Mark Kleinman, M.D.
NPI 1063676310 · Retina Specialist (Ophthalmology) Physician · Kingsport, TN
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Kleinman, M.D. is a Retina Specialist (Ophthalmology) Physician provider in Kingsport, TN (NPI 1063676310).
Provider details
- NPI number
- 1063676310
- Entity type
- Individual
- Primary specialty
- Retina Specialist (Ophthalmology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 44136 (KY)
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
17 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
4,192 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 | 1,705 | $39 |
| Injection of Drug Into Eye67028 | 1,342 | $126 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 387 | $127 |
| Established Patient Complete Exam of Visual System92014 | 295 | $125 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 239 | $90 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 50 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 722 | 299 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 333 | 115 |
| Brimonidine Tartrate | 194 | 74 |
| Latanoprost | 178 | 59 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 173 | 102 |
| Polymyxin B Sulf/Trimethoprimbrand: Polymyxin B Sul-Trimethoprim | 162 | 125 |
| Loteprednol Etabonate | 30 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$619 across 14 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
- 2008-07-16
- Last updated
- 2025-11-04
- Certified
- 2025-11-04
Frequently asked questions
- What is Mark Kleinman's NPI number?
- Mark Kleinman's National Provider Identifier (NPI) is 1063676310, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Kleinman's specialty?
- Mark Kleinman is listed in the NPPES registry with a primary specialty of Retina Specialist (Ophthalmology) Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Kleinman located?
- Mark Kleinman's practice location on file with NPPES is 2412 N John B Dennis Hwy, Kingsport, TN 37660-4772.
- What is Mark Kleinman's phone number?
- The practice phone number listed in the NPPES registry for Mark Kleinman is (423) 578-4364.
- Does Mark Kleinman accept Medicare?
- Mark Kleinman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Kleinman's NPI active?
- Yes — Mark Kleinman's NPI (1063676310) is active in the NPPES registry as of the last update on 2025-11-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.