Colin Ridenour, MD
NPI 1457888430 · Ophthalmology Physician · Warsaw, IN
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Colin Ridenour, MD is a Ophthalmology Physician provider in Warsaw, IN (NPI 1457888430).
Provider details
- NPI number
- 1457888430
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 11019222A (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
9 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
4,536 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) |
|---|---|---|
| Injection of Drug Into Eye67028 | 893 | $119 |
| Imaging of Retina92134 | 779 | $38 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 699 | $86 |
| Unclassified BiologicsJ3590 | 414 | $91 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 309 | $445 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 212 | $122 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 1,012 | 234 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 571 | 151 |
| Timolol Maleate | 246 | 79 |
| Brimonidine Tartrate | 123 | 44 |
| Prednisolone Acetate | 97 | 71 |
| Bimatoprostbrand: Lumigan | 83 | 25 |
| Travoprost | 52 | 19 |
| Erythromycin Base |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$393 across 12 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
- 2017-05-22
- Last updated
- 2021-11-09
- Certified
- 2021-07-27
Frequently asked questions
- What is Colin Ridenour's NPI number?
- Colin Ridenour's National Provider Identifier (NPI) is 1457888430, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Colin Ridenour's specialty?
- Colin Ridenour is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Colin Ridenour located?
- Colin Ridenour's practice location on file with NPPES is 2251 Dubois Dr, Warsaw, IN 46580-3212.
- What is Colin Ridenour's phone number?
- The practice phone number listed in the NPPES registry for Colin Ridenour is (574) 269-2777.
- Does Colin Ridenour accept Medicare?
- Colin Ridenour is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Colin Ridenour's NPI active?
- Yes — Colin Ridenour's NPI (1457888430) is active in the NPPES registry as of the last update on 2021-11-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.