Katherine Ryken, M.D

NPI 1487185633 · on the registry since 2017

Practice

Address: 565 Abbott Rd
Buffalo, NY 14220
Phone: (206) 520-5000
Organisation at this address: Mercy Hospital
Mercy Hospital
Bradley R Ertel Md
Joan A. Vivona, Md
Catholic Health System
Inferred from a shared address, not stated in the registry.
Clinicians at this address: 202

Registry record

Primary taxonomy: 207V00000X
207V00000X
Also registered as: 207V00000X
207V00000X
207V00000X
207V00000X
Licence states on file: AK, WA, NY, ME, CO
From the registry's licence fields, which are often incomplete.
Sex: Female
Record last updated: 2026-03-27

Source: CMS National Plan and Provider Enumeration System. Registration is not the same as practising, and the registry records no retirement — some people listed here no longer practise. More in New York