Melissa Derenzo, MD
NPI 1346327947 · Ophthalmology Physician · Butler, PA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Melissa Derenzo, MD is a Ophthalmology Physician provider in Butler, PA (NPI 1346327947).
Provider details
- NPI number
- 1346327947
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD426870 (PA)
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
397 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 | 132 | $86 |
| Established Patient Complete Exam of Visual System92014 | 70 | $118 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 41 | $486 |
| Imaging of Retina92134 | 33 | $37 |
| Imaging of Optic Nerve92133 | 27 | $34 |
| Exam of Visual Field With Extended Testing92083 | 23 | $59 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 163 | 103 |
| Latanoprost | 127 | 26 |
| Bimatoprostbrand: Lumigan | 107 | 24 |
| Ketorolac Tromethamine | 65 | 40 |
| Brimonidine Tartrate | 50 | 18 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 46 | — |
| Brimonidine Tartrate/Timololbrand: Brimonidine Tartrate-Timolol | 38 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$316 across 13 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
- 2006-11-01
- Last updated
- 2007-07-08
Frequently asked questions
- What is Melissa Derenzo's NPI number?
- Melissa Derenzo's National Provider Identifier (NPI) is 1346327947, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Melissa Derenzo's specialty?
- Melissa Derenzo is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Melissa Derenzo located?
- Melissa Derenzo's practice location on file with NPPES is 102 Technology Dr, Butler, PA 16001-1782.
- What is Melissa Derenzo's phone number?
- The practice phone number listed in the NPPES registry for Melissa Derenzo is (724) 482-0090.
- Does Melissa Derenzo accept Medicare?
- Melissa Derenzo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Melissa Derenzo's NPI active?
- Yes — Melissa Derenzo's NPI (1346327947) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.