Quick answers
- Which hospitals does Katrina L. Diederichs work at?
- Medicare's official clinician data lists Katrina L. Diederichs at 1 hospital: Wentworth-Douglass Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Katrina L. Diederichs see patients?
- Medicare's clinician data lists 3 practice locations, including Dover, NH. Call before your visit to confirm the address.
- What is Katrina L. Diederichs's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Katrina L. Diederichs accept Medicare assignment?
- Yes. Medicare's clinician data says Katrina L. Diederichs 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 Katrina L. Diederichs's NPI number?
- 1821023607. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Katrina L. Diederichs works
Medicare's Facility Affiliation Data lists Katrina L. Diederichs at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Wentworth-Douglass HospitalDover, NH · Acute Care Hospital · CCN 300018
Practice locations
Addresses where Katrina L. Diederichs is enrolled with Medicare (CMS data updated 2026-10-02).
- 10 Members Way Fl, Suite 5Dover, NH 03820
- 121 BroadwayDover, NH 03820
- 789 Central AveDover, NH 03820
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Dover
Clinicians with the same Medicare primary specialty in Dover, NH — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2002 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1821023607 |
| 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