Marissa Ionno, PA-C
NPI 1033654140 · Medical Physician Assistant · Sewell, NJ
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marissa Ionno, PA-C is a Medical Physician Assistant provider in Sewell, NJ (NPI 1033654140).
Provider details
- NPI number
- 1033654140
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- 25MP00421200 (NJ)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
9 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
3,135 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) |
|---|---|---|
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 1,321 | $6 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 592 | $82 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 409 | $45 |
| Destruction of Skin Growth, 1-14 Growths17110 | 274 | $99 |
| Shaving of Skin Growth of Body, Arms, Or Legs, 0.5 Cm Or Less11300 | 133 | $65 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 |
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 |
|---|---|---|
| Mupirocin | 122 | 102 |
| Triamcinolone Acetonide | 96 | 78 |
| Ketoconazole | 74 | 48 |
| Desonide | 52 | 26 |
| Betamethasone Dipropionate | 52 | 37 |
| Fluocinonide | 43 | 33 |
| Clindamycin Phosphate | 27 | 17 |
| Ciclopirox Olaminebrand: Ciclopirox | 26 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$32 across 2 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
- 2016-12-28
- Last updated
- 2016-12-28
Frequently asked questions
- What is Marissa Ionno's NPI number?
- Marissa Ionno's National Provider Identifier (NPI) is 1033654140, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marissa Ionno's specialty?
- Marissa Ionno is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marissa Ionno located?
- Marissa Ionno's practice location on file with NPPES is 100 Kings Way E Ste A3, Sewell, NJ 08080-2237.
- What is Marissa Ionno's phone number?
- The practice phone number listed in the NPPES registry for Marissa Ionno is (856) 589-3331.
- Does Marissa Ionno accept Medicare?
- Marissa Ionno is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marissa Ionno's NPI active?
- Yes — Marissa Ionno's NPI (1033654140) is active in the NPPES registry as of the last update on 2016-12-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.