Summary

Dr. Billie Marek is an internal medicine physician who also specializes in oncology, focusing on cancer care alongside general internal medicine. He earned his medical degree from the University of Texas Health Science Center at San Antonio Joe R. & Teresa Lozano Long School of Medicine and brings over four decades of clinical experience to his practice. Dr. Marek is fluent in both English and Spanish.

Dr. Marek practices at multiple locations throughout the Rio Grande Valley, including Valley Baptist Medical Center in Brownsville, Knapp Medical Center in Weslaco, and Valley Baptist Medical Center in Harlingen. He treats patients with breast cancer, including those with advanced or recurring forms of the disease. His diagnostic expertise includes performing complete blood counts and kidney function tests to monitor patient health. Patients have given him an average rating of 3.0 on Vitals.

AI-generated from data on this provider profile.

Quick Facts

  • 3
  • 43 years of experience
  • speaks English, Spanish
  • Univ Of Tx Hlth Sci Ctr At San Antonio Joe R & Teresa Lozano Long Schof Med
  • 2 specialties
  • 3 areas of expertise
  • 2 board certifications
  • 6 hospital affiliations
  • 3 office locations
  • Male

Office Locations

Dr. Billie Joe Marek has 3 locations

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Dr. Billie Joe Marek, MDDr. Chinwe Jane Okafor, MDDr. Tooba Rehman, MDDr. Naeem Silat, MD
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients
43 Years of Experience 19 Years of Experience 16 Years of Experience 29 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English, Spanish Speaks English, Spanish Speaks English, Urdu, Sindhi
Brownsville , TXSUGAR LAND , TXKaty , TXMurphy , TX
Med School: Univ Of Tx Hlth Sci Ctr At San Antonio Joe R & Teresa Lozano Long Schof Med Med School: University Of Texas Medical Branch At Galveston Med School: CHICAGO MEDICAL SCHOOL AT ROSALIND FRANKLIN UNIVERSITY OF MEDICINE & SCIENCE Med School: Dow Medical College
Current Profile
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Insurance Plans Accepted by Dr. Billie Joe Marek

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. Billie Joe Marek has the following 2 specialties

Specialty Expertise

Dr. Billie Joe Marek has the following 3 areas of expertise

  • Hematology/oncology
  • Medical Oncology
  • Oncology

Certifications, License, & Education

43 Years Experience

MEDICAL LICENSE

Medical Doctor, Texas, 2026, Expired

EDUCATION & TRAINING

Medical School

Univ Of Tx Hlth Sci Ctr At San Antonio Joe R & Teresa Lozano Long Schof MedGraduated in 1983

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Frequently Asked Questions

Does Dr. Billie Marek accept virtual/telehealth appointments?
Dr. Billie Marek has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
What languages does Dr. Billie Marek speak?
Dr. Billie Marek speaks English and Spanish.
Where is Dr. Billie Marek's office located?
Dr. Billie Marek's office is located at 1040 W Jefferson St, Brownsville, TX, 78520.
Which hospitals is Dr. Billie Marek affiliated with?
Dr. Billie Marek is affiliated with Rio Grande Regional Hospital, Valley Baptist Medical Center Harlingen, Valley Baptist Medical Center Brownsville, Knapp Medical Center, Mcallen Medical Center, and MCALLEN MEDICAL CENTER.
Does Dr. Billie Marek accept my insurance?
You can see the insurance plans that Dr. Billie Marek accepts on their Vitals profile.

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