Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Emergency Medicine

Aaron McPheters, MD

Works at hospitals in Rochester, NH · Portsmouth, NH · New Hampshire

Summary

Aaron McPheters, MD (Emergency Medicine) is listed by Medicare at 2 hospitals in Rochester, NH and Portsmouth, NH. NPI 1609370311. 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 Aaron McPheters, 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

Emergency MedicinePrimary specialty
YesAccepts Medicare assignment
6Years since medical school (graduated 2020)
University Of Louisville School Of MedicineMedical school
MaleGender (as listed)
Emergency Medicine Services of NH, LLCGroup practice

Quick answers

Which hospitals does Aaron McPheters work at?
Medicare's official clinician data lists Aaron McPheters at 2 hospitals: Frisbie Memorial Hospital and Portsmouth Regional Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Aaron McPheters see patients?
Medicare's clinician data lists 1 practice location in Portsmouth, NH. Call before your visit to confirm the address.
What is Aaron McPheters's specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does Aaron McPheters accept Medicare assignment?
Yes. Medicare's clinician data says Aaron McPheters 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 Aaron McPheters?
(603) 436-5110, as listed in official Medicare / NPI Registry data.
What is Aaron McPheters's NPI number?
1609370311. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Aaron McPheters works

Medicare's Facility Affiliation Data lists Aaron McPheters 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 Aaron McPheters is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Aaron McPheters as a member of this group (CMS data updated 2026-10-02).

  • Emergency Medicine Services of NH, LLC67 clinicians in the group

Specialties

Find other Emergency Medicine doctors in New Hampshire →

Other emergency medicine doctors in Portsmouth

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

All emergency medicine doctors in Portsmouth →

Clinician information

CredentialMD
Medical schoolUniversity Of Louisville School Of Medicine
Graduation year2020
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1609370311
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