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

MARLENE C CHANG-BROWN, MD

INTERNAL MEDICINE

Graduated: 1987

Offers telehealth

NPI: 1659471696

Practice Locations (2)

WELLMED MEDICAL GROUP PA

1417 N WARE RD, 300 WELLMED AT MISSION

MCALLEN, TX 785014976

9565854704

WELLMED MEDICAL GROUP PA

6157 NW LOOP 410, 124 WELLMED AT INGRAM PARK

SAN ANTONIO, TX 782383302

2105231411

Source: CMS National Downloadable File, September 2026.

MARLENE CHANG-BROWN, MD | HealthCareAtlasUSA