Erik Massenzio, BA
NPI 1093394769 · Ophthalmology Physician · Philadelphia, PA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Erik Massenzio, BA is a Ophthalmology Physician provider in Philadelphia, PA (NPI 1093394769).
Provider details
- NPI number
- 1093394769
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- BA
- Sex
- Male
- Sole proprietor
- No
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 tenure33% of score
5 yrs in NPPES registry
- Profile completeness33% of score
83% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Erythromycin Basebrand: Erythromycin | 73 | 45 |
| Prednisolone Acetate | 68 | 50 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 49 | 24 |
| Ofloxacin | 42 | 34 |
| Ketorolac Tromethamine | 36 | 27 |
| Latanoprost | 33 | 19 |
| Brimonidine Tartrate | 21 | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,024 across 14 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
Additional practice locations (1)
- 833 Chestnut St Ste 220Philadelphia, PA 19107-4405Phone: (215) 955-8465Fax: (215) 955-2516
Registry dates
- Enumerated
- 2021-04-07
- Last updated
- 2025-06-23
- Certified
- 2025-06-23
Frequently asked questions
- What is Erik Massenzio's NPI number?
- Erik Massenzio's National Provider Identifier (NPI) is 1093394769, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Erik Massenzio's specialty?
- Erik Massenzio is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Erik Massenzio located?
- Erik Massenzio's practice location on file with NPPES is 840 Walnut St Ste 1020, Philadelphia, PA 19107-5109.
- What is Erik Massenzio's phone number?
- The practice phone number listed in the NPPES registry for Erik Massenzio is (800) 331-6634.
- Does Erik Massenzio accept Medicare?
- Erik Massenzio is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Erik Massenzio's NPI active?
- Yes — Erik Massenzio's NPI (1093394769) is active in the NPPES registry as of the last update on 2025-06-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.