Darin Smith, M.D.
NPI 1811979008 · Ophthalmology Physician · Knoxville, TN
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Darin Smith, M.D. is a Ophthalmology Physician provider in Knoxville, TN (NPI 1811979008).
Provider details
- NPI number
- 1811979008
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD30771 (TN)
Specialties & taxonomies
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
3,472 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) |
|---|---|---|
| Established Patient Complete Exam of Visual System92014 | 997 | $115 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 400 | $22 |
| Exam of Visual Field With Extended Testing92083 | 357 | $57 |
| Imaging of Optic Nerve92133 | 333 | $32 |
| Established Patient Problem Focused Exam of Visual System92012 | 303 | $82 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 231 | $448 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 825 | 190 |
| Timolol Maleate | 380 | 94 |
| Prednisolone Acetate | 351 | 267 |
| Ofloxacin | 308 | 256 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 118 | 80 |
| Brimonidine Tartrate | 77 | 13 |
| Doxycycline Hyclate | 68 | 17 |
| Cyclosporinebrand: Restasis |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,018 across 44 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
- 2005-11-15
- Last updated
- 2026-04-09
- Certified
- 2026-04-09
Frequently asked questions
- What is Darin Smith's NPI number?
- Darin Smith's National Provider Identifier (NPI) is 1811979008, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Darin Smith's specialty?
- Darin Smith is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Darin Smith located?
- Darin Smith's practice location on file with NPPES is 4528 Chapman Hwy, Knoxville, TN 37920-4359.
- What is Darin Smith's phone number?
- The practice phone number listed in the NPPES registry for Darin Smith is (865) 579-3920.
- Does Darin Smith accept Medicare?
- Darin Smith is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Darin Smith's NPI active?
- Yes — Darin Smith's NPI (1811979008) is active in the NPPES registry as of the last update on 2026-04-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.