Thomas Berk, MD
NPI 1811586621 · Glaucoma Specialist (Ophthalmology) Physician · Atlanta, GA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Berk, MD is a Glaucoma Specialist (Ophthalmology) Physician provider in Atlanta, GA (NPI 1811586621).
Provider details
- NPI number
- 1811586621
- Entity type
- Individual
- Primary specialty
- Glaucoma Specialist (Ophthalmology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 92185 (GA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
5 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,118 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 227 | $127 |
| Exam of Visual Field With Extended Testing92083 | 225 | $62 |
| Imaging of Optic Nerve92133 | 165 | $33 |
| Exam of the Internal Drainage System of Eye92020 | 97 | $27 |
| Ultrasound Scan of Cornea to Determine Thickness76514 | 69 | $10 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 64 | $92 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 882 | 317 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 540 | 197 |
| Brimonidine Tartrate | 410 | 148 |
| Prednisolone Acetate | 188 | 122 |
| Dorzolamide Hcl | 121 | 46 |
| Timolol Maleate | 109 | 46 |
| Moxifloxacin Hclbrand: Moxifloxacin | 103 | 74 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-01-15
- Last updated
- 2026-05-04
- Certified
- 2026-05-04
Frequently asked questions
- What is Thomas Berk's NPI number?
- Thomas Berk's National Provider Identifier (NPI) is 1811586621, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Berk's specialty?
- Thomas Berk is listed in the NPPES registry with a primary specialty of Glaucoma Specialist (Ophthalmology) Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Berk located?
- Thomas Berk's practice location on file with NPPES is 1365 Clifton Rd Ne Bldg B, Atlanta, GA 30322-1013.
- What is Thomas Berk's phone number?
- The practice phone number listed in the NPPES registry for Thomas Berk is (404) 778-2020.
- Does Thomas Berk accept Medicare?
- Thomas Berk is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Berk's NPI active?
- Yes — Thomas Berk's NPI (1811586621) is active in the NPPES registry as of the last update on 2026-05-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.