Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Timothy L Overlock, MD

Individual provider Specialist · NPI 1194722173

Dr. Timothy L Overlock, MD is an Internal Medicine in Texarkana, Texas. Qualified in 1991, 35 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
35
Licensed in
TX
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1002 Texas Blvd Ste 201
Texarkana, TX 75501-5107
Phone: (903) 794-3701
Fax: (903) 794-3518
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence K3372 (TX)

Record details

NPI number1194722173
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 5, 2005
Last updated in NPPESMarch 1, 2010
Mailing address1002 Texas Blvd, Ste 201, Texarkana, TX 75501-5107

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1991 (35 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Texarkana