Warren Collins, M.D.
NPI 1043220874 · Ophthalmology Physician · Springfield, MO
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Provider details
- NPI number
- 1043220874
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 114662 (MO)
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
19 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
2,052 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 | 465 | $113 |
| Established Patient Problem Focused Exam of Visual System92012 | 431 | $79 |
| Photography of the Retina92250 | 239 | $33 |
| Imaging of Retina92134 | 177 | $36 |
| Exam of Visual Field With Extended Testing92083 | 137 | $55 |
| Injection of Drug Into Eye67028 | 117 | $101 |
| New Patient Complete Exam of Visual System92004 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 956 | 171 |
| Ofloxacin | 459 | 330 |
| Timolol Maleate | 318 | 63 |
| Prednisolone Acetate | 269 | 216 |
| Bimatoprostbrand: Lumigan | 96 | 17 |
| Brimonidine Tartrate | 93 | 22 |
| Cyclosporinebrand: Restasis | 62 | 21 |
| Brimonidine Tartratebrand: Alphagan P |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$997 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
- 2006-08-08
- Last updated
- 2020-02-17
- Certified
- 2020-02-17
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.