Summary

Dr. Timothy Overlock is a board-certified internal medicine physician who brings 35 years of clinical experience to his practice. He earned his medical degree from Ross University School of Medicine and completed his residency training at St. Francis Medical Center. His extensive background in internal medicine allows him to provide comprehensive care for adult patients with a wide range of medical conditions. Dr. Overlock is fluent in both English and Spanish, enabling him to serve diverse patient populations in his community.

Dr. Overlock practices at Medical Specialists Of Texarkana and maintains hospital affiliations with Christus Health and CHRISTUS SAINT MICHAEL HEALTH SYSTEM in Texarkana, Texas. He specializes in managing high blood pressure conditions, including hypertensive emergencies and pediatric hypertension cases. His practice also includes preventive care services such as flu vaccinations and coordinated physical therapy treatments. Patients have given him an average rating of 4.0 out of 5 stars, reflecting their confidence in his care.
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Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4
  • 35 years of experience
  • speaks English, Spanish
  • St Francis Medical Center
  • 15 written reviews
  • 1 specialty
  • 7 areas of expertise
  • 2 hospital affiliations
  • 1 office location
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Location

Medical Specialists Of Texarkana

1002 Texas Blvd Ste 201Texarkana, TX 75501
Mon7:30 am - 5:30 pm
Tue7:30 am - 5:30 pm
Wed7:30 am - 5:30 pm
Thu7:30 am - 5:30 pm
FriClosed
SatClosed
SunClosed

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Dr. Timothy Lee Overlock, MDEric HarkerDr. Claudia Makhoul, MDDr. Nabila Aslam, MD
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.1 
3.8 
35 Years of Experience 25 Years of Experience 27 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English, Spanish Speaks English Speaks Arabic, English, French Speaks English
Texarkana , TXLyons , COHouston , TXIrving , TX
Med School: Ross University School Of Medicine Med School: Duke University School Of Medicine Med School: Ross University School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Timothy Lee Overlock

  • Accepts Medicare

Medical Specialties

Dr. Timothy Lee Overlock has the following specialty

Specialty Expertise

Dr. Timothy Lee Overlock has the following 7 areas of expertise

  • Check-up
  • Heartburn
  • Immunization
  • Physical
  • Vaccination
  • Weight Loss
  • Weight Loss (non-surgical)

Certifications, License, & Education

35 Years Experience

Dr. Timothy Lee Overlock holds an active medical license in the state of Texas.

Medical License

Medical Doctor with an active medical license in the state of Texas that expired in 2026.

Education & Training

Residency

Completed their residency at St Francis Medical Center.

Medical School

Graduated from Ross University School Of Medicine in 1991.

NPI Number

Dr. Overlock's NPI number is 1194722173.

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Frequently Asked Questions

Is Dr. Timothy Overlock accepting new patients?
Dr. Timothy Overlock is accepting new patients on Vitals. View Dr. Timothy Overlock's profile on Vitals to make an appointment.
Does Dr. Timothy Overlock accept my insurance?
You can see the insurance plans that Dr. Timothy Overlock accepts on their Vitals profile.
What languages does Dr. Timothy Overlock speak?
Dr. Timothy Overlock speaks English and Spanish.
Which hospitals is Dr. Timothy Overlock affiliated with?
Dr. Timothy Overlock is affiliated with Christus Health and CHRISTUS SAINT MICHAEL HEALTH SYSTEM.
Where is Dr. Timothy Overlock's office located?
Dr. Timothy Overlock's office is located at 1002 Texas Blvd Ste 201, Texarkana, TX, 75501.

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