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

Dr. Mark Douglas Frey, MD

Individual provider Otolaryngology Physician · NPI 1336116797

Dr. Mark Douglas Frey, MD is an Otolaryngology in Canton, New York. Graduated from University of Nebraska College of Medicine in 1982, 44 years ago. Practices with Canton-Potsdam Hospital, a 239-clinician group and accepts Medicare assignment. Licensed in Nebraska and New York.

Years since qualifying
44
Trained at
University of Nebraska College of Medicine
Licensed in
NE, NY
In the registry since
2006
Specialties on file
3
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

6119 US Highway 11
Canton, NY 13617-3991
Phone: (315) 261-5850
Show map & directions

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

Specialties & licences

Otolaryngology Physician (primary) Taxonomy 207Y00000X · Licence 330710 (NY)
Otolaryngology Physician Taxonomy 207Y00000X · Licence 21783 (NE)
Pediatric Otolaryngology Physician Taxonomy 207YP0228X · Licence 330710 (NY)

Record details

NPI number1336116797
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 3, 2006
Last updated in NPPESSeptember 12, 2024
Certification dateSeptember 12, 2024
Mailing address50 Leroy St, Potsdam, NY 13676-1786

Medicare enrollment

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

Medicare specialtyOTOLARYNGOLOGY
Medical schoolUNIVERSITY OF NEBRASKA COLLEGE OF MEDICINE
Graduated 1982 (44 years in practice)
Group practice Canton-Potsdam Hospital — 239 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount