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

Brett Dennis Gerwin, MD

Individual provider Retina Specialist (Ophthalmology) Physician · NPI 1306992003

Brett Dennis Gerwin, MD is an Ophthalmology in Chattanooga, Tennessee. Graduated from University of Alabama School of Medicine in 2007, 19 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Alabama and Tennessee.

Years since qualifying
19
Trained at
University of Alabama School of Medicine
Licensed in
AL, TN
In the registry since
2007
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

979 E 3rd St Ste 230
Chattanooga, TN 37403-2136
Phone: (423) 521-2820
Fax: (423) 602-5594
Show map & directions

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

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence 45994 (TN)
Retina Specialist (Ophthalmology) Physician Taxonomy 207WX0107X · Licence 45994 (TN)
Ophthalmology Physician Taxonomy 207W00000X · Licence 26155 (AL)

Record details

NPI number1306992003
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJanuary 26, 2007
Last updated in NPPESNovember 11, 2021
Certification dateNovember 11, 2021
Mailing address979 E 3rd St, Suite 230, Chattanooga, TN 37403-2136

Medicare enrollment

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

Medicare specialtyOPHTHALMOLOGY
Medical schoolUNIVERSITY OF ALABAMA SCHOOL OF MEDICINE
Graduated 2007 (19 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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