Quick answers
- Which hospitals does Thomas Langan Iv work at?
- Medicare's official clinician data lists Thomas Langan Iv at 1 hospital: Olean General Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Thomas Langan Iv see patients?
- Medicare's clinician data lists 2 practice locations, including Olean, NY. Call before your visit to confirm the address.
- What is Thomas Langan Iv's specialty?
- Medicare lists Vascular Surgery as the primary specialty.
- Does Thomas Langan Iv accept Medicare assignment?
- Yes. Medicare's clinician data says Thomas Langan Iv 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.
- Does Thomas Langan Iv offer telehealth?
- Medicare's clinician data says Thomas Langan Iv offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Thomas Langan Iv?
- (716) 375-6993, as listed in official Medicare / NPI Registry data.
- What is Thomas Langan Iv's NPI number?
- 1316384530. 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 Langan Iv works
Medicare's Facility Affiliation Data lists Thomas Langan Iv at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Olean General HospitalOlean, NY · Acute Care Hospital · CCN 330103
Practice locations
Addresses where Thomas Langan Iv is enrolled with Medicare (CMS data updated 2026-10-02).
- 515 Main StOlean, NY 14760 (716) 375‑6993
- 623 Main StOlean, NY 14760 (716) 375‑7577
Group practices
Medicare enrollment lists Thomas Langan Iv as a member of this group (CMS data updated 2026-10-02).
- Olean General Hospital90 clinicians in the group
Specialties
- Vascular Surgeryprimary
Other vascular surgeons in New York
Clinicians with the same Medicare primary specialty in New York — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of New York At Buffalo School Of Medicine |
| Graduation year | 2013 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1316384530 |
| 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