Joseph Gunn, M.D.
NPI 1316943640 · Retina Specialist (Ophthalmology) Physician · Kingsport, TN
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Gunn, M.D. is a Retina Specialist (Ophthalmology) Physician provider in Kingsport, TN (NPI 1316943640).
Provider details
- NPI number
- 1316943640
- Entity type
- Individual
- Primary specialty
- Retina Specialist (Ophthalmology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 17159 (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
21 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
2,694 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) |
|---|---|---|
| Imaging of Retina92134 | 1,161 | $39 |
| Injection of Drug Into Eye67028 | 1,032 | $114 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 179 | $89 |
| Established Patient Complete Exam of Visual System92014 | 157 | $122 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 68 | $127 |
| Exam of Retinal Blood Vessels Using a Special Camera After Injection of a Dye92235 | 46 | $157 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ketorolac Tromethamine | 304 | 97 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 76 | 49 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 67 | 28 |
| Atropine Sulfate | 37 | — |
| Promethazine Hcl | 37 | 32 |
| Prednisolone Acetate | 31 | 12 |
| Latanoprost | 20 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$413 across 11 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
- 2005-06-22
- Last updated
- 2025-10-22
- Certified
- 2025-10-22
Frequently asked questions
- What is Joseph Gunn's NPI number?
- Joseph Gunn's National Provider Identifier (NPI) is 1316943640, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Gunn's specialty?
- Joseph Gunn is listed in the NPPES registry with a primary specialty of Retina Specialist (Ophthalmology) Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Gunn located?
- Joseph Gunn's practice location on file with NPPES is 2412 N John B Dennis Hwy, Kingsport, TN 37660-4772.
- What is Joseph Gunn's phone number?
- The practice phone number listed in the NPPES registry for Joseph Gunn is (423) 578-4364.
- Does Joseph Gunn accept Medicare?
- Joseph Gunn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Gunn's NPI active?
- Yes — Joseph Gunn's NPI (1316943640) is active in the NPPES registry as of the last update on 2025-10-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.