Melissa A. Derenzo, MD
Ophthalmology Physician · Butler, PA
Melissa A. Derenzo, MD is an ophthalmology physician with a practice address in Butler, Pennsylvania, and NPI 1346327947, issued on Nov 1, 2006. Check the license (Pennsylvania MD426870, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Melissa A. Derenzo
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- MD426870 PA
Self-reported in NPPES; status is on the state search - Practice location
- 102 Technology Dr, Butler, PA 16001
- Phone
- (724) 482-0090
- Enumerated
- Nov 1, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (724) 482-0093
- Medicaid ID
- 1013408410003 PA
- Medicare enrollment
- Enrolled (PECOS I20050908000061); accepts Medicare assignment
- Medical or professional school
- Pennsylvania State University College Of Medicine, 2001
- Entity
- Type 1 · individual
Also registered at 102 Technology Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Constantine Balouris, MDOphthalmology Physician1851478531
- David Cowan, MDDermatology Physician1487795993
- Veronica Eisen, M.D.Radiation Oncology Physician1639310139
- Lisa Ellis, MPAS, PA-CPhysician Assistant1306169792
- Kelly Gaertner, PHARMDPharmacist1538411020
- Hung-Chi Ho, MDRadiation Oncology Physician1205833480
Verify Melissa A. Derenzo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD426870Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% fewer Medicare Part D claims than the average ophthalmology physician in 2024
905 Medicare Part D claims for 287 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 51% of claims.
Most prescribed
- Prednisolone Acetate163 claims
- Latanoprost127 claims
- Lumigan107 claims
- Ketorolac Tromethamine65 claims
- Brimonidine Tartrate50 claims
- Dorzolamide-Timolol46 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $316.42
13 payments; by number, the most common kind was food and beverage; the largest payer was Tarsus Pharmaceuticals, Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Daniel J Nadler MD PCSewickley, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ophthalmology Physician providers in Pennsylvania
There are 1,088 ophthalmology physician records in Pennsylvania.
Other ophthalmology physician records in Pennsylvania
- Omar Abbasi, MDPittsburgh, PA1598967630
- Javaneh Abbasian, M.DPhiladelphia, PA1790951036
- Salwa Abdel-Aziz, MDPittsburgh, PA1295961043
- Michael Abendroth, MDPhiladelphia, PA1750743498
- Mouhammed Abuattieh, MDWilkes Barre, PA1790931186
- Luis Acaba-BerrocalPhiladelphia, PA1336768852
- Stacey Ackerman, MDPhiladelphia, PA1508868498
- Wesley Adams, M.D.Williamsport, PA1184809956
- Houman Ahdieh, M.D.Allentown, PA1659371060
- Christopher Ahmed, MDPhiladelphia, PA1013647577
Common questions
What is Melissa A. Derenzo, MD's NPI number?
Melissa A. Derenzo, MD's National Provider Identifier (NPI) is 1346327947, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Melissa A. Derenzo, MD located?
The NPPES record lists a practice address at 102 Technology Dr, Butler, PA, 16001. Phone: (724) 482-0090. Providers update this record themselves, so call before visiting.
How can I verify Melissa A. Derenzo, MD's license?
NPPES lists Pennsylvania license number MD426870, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Melissa A. Derenzo, MD prescribe under Medicare Part D?
In 2024, Melissa A. Derenzo, MD had 905 Medicare Part D claims for 287 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.