Melissa Gionfriddo, FNP-BC
NPI 1154553956 · Family Nurse Practitioner · Madison, CT
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Melissa Gionfriddo, FNP-BC is a Family Nurse Practitioner provider in Madison, CT (NPI 1154553956).
Provider details
- NPI number
- 1154553956
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-BC
- Sex
- Female
- Sole proprietor
- No
- License
- 4181 (CT)
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
16 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
288 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 | 165 | $117 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 33 | $81 |
| Hemoglobin A1c Level83036 | 30 | $10 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 28 | $122 |
| Urinalysis, Manual Test81002 | 21 | $3 |
| Administration of Influenza Virus VaccineG0008 | 11 | $34 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 84 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 191 | 61 |
| Levothyroxine Sodium | 170 | 57 |
| Amlodipine Besylate | 133 | 42 |
| Lisinopril | 113 | 41 |
| Alprazolam | 108 | 38 |
| Simvastatin | 99 | 34 |
| Semaglutidebrand: Ozempic |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,561 across 83 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
- 2009-08-13
- Last updated
- 2022-01-21
- Certified
- 2022-01-21
Frequently asked questions
- What is Melissa Gionfriddo's NPI number?
- Melissa Gionfriddo's National Provider Identifier (NPI) is 1154553956, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Melissa Gionfriddo's specialty?
- Melissa Gionfriddo is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Melissa Gionfriddo located?
- Melissa Gionfriddo's practice location on file with NPPES is 1291 Boston Post Rd Ste 200, Madison, CT 06443-3476.
- What is Melissa Gionfriddo's phone number?
- The practice phone number listed in the NPPES registry for Melissa Gionfriddo is (203) 421-0444.
- Does Melissa Gionfriddo accept Medicare?
- Melissa Gionfriddo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Melissa Gionfriddo's NPI active?
- Yes — Melissa Gionfriddo's NPI (1154553956) is active in the NPPES registry as of the last update on 2022-01-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.