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 / TX

EUGENE J KOAY, MD

RADIATION ONCOLOGY

Medical school: BAYLOR COLLEGE OF MEDICINE

Graduated: 2009

Offers telehealth

NPI: 1699011924

Practice Locations (4)

PHYSICIANS REFERRAL SERVICE

13900 KATY FWY

HOUSTON, TX 770791012

7135639600

PHYSICIANS REFERRAL SERVICE

1840 OLD SPANISH TRL

HOUSTON, TX 770542002

8666325782

PHYSICIANS REFERRAL SERVICE

2130 W HOLCOMBE BLVD, UNIV OF TX M D ANDE LIFE SCIENCES PLAZA

HOUSTON, TX 770304009

7135925433

PHYSICIANS REFERRAL SERVICE

1327 LAKE POINTE PKWY

SUGAR LAND, TX 774784095

2815661800

Source: CMS National Downloadable File, September 2026.

EUGENE KOAY, MD | HealthCareAtlasUSA