Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Thomas John Langan IV, MD

Individual provider Vascular Surgery Physician · NPI 1316384530

Dr. Thomas John Langan IV, MD is a Vascular Surgery in Olean, New York. Graduated from State University of New York at Buffalo School of Medicine in 2013, 13 years ago. Practices with Olean General Hospital, a 80-clinician group, accepts Medicare assignment and offers telehealth. Licensed in New York.

Years since qualifying
13
Trained at
State University of New York at Buffalo School of Medicine
Licensed in
NY
In the registry since
2013
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

623 Main St
Olean, NY 14760-1532
Phone: (716) 375-7035
Fax: (716) 375-7037
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Vascular Surgery Physician (primary) Taxonomy 2086S0129X · Licence 291474 (NY)

Record details

NPI number1316384530
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 29, 2013
Last updated in NPPESAugust 14, 2024
Certification dateAugust 14, 2024
Mailing address1 Atwell Rd, Cooperstown, NY 13326-1394

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyVASCULAR SURGERY
Medical schoolSTATE UNIVERSITY OF NEW YORK AT BUFFALO SCHOOL OF MEDICINE
Graduated 2013 (13 years in practice)
Group practice Olean General Hospital — 80 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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