Michael Korenfeld, MD
NPI 1174515613 · Ophthalmology Physician · Washington, MO
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Korenfeld, MD is a Ophthalmology Physician provider in Washington, MO (NPI 1174515613).
Provider details
- NPI number
- 1174515613
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- R1P88 (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
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
1,028 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 | 453 | $107 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 81 | $34 |
| Imaging of Optic Nerve92133 | 79 | $30 |
| New Patient Complete Exam of Visual System92004 | 77 | $125 |
| Removal of Recurring Cataract in Lens Capsule Using a Laser66821 | 76 | $280 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 57 | $444 |
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 | 476 | 130 |
| Prednisolone Acetate | 434 | 312 |
| Timolol Maleate | 219 | 58 |
| Bimatoprostbrand: Lumigan | 74 | 16 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 72 | 21 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 63 | 47 |
| Netarsudil Mesylat/Latanoprostbrand: Rocklatan | 61 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$462 across 11 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
- 2005-08-19
- Last updated
- 2022-09-28
- Certified
- 2022-09-28
Frequently asked questions
- What is Michael Korenfeld's NPI number?
- Michael Korenfeld's National Provider Identifier (NPI) is 1174515613, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Korenfeld's specialty?
- Michael Korenfeld is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Korenfeld located?
- Michael Korenfeld's practice location on file with NPPES is 901 E 3rd St, Washington, MO 63090-3010.
- What is Michael Korenfeld's phone number?
- The practice phone number listed in the NPPES registry for Michael Korenfeld is (636) 390-3999.
- Does Michael Korenfeld accept Medicare?
- Michael Korenfeld is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Korenfeld's NPI active?
- Yes — Michael Korenfeld's NPI (1174515613) is active in the NPPES registry as of the last update on 2022-09-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.