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

GARY HILLMAN, DO

EMERGENCY MEDICINE

Graduated: 1998

NPI: 1760444160

Practice Locations (7)

MEMORIAL HOSPITAL OF TEXAS COUNTY AUTHORITY

421 MEDICAL DR

GUYMON, OK 739423640

5803386515

MEMORIAL HOSPITAL OF TEXAS COUNTY AUTHORITY

520 MEDICAL DR

GUYMON, OK 739424438

5803386515

SEILING MUNICIPAL HOSPITAL AUTHORITY

809 NE HWY 60

SEILING, OK 73663

CAH ACQUISITION COMPANY 9 LLC

PO BOX

SEILING, OK 73663

SEILING MUNICIPAL HOSPITAL AUTHORITY

PO BOX

SEILING, OK 73663

SEILING MUNICIPAL HOSPITAL AUTHORITY

PO BOX, SUITE 1043

SEILING, OK 73663

CAH ACQUISITION COMPANY 9 LLC

PO BOX, SUITE 720

SEILING, OK 73663

Source: CMS National Downloadable File, September 2026.