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

Dr. Larry Douglas Grubb, MD

Individual provider Radiation Oncology Physician · NPI 1013947589

Dr. Larry Douglas Grubb, MD is a Radiation Oncology in Sumter, South Carolina. Graduated from University of South Carolina School of Medicine in 1983, 43 years ago. Practices with Watauga Medical Center Inc, a 93-clinician group and accepts Medicare assignment. Licensed in South Carolina.

Years since qualifying
43
Trained at
University of South Carolina School of Medicine
Licensed in
SC
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

130 N Washington St
Sumter, SC 29150-4920
Phone: (803) 774-8888
Fax: (803) 778-6376
Show map & directions

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

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence 15990 (SC)

Record details

NPI number1013947589
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 3, 2006
Last updated in NPPESAugust 20, 2020
Certification dateAugust 20, 2020

Medicare enrollment

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

Medicare specialtyRADIATION ONCOLOGY
Medical schoolUNIVERSITY OF SOUTH CAROLINA SCHOOL OF MEDICINE
Graduated 1983 (43 years in practice)
Group practice Watauga Medical Center Inc — 93 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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