Ronald Warwar, M.D.
NPI 1881698363 · Ophthalmology Physician · Kettering, OH
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ronald Warwar, M.D. is a Ophthalmology Physician provider in Kettering, OH (NPI 1881698363).
Provider details
- NPI number
- 1881698363
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 35-06-9901-W (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
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
3,518 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 Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 1,461 | $85 |
| Established Patient Complete Exam of Visual System92014 | 647 | $117 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 255 | $24 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 204 | $103 |
| Imaging of Optic Nerve92133 | 159 | $31 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 133 |
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 | 1,174 | 311 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 534 | 167 |
| Timolol Maleate | 518 | 166 |
| Prednisolone Acetate | 454 | 331 |
| Ketorolac Tromethamine | 389 | 295 |
| Ofloxacin | 382 | 298 |
| Brimonidine Tartrate | 256 | 86 |
| Netarsudil Mesylat/Latanoprost |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$274 across 5 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
- 2005-06-13
- Last updated
- 2007-11-20
Frequently asked questions
- What is Ronald Warwar's NPI number?
- Ronald Warwar's National Provider Identifier (NPI) is 1881698363, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ronald Warwar's specialty?
- Ronald Warwar is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Ronald Warwar located?
- Ronald Warwar's practice location on file with NPPES is 3100 Governors Place Blvd, Kettering, OH 45409-1335.
- What is Ronald Warwar's phone number?
- The practice phone number listed in the NPPES registry for Ronald Warwar is (937) 297-7676.
- Does Ronald Warwar accept Medicare?
- Ronald Warwar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ronald Warwar's NPI active?
- Yes — Ronald Warwar's NPI (1881698363) is active in the NPPES registry as of the last update on 2007-11-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.