Summary

Dr. Marc Demyun is an internal medicine physician with nearly three decades of experience caring for patients. He earned his medical degree from Ross University School of Medicine and completed his residency training at Mount Sinai School of Medicine. His extensive background in internal medicine allows him to provide comprehensive primary care for adult patients. Dr. Demyun is fluent in both English and Spanish, helping him connect with diverse patient populations.

Dr. Demyun practices at Texoma Medical Center in Denison, Texas, and Carrollton Regional Medical Center in Carrollton, Texas. He specializes in treating back pain conditions, including back pain during pregnancy and back pain in children and teens. His treatment approach includes physical therapy, strength training, and manual therapy techniques to help patients recover and maintain their health. Patients have given Dr. Demyun an average rating of 3.8 out of 5 stars.

AI-generated from data on this provider profile.

Quick Facts

  • 3.8
  • 29 years of experience
  • 29 insurance plans accepted
  • speaks English, Spanish
  • Mount Sinai School Of Medicine
  • 2 written reviews
  • 1 specialty
  • 6 areas of expertise
  • 1 board certification
  • 1 hospital affiliation
  • 2 office locations
  • Male

Office Locations

Dr. Marc Stephen Demyun has 2 locations

Texoma Medical Center

5016 S Us Highway 75Denison, TX 75020
Mon12:00 am - 12:00 pm
Tue12:00 am - 12:00 pm
Wed12:00 am - 12:00 pm
Thu12:00 am - 12:00 pm
Fri12:00 am - 12:00 pm
Sat12:00 am - 12:00 pm
Sun12:00 am - 12:00 pm

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Dr. Marc Stephen Demyun, MDDr. Claudia Makhoul, MDDr. Jeevan C. Gowda, MDDr. Chinwe Jane Okafor, MD
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients
3.8 
4.3 
1.7 
29 Years of Experience 25 Years of Experience 19 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English, Spanish Speaks French, Arabic, English Speaks English Speaks English, Spanish
Denison , TXHouston , TXLAKE JACKSON , TXSUGAR LAND , TX
Med School: Ross University School Of Medicine Med School: Kempegowda Institute Of Medical Sciences Med School: University Of Texas Medical Branch At Galveston
Current Profile
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Insurance Plans Accepted by Dr. Marc Stephen Demyun

  • Aetna
  • Ambetter
  • AmeriGroup
  • Baylor Scott & White Health Plan
  • Blue Cross Blue Shield of Illinois
  • Blue Cross Blue Shield of Texas
  • Cigna
  • Cigna-HealthSpring
  • Golden Rule
  • HealthSmart
  • Humana
  • Humana - HMO
  • Humana - Medicare
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicaid (Managed)
  • Medicare - Medicare
  • Meritain Health
  • Molina Healthcare
  • Oscar Health Insurance
  • Prominence Health Plan
  • Sanford Health Plan
  • Tricare
  • Triwest Healthcare Alliance
  • UnitedHealthcare
  • UnitedHealthcare - Medicaid (Managed)
  • Wellcare

Medical Specialties

Dr. Marc Stephen Demyun has the following specialty

Specialty Expertise

Dr. Marc Stephen Demyun has the following 6 areas of expertise

  • Check-up
  • Heartburn
  • Immunization
  • Physical
  • Vaccination
  • Weight Loss

Certifications, License, & Education

29 Years Experience

MEDICAL LICENSE

Medical Doctor, Texas, 2026, Active

EDUCATION & TRAINING

Residency

Mount Sinai School Of Medicine

Medical School

Ross University School Of MedicineGraduated in 1997

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Frequently Asked Questions

Is Dr. Marc Demyun accepting new patients?
Dr. Marc Demyun has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
How can I make an appointment with Dr. Marc Demyun?
You can find contact information for Dr. Marc Demyun here on Vitals.
Does Dr. Marc Demyun accept my insurance?
You can see the insurance plans that Dr. Marc Demyun accepts on their Vitals profile.
Does Dr. Marc Demyun accept virtual/telehealth appointments?
Dr. Marc Demyun has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
What languages does Dr. Marc Demyun speak?
Dr. Marc Demyun speaks English and Spanish.

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