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.
- Guthrie Cortland Regional Medical CenterCortland, NY · Acute Care Hospital · CCN 330175
Practice locations
Addresses where Aran W. Laing is enrolled with Medicare (CMS data updated 2026-10-02).
- 11 Alvena AveCortland, NY 13045 (607) 428‑5701
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
- Internal Medicineprimary
- Gastroenterologyalso
Other internal medicine doctors in Cortland
Clinicians with the same Medicare primary specialty in Cortland, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2000 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1871601757 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians