Keith Williamson, M.D
NPI 1861459380 · Ophthalmology Physician · Kingsport, TN
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Keith Williamson, M.D is a Ophthalmology Physician provider in Kingsport, TN (NPI 1861459380).
Provider details
- NPI number
- 1861459380
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Male
- Sole proprietor
- No
- License
- 26502 (AL)
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 tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
3,884 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Photography of Content of Eyes92285 | 790 | $21 |
| Established Patient Complete Exam of Visual System92014 | 770 | $120 |
| Established Patient Problem Focused Exam of Visual System92012 | 505 | $85 |
| Photography of the Retina92250 | 466 | $33 |
| Exam of Visual Field With Extended Testing92083 | 216 | $60 |
| Removal of Recurring Cataract in Lens Capsule Using a Laser66821 | 173 | $298 |
| Imaging of Retina92134 |
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 | 439 | 106 |
| Cyclosporinebrand: Restasis | 220 | 109 |
| Prednisolone Acetate | 175 | 136 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 159 | 127 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 121 | 30 |
| Brimonidine Tartrate | 80 | 16 |
| Bimatoprostbrand: Lumigan | 61 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$257 across 13 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-27
- Last updated
- 2011-08-01
Frequently asked questions
- What is Keith Williamson's NPI number?
- Keith Williamson's National Provider Identifier (NPI) is 1861459380, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Keith Williamson's specialty?
- Keith Williamson is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Keith Williamson located?
- Keith Williamson's practice location on file with NPPES is 135 W Ravine Rd, Kingsport, TN 37660-3847.
- What is Keith Williamson's phone number?
- The practice phone number listed in the NPPES registry for Keith Williamson is (423) 246-7372.
- Does Keith Williamson accept Medicare?
- Keith Williamson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Keith Williamson's NPI active?
- Yes — Keith Williamson's NPI (1861459380) is active in the NPPES registry as of the last update on 2011-08-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.