Marissa Frongillo, N.P.
NPI 1588017263 · Family Nurse Practitioner · South Yarmouth, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marissa Frongillo, N.P. is a Family Nurse Practitioner provider in South Yarmouth, MA (NPI 1588017263).
Provider details
- NPI number
- 1588017263
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- N.P.
- Sex
- Female
- Sole proprietor
- No
- License
- 2298352 (MA)
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
867 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 208 | $110 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 86 | $7 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 71 | $155 |
| Blood Test, Basic Group of Blood Chemicals (calcium, Total)80048 | 62 | $8 |
| Liver Enzyme (sgot), Level84450 | 46 | $5 |
| Liver Enzyme (sgpt), Level84460 | 46 | $5 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lisinopril | 24 | 15 |
| Atorvastatin Calcium | 21 | 14 |
| Losartan Potassium | 20 | 13 |
| Levothyroxine Sodium | 19 | — |
| Omeprazole | 13 | — |
| Rosuvastatin Calcium | 12 | — |
| Hydrochlorothiazide | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$48 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
- 2016-07-19
- Last updated
- 2019-06-18
Frequently asked questions
- What is Marissa Frongillo's NPI number?
- Marissa Frongillo's National Provider Identifier (NPI) is 1588017263, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marissa Frongillo's specialty?
- Marissa Frongillo is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marissa Frongillo located?
- Marissa Frongillo's practice location on file with NPPES is 495 Station Ave, South Yarmouth, MA 02664-1218.
- What is Marissa Frongillo's phone number?
- The practice phone number listed in the NPPES registry for Marissa Frongillo is (508) 778-4777.
- Does Marissa Frongillo accept Medicare?
- Marissa Frongillo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marissa Frongillo's NPI active?
- Yes — Marissa Frongillo's NPI (1588017263) is active in the NPPES registry as of the last update on 2019-06-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.