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Family Practice

Aaron I. Harrison, MD

Works at hospitals in Oneonta, NY · Cooperstown, NY · Cobleskill, NY … · New York

Summary

Aaron I. Harrison, MD (Family Practice) is listed by Medicare at 4 hospitals in Oneonta, NY, Cooperstown, NY and Cobleskill, NY and other places. NPI 1326032269. 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 I. Harrison, 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

Family PracticePrimary specialty
YesAccepts Medicare assignment
41Years since medical school (graduated 1985)
Rowan University School Of Osteopathic MedicineMedical school
MaleGender (as listed)
Mary Imogene Bassett HospitalGroup practice

Quick answers

Which hospitals does Aaron I. Harrison work at?
Medicare's official clinician data lists Aaron I. Harrison at 4 hospitals: Aurelia Osborn Fox Memorial Hospital, Bassett Healthcare, Cobleskill Regional Hospital and O'Connor Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Aaron I. Harrison see patients?
Medicare's clinician data lists 1 practice location in Cobleskill, NY. Call before your visit to confirm the address.
What is Aaron I. Harrison's specialty?
Medicare lists Family Practice as the primary specialty.
Does Aaron I. Harrison accept Medicare assignment?
Yes. Medicare's clinician data says Aaron I. Harrison 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 I. Harrison?
(518) 254-3456, as listed in official Medicare / NPI Registry data.
What is Aaron I. Harrison's NPI number?
1326032269. 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 I. Harrison works

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

Group practices

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

  • Mary Imogene Bassett Hospital763 clinicians in the group

Specialties

Find other Family Practice doctors in New York →

Other family doctors in Cobleskill

Clinicians with the same Medicare primary specialty in Cobleskill, NY — not a recommendation.

All family doctors in Cobleskill →

Clinician information

CredentialMD
Medical schoolRowan University School Of Osteopathic Medicine
Graduation year1985
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1326032269
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