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

Justin Wayne Gregg, MD

Individual provider Critical Care Medicine (Internal Medicine) Physician · NPI 1710208939

Justin Wayne Gregg, MD is a Pulmonary Disease in Greenville, South Carolina. Graduated from Medical College of Georgia School of Medicine in 2010, 16 years ago. Practices with Prisma Health University Medical Group, a 2,446-clinician group and accepts Medicare assignment. Licensed in Georgia and South Carolina.

Years since qualifying
16
Trained at
Medical College of Georgia School of Medicine
Licensed in
GA, SC
In the registry since
2010
Specialties on file
3
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

200 Patewood Dr Ste B300
Greenville, SC 29615-3593
Phone: (864) 454-4200
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence 39944 (SC)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence 39944 (SC)
Internal Medicine Physician Taxonomy 207R00000X · Licence 4228 (GA)

Record details

NPI number1710208939
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 22, 2010
Last updated in NPPESJanuary 13, 2026
Certification dateJanuary 13, 2026

Medicare enrollment

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

Medicare specialtyPULMONARY DISEASE
Medical schoolMEDICAL COLLEGE OF GEORGIA SCHOOL OF MEDICINE
Graduated 2010 (16 years in practice)
Group practice Prisma Health University Medical Group — 2446 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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