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Internal Medicine

Aran W. Laing, MD

Works at hospitals in Cortland, NY · New York

Summary

Aran W. Laing, MD (Internal Medicine) is listed by Medicare at 1 hospital in Cortland, NY. NPI 1871601757. 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 Aran W. Laing, 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
26Years since medical school (graduated 2000)
MaleGender (as listed)
Guthrie Medical Group PCGroup practice

Quick answers

Which hospitals does Aran W. Laing work at?
Medicare's official clinician data lists Aran W. Laing at 1 hospital: Guthrie Cortland Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Aran W. Laing see patients?
Medicare's clinician data lists 1 practice location in Cortland, NY. Call before your visit to confirm the address.
What is Aran W. Laing's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Gastroenterology.
Does Aran W. Laing accept Medicare assignment?
Yes. Medicare's clinician data says Aran W. Laing 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 Aran W. Laing?
(607) 428-5701, as listed in official Medicare / NPI Registry data.
What is Aran W. Laing's NPI number?
1871601757. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Aran W. Laing works

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

Group practices

Medicare enrollment lists Aran W. Laing as a member of this group (CMS data updated 2026-10-02).

  • Guthrie Medical Group PC795 clinicians in the group

Specialties

Find other Internal Medicine doctors in New York →

Other internal medicine doctors in Cortland

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

All internal medicine doctors in Cortland →

Clinician information

CredentialMD
Graduation year2000
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1871601757
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