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

Dr. Larry James Barker, MD

Individual provider Medical Oncology Physician · NPI 1518901115

Dr. Larry James Barker, MD is a Medical Oncology in Sherman, Texas. Graduated from University of Texas Medical Branch at Galveston in 1976, 50 years ago. Practices with Texas Oncology PA, a 1,005-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
50
Trained at
University of Texas Medical Branch at Galveston
Licensed in
TX
In the registry since
2006
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

2800 Highway 75 N
Sherman, TX 75090-0504
Phone: (903) 892-9455
Fax: (903) 892-4910
Show map & directions

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

Specialties & licences

Medical Oncology Physician (primary) Taxonomy 207RX0202X · Licence E6223 (TX)

Record details

NPI number1518901115
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 15, 2006
Last updated in NPPESApril 10, 2017
Mailing addressPo Box 911230, Dallas, TX 75391-1230

Medicare enrollment

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

Medicare specialtyMEDICAL ONCOLOGY
Also practisesGERIATRIC MEDICINE, HOSPICE/PALLIATIVE CARE, INTERNAL MEDICINE
Medical schoolUNIVERSITY OF TEXAS MEDICAL BRANCH AT GALVESTON
Graduated 1976 (50 years in practice)
Group practice Texas Oncology Pa — 1005 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Sherman