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Physician Assistant

Nathaniel T. Nieva

Works at hospitals in Concord, NH · Laconia, NH · Manchester, NH … · New Hampshire

Summary

Nathaniel T. Nieva (Physician Assistant) is listed by Medicare at 4 hospitals in Concord, NH, Laconia, NH and Manchester, NH and other places. NPI 1619616901. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Nathaniel T. Nieva, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Physician AssistantPrimary specialty
YesAccepts Medicare assignment
4Years since medical school (graduated 2022)
MaleGender (as listed)
Northeast Orthopaedic Alliance PLLCGroup practice

Quick answers

Which hospitals does Nathaniel T. Nieva work at?
Medicare's official clinician data lists Nathaniel T. Nieva at 4 hospitals: Concord Hospital, Concord Hospital- Laconia, Elliot Hospital and New London Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Nathaniel T. Nieva see patients?
Medicare's clinician data lists 2 practice locations, including Plymouth, NH and Concord, NH. Call before your visit to confirm the address.
What is Nathaniel T. Nieva's specialty?
Medicare lists Physician Assistant as the primary specialty.
Does Nathaniel T. Nieva accept Medicare assignment?
Yes. Medicare's clinician data says Nathaniel T. Nieva 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 Nathaniel T. Nieva?
(603) 224-3368, as listed in official Medicare / NPI Registry data.
What is Nathaniel T. Nieva's NPI number?
1619616901. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Nathaniel T. Nieva works

Medicare's Facility Affiliation Data lists Nathaniel T. Nieva at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Nathaniel T. Nieva is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Nathaniel T. Nieva as a member of this group (CMS data updated 2026-10-02).

  • Northeast Orthopaedic Alliance PLLC291 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, New Hampshire →

Other physician assistants in Plymouth

Clinicians with the same Medicare primary specialty in Plymouth, NH — not a recommendation.

All physician assistants in Plymouth →

Clinician information

Graduation year2022
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1619616901
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians