Brian Marek, M.D.
NPI 1942543525 · Ophthalmology Physician · Blue Ash, OH
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brian Marek, M.D. is a Ophthalmology Physician provider in Blue Ash, OH (NPI 1942543525).
Provider details
- NPI number
- 1942543525
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 35.131370 (OH)
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
13 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
2,535 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 | 441 | $119 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 337 | $87 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 320 | $225 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 316 | $123 |
| Imaging of Retina92134 | 278 | $38 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 191 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 733 | 200 |
| Prednisolone Acetate | 428 | 367 |
| Moxifloxacin Hclbrand: Moxifloxacin | 290 | 228 |
| Brimonidine Tartrate | 256 | 91 |
| Timolol Maleate | 229 | 68 |
| Cyclosporinebrand: Restasis | 150 | 69 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 149 | 45 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$642 across 25 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
- 2013-04-01
- Last updated
- 2022-07-21
Frequently asked questions
- What is Brian Marek's NPI number?
- Brian Marek's National Provider Identifier (NPI) is 1942543525, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Marek's specialty?
- Brian Marek is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Brian Marek located?
- Brian Marek's practice location on file with NPPES is 1945 Cei Dr, Blue Ash, OH 45242-5664.
- What is Brian Marek's phone number?
- The practice phone number listed in the NPPES registry for Brian Marek is (513) 569-3741.
- Does Brian Marek accept Medicare?
- Brian Marek is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brian Marek's NPI active?
- Yes — Brian Marek's NPI (1942543525) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.