HealthCareAtlasUSA

This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / OK

DAVID JOHN OLEK, MD

RADIATION ONCOLOGY

Medical school: NEW YORK MEDICAL COLLEGE

Graduated: 2013

NPI: 1821431370

Practice Locations (4)

MERCY CLINIC OKLAHOMA COMMUNITIES

430 N MONTE VISTA ST

ADA, OK 748204610

5803322323

MERCY CLINIC OKLAHOMA COMMUNITIES

1011 14TH AVE NW

ARDMORE, OK 734011828

5802206132

MERCY CLINIC OKLAHOMA COMMUNITIES

4300 MCAULEY BLVD

OKLAHOMA CITY, OK 731208302

4059365455

MERCY CLINIC OKLAHOMA COMMUNITIES

4300 W MEMORIAL RD

OKLAHOMA CITY, OK 731208304

4057551515

Source: CMS National Downloadable File, September 2026.