI · Critical Access Hospital · CCN 521329
Practice locations
Addresses where Jennifer Martinelli is enrolled with Medicare (CMS data updated 2026-10-02).
- 1600 Miller Trunk HwyDuluth, MN 55811 (218) 786‑5360
- 1600 Miller Trunk Hwy, Bldg CDuluth, MN 55811 (218) 786‑5360
- 4855 W Arrowhead RdHermantown, MN 55811 (218) 786‑3540
Group practices
Medicare enrollment lists Jennifer Martinelli as a member of these groups (CMS data updated 2026-10-02).
- The Duluth Clinic Ltd1,144 clinicians in the group
- Polinsky Medical Rehabilitation Center382 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Duluth
Clinicians with the same Medicare primary specialty in Duluth, MN — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1996 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1881645356 |
| 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