Quick answers
- Which hospitals does Marissa Souther work at?
- Medicare's official clinician data lists Marissa Souther at 3 hospitals: Elliot Hospital, Exeter Hospital Inc and Lowell General Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Marissa Souther see patients?
- Medicare's clinician data lists 1 practice location in Exeter, NH. Call before your visit to confirm the address.
- What is Marissa Souther's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Marissa Souther accept Medicare assignment?
- Yes. Medicare's clinician data says Marissa Souther 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 Marissa Souther offer telehealth?
- Medicare's clinician data says Marissa Souther offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Marissa Souther?
- (603) 775-0000, as listed in official Medicare / NPI Registry data.
- What is Marissa Souther's NPI number?
- 1164986758. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Marissa Souther works
Medicare's Facility Affiliation Data lists Marissa Souther at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Elliot HospitalManchester, NH · Acute Care Hospital · CCN 300012
- Exeter Hospital IncExeter, NH · Acute Care Hospital · CCN 300023
- Lowell General HospitalLowell, MA · Acute Care Hospital · CCN 220063
Practice locations
Addresses where Marissa Souther is enrolled with Medicare (CMS data updated 2026-10-02).
- 21 Hampton Rd, Suite 3Exeter, NH 03833 (603) 775‑0000
Group practices
Medicare enrollment lists Marissa Souther as a member of this group (CMS data updated 2026-10-02).
- Core Physicians LLC289 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Exeter
Clinicians with the same Medicare primary specialty in Exeter, NH — not a recommendation.
Clinician information
| Graduation year | 2018 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1164986758 |
| 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