Physician Profile
Unclaimed ProfileAbout GERWIN
Based in Chattanooga, TN, Brett Dennis Gerwin, M.D. is listed in the NPI registry under ophthalmology. Brett graduated from University of Alabama School of Medicine in 2007. Brett is also listed as specialising in ophthalmology — retina specialist.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What is Dr. Gerwin's specialty?
Dr. Gerwin is an ophthalmology in Chattanooga, TN. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “OPHTHALMOLOGY”.
NPI registry
Where can I find Dr. Gerwin?
Dr. Gerwin is listed at 979 E 3RD ST SUITE 230, Chattanooga, TN 37403. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Gerwin?
The number on file is (423) 521-2820. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Gerwin?
Dr. Gerwin's National Provider Identifier is 1306992003. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Gerwin's medical education?
Dr. Gerwin attended University of Alabama School of Medicine, graduating in 2007. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Gerwin have?
Dr. Gerwin has 19 years experience. Calculated from a graduation year of 2007, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Gerwin known for?
According to Medicare billing data, Dr. Gerwin performs procedures including injection of drug into eye and photocoagulation treatment to prevent detachment of retina; reads or performs imaging such as 2d ultrasound scan of eye tissue and structures; provides treatments such as imaging of retina and established patient complete exam of visual system, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Gerwin's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Gerwin. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (423) 521-2820
- Email not available
Practice Locations
979 E 3RD ST SUITE 230
Chattanooga, TN 37403
Procedures Most Often Billed to Medicare
10,017 services · 1,499 patients · 13 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Injection of drug into eye | Procedure | 67028 |
1,135 |
| Photocoagulation treatment to prevent detachment of retina | Procedure | 67145 |
13 |
| 2d ultrasound scan of eye tissue and structures | Imaging | 76512 |
20 |
| Imaging of retina | Treatment | 92134 |
1,462 |
| Established patient complete exam of visual system | Treatment | 92014 |
309 |
| New patient complete exam of visual system | Treatment | 92004 |
132 |
| Photography of the retina | Treatment | 92250 |
108 |
| Established patient problem focused exam of visual system | Treatment | 92012 |
63 |
| Injection, faricimab-svoa, 0.1 mg | Drug given | J2777 |
4,860 |
| Injection, bevacizumab, 10 mg | Drug given | J9035 |
757 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other ophthalmology specialists in Chattanooga 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at University of Alabama School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2007 at University of Alabama School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Injection of drug into eye 8
Providers in TN who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.