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Internal Medicine

Thomas Rooney, DO

Works at hospitals in Exeter, NH · Rochester, NH · Wolfeboro, NH … · New Hampshire

Summary

Thomas Rooney, DO (Internal Medicine) is listed by Medicare at 4 hospitals in Exeter, NH, Rochester, NH and Wolfeboro, NH and other places. NPI 1336769389. 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 Thomas Rooney, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
6Years since medical school (graduated 2020)
University Of New England, College Of Osteo MedicineMedical school
MaleGender (as listed)
Hospital Medicine Services of NH, LLCGroup practice

Quick answers

Which hospitals does Thomas Rooney work at?
Medicare's official clinician data lists Thomas Rooney at 4 hospitals: Exeter Hospital Inc, Frisbie Memorial Hospital, Huggins Hospital and Portsmouth Regional Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Thomas Rooney see patients?
Medicare's clinician data lists 1 practice location in Portsmouth, NH. Call before your visit to confirm the address.
What is Thomas Rooney's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Thomas Rooney accept Medicare assignment?
Yes. Medicare's clinician data says Thomas Rooney 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 Thomas Rooney?
(603) 436-5110, as listed in official Medicare / NPI Registry data.
What is Thomas Rooney's NPI number?
1336769389. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Thomas Rooney works

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

Group practices

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

  • Hospital Medicine Services of NH, LLC85 clinicians in the group

Specialties

Find other Internal Medicine doctors in New Hampshire →

Other internal medicine doctors in Portsmouth

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

All internal medicine doctors in Portsmouth →

Clinician information

CredentialDO
Medical schoolUniversity Of New England, College Of Osteo Medicine
Graduation year2020
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1336769389
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