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

Dr. Austin Chandler Nicholson, MD

Individual provider Internal Medicine Physician · NPI 1134532450

Dr. Austin Chandler Nicholson, MD is an Infectious Disease in Marietta, Georgia. Graduated from University of Mississippi School of Medicine in 2014, 12 years ago. Practices with Wellstar Medical Group LLC, a 3,072-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in Georgia, Mississippi and Washington.

Years since qualifying
12
Trained at
University of Mississippi School of Medicine
Licensed in
GA, MS, WA
In the registry since
2014
Specialties on file
5
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

55 Whitcher St NE Ste 220
Marietta, GA 30060-1168
Phone: (770) 429-0083
Fax: (770) 425-0137
Show map & directions

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

Additional practice locations (3)

  • 2500 N State St, Jackson, MS 39216-4500 — (601) 984-1000
  • 2500 N State St, Jackson, MS 39216-4500 — (601) 984-1000
  • 400 S 43rd St, Renton, WA 98055 — (425) 228-3440

Specialties & licences

Infectious Disease Physician (primary) Taxonomy 207RI0200X · Licence 97689 (GA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 25204 (MS)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD60948644 (WA)
Hospitalist Physician Taxonomy 208M00000X · Licence MD60948644 (WA)
Hospitalist Physician Taxonomy 208M00000X · Licence 97689 (GA)

Record details

NPI number1134532450
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 4, 2014
Last updated in NPPESApril 11, 2025
Certification dateApril 11, 2025

Medicare enrollment

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

Medicare specialtyINFECTIOUS DISEASE
Medical schoolUNIVERSITY OF MISSISSIPPI SCHOOL OF MEDICINE
Graduated 2014 (12 years in practice)
Group practice Wellstar Medical Group Llc — 3072 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations8 on file with Medicare

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