Samantha Massenzio
NPI 1497391262 · Internal Medicine Physician · Philadelphia, PA
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Samantha Massenzio is a Internal Medicine Physician provider in Philadelphia, PA (NPI 1497391262).
Provider details
- NPI number
- 1497391262
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- MD493849 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
6 yrs in NPPES registry
- Profile completeness33% of score
100% 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 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 116 | 35 |
| Prednisolone Acetate | 69 | 44 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 65 | 22 |
| Brimonidine Tartrate | 60 | 18 |
| Erythromycin Basebrand: Erythromycin | 55 | 34 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 18 | 18 |
| Atropine Sulfate | 17 | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$250 across 3 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)
- 840 Walnut St Ste 1020Philadelphia, PA 19107-5180Phone: (800) 331-6634
Registry dates
- Enumerated
- 2019-11-26
- Last updated
- 2026-06-01
- Certified
- 2026-06-01
Frequently asked questions
- What is Samantha Massenzio's NPI number?
- Samantha Massenzio's National Provider Identifier (NPI) is 1497391262, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Samantha Massenzio's specialty?
- Samantha Massenzio is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Samantha Massenzio located?
- Samantha Massenzio's practice location on file with NPPES is 833 Chestnut St Ste 220, Philadelphia, PA 19107-4405.
- What is Samantha Massenzio's phone number?
- The practice phone number listed in the NPPES registry for Samantha Massenzio is (215) 955-8465.
- Does Samantha Massenzio accept Medicare?
- Samantha Massenzio is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Samantha Massenzio's NPI active?
- Yes — Samantha Massenzio's NPI (1497391262) is active in the NPPES registry as of the last update on 2026-06-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.