John Ondrejka, MD

NPI 1770543159 · on the registry since 2006

Practice

Address: 7956 Tyler Blvd
Mentor, OH 44060
Phone: (440) 716-1283
Fax: (440) 716-1605
Organisation at this address: Lake Hospital System, Inc
Lake Hospital System, Inc.
Center For Molecular Cancer Diagnostics, Inc
Inferred from a shared address, not stated in the registry.
Clinicians at this address: 4

Registry record

Primary taxonomy: 207R00000X
207R00000X
Licence states on file: OH
From the registry's licence fields, which are often incomplete.
Sex: Male
Record last updated: 2026-07-13

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 Ohio