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

Dr. John Olmstead, MD

Individual provider Surgery Physician · NPI 1912979576

Dr. John Olmstead, MD is a General Surgery in Corning, New York. Graduated from University of Rochester School of Medicine and Dentistry in 1993, 33 years ago. Practices with Guthrie Medical Group PC, a 797-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
33
Trained at
University of Rochester School of Medicine and Dentistry
Licensed in
NY
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

3 Guthrie Dr
Corning, NY 14830-3696
Phone: (607) 973-8000
Fax: (607) 936-2600
Show map & directions

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

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence 230070-1 (NY)

Record details

NPI number1912979576
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 7, 2006
Last updated in NPPESMarch 5, 2021
Certification dateMarch 5, 2021
Mailing address1 Guthrie Sq, Sayre, PA 18840-1625

Medicare enrollment

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

Medicare specialtyGENERAL SURGERY
Medical schoolUNIVERSITY OF ROCHESTER SCHOOL OF MEDICINE AND DENTISTRY
Graduated 1993 (33 years in practice)
Group practice Guthrie Medical Group Pc — 797 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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