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

Dr. Garrett Greenan, MD

Individual provider Gastroenterology Physician · NPI 1225579584

Dr. Garrett Greenan, MD is an Internal Medicine in Davidson, North Carolina. Graduated from University of Maryland School of Medicine in 2017, 9 years ago. Practices with Carolina Digestive Health Associates PA, a 49-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Missouri and North Carolina.

Years since qualifying
9
Trained at
University of Maryland School of Medicine
Licensed in
MO, NC
In the registry since
2017
Specialties on file
2
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

705 Griffith St Ste 205
Davidson, NC 28036-9307
Phone: (704) 372-7974
Fax: (704) 372-8201
Show map & directions

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

Additional practice locations (2)

  • 300 Billingsley Rd Ste 200, Charlotte, NC 28211-1180 — (704) 372-7974
  • 8210 University Exec Park Dr Ste 100, Charlotte, NC 28262-1329 — (704) 372-7974

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 2023-01019 (NC)
Gastroenterology Physician Taxonomy 207RG0100X · Licence 2020011722 (MO)

Record details

NPI number1225579584
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 20, 2017
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 specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF MARYLAND SCHOOL OF MEDICINE
Graduated 2017 (9 years in practice)
Group practice Carolina Digestive Health Associates Pa — 49 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount