Mark J Hornyak, M.D.
NeurosurgeryListing does not mean the doctor offers SpineLens second opinions.
Specialty
Neurosurgery
Clinic or group
Hartford Healthcare Medical Group Specialists Pllc
Address
1 Atwell RD
Cooperstown, NY 13326
Phone
Telehealth
Offers telehealth (per Medicare data)
NPI
1124226394
Source: public NPI Registry. Registry last updated February 13, 2019. Directory data as of 2026-10.
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