Mark Nekola, MD
NPI 1073509766 · Ophthalmology Physician · Swansea, IL
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Nekola, MD is a Ophthalmology Physician provider in Swansea, IL (NPI 1073509766).
Provider details
- NPI number
- 1073509766
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036092365 (IL)
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
1,536 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 | 640 | $118 |
| Imaging of Optic Nerve92133 | 274 | $34 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 241 | $55 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 130 | $125 |
| Exam of Visual Field With Extended Testing92083 | 108 | $59 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 90 |
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 |
|---|---|---|
| Latanoprost | 1,084 | 251 |
| Timolol Maleate | 235 | 73 |
| Brimonidine Tartrate | 164 | 48 |
| Erythromycin Basebrand: Erythromycin | 60 | 28 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 57 | 17 |
| Dorzolamide Hcl | 56 | 19 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 49 | 37 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$18 across 1 record (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
- 2005-09-27
- Last updated
- 2014-09-09
Frequently asked questions
- What is Mark Nekola's NPI number?
- Mark Nekola's National Provider Identifier (NPI) is 1073509766, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Nekola's specialty?
- Mark Nekola is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Nekola located?
- Mark Nekola's practice location on file with NPPES is 3990 N Illinois St, Swansea, IL 62226-1919.
- What is Mark Nekola's phone number?
- The practice phone number listed in the NPPES registry for Mark Nekola is (618) 277-1130.
- Does Mark Nekola accept Medicare?
- Mark Nekola is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Nekola's NPI active?
- Yes — Mark Nekola's NPI (1073509766) is active in the NPPES registry as of the last update on 2014-09-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.