MS. LARISSA LEE FERRETTI FNP
NPI 1063384436
Nurse Practitioner - Family in Boston, MA

Active since September 23, 2025PECOS EnrolledAccepts Medicare Assignment
300 LONGWOOD AVE, BOSTON, MA 02115(617) 355-6000 Get Directions Write a Review

NPPES record last updated: October 21, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Ms. Larissa Lee Ferretti Fnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MS. LARISSA LEE FERRETTI FNP (NPI 1063384436) is an individual family provider in Boston, Massachusetts, licensed in Massachusetts (RN2356075) and active in the NPI registry since September 2025. She is enrolled in Medicare PECOS, is affiliated with Beth Israel Deaconess Hospital Plymouth, and is a graduate of Other (2025).

NPPES Registry Identity

NPI1063384436
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMS. LARISSA LEE FERRETTICredential: FNP
Location Address300 LONGWOOD AVEBoston, MA 02115-5724
Mailing Address300 Longwood AveBoston, MA 02115-5724 · (617) 355-6000
Sole ProprietorNo
Medical School CMSOtherGraduated 2025
Enumeration DateSeptember 23, 2025
Last NPPES UpdateOctober 21, 2025
NPPES CertifiedOctober 21, 2025
✔ NPI 1063384436 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in MA · RN2356075
300 LONGWOOD AVE, Boston, MA 02115

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ms. Larissa Lee Ferretti Fnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7719455252
PECOS Enrollment IDI20260504006308
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Larissa Ferretti reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

General Acute Care Hospital
330 BROOKLINE AVE, ST 207
Boston, MA 02215
  • Reassigned Medicare billing, Massachusetts enrollment
  • 1,477 clinicians in this Medicare group
Internal Medicine
330 BROOKLINE AVE
Boston, MA 02215
  • Reassigned Medicare billing, Massachusetts enrollment
  • 2,579 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Beth Israel Deaconess Hospital Plymouth

Acute Care Hospitals · Plymouth, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220060
Location275 Sandwich StreetPlymouth, MA 02360 · Plymouth County
Emergency services Birthing friendly

Beth Israel Deaconess Medical Center

Acute Care Hospitals · Boston, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220086
Location330 Brookline AvenueBoston, MA 02215 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02115 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Social Worker (Clinical)
300 LONGWOOD AVE
BOSTON, MA 02115
Nurse Practitioner (Psychiatric/Mental Health)
300 LONGWOOD AVE
BOSTON, MA 02115
Anesthesiology (Pediatric Anesthesiology)
300 LONGWOOD AVE
BOSTON, MA 02115
Physical Therapist
300 LONGWOOD AVE
BOSTON, MA 02115
Social Worker (Clinical)
300 LONGWOOD AVE, CHILDREN'S HOSPITAL BOSTON
BOSTON, MA 02115
Pediatrics
300 LONGWOOD AVE, BADER 203
BOSTON, MA 02115
Nurse Practitioner (Pediatrics)
300 LONGWOOD AVE, HUNNEWELL BUILDING 322
BOSTON, MA 02115
Pediatrics (Neonatal-Perinatal Medicine)
300 LONGWOOD AVE
BOSTON, MA 02115

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Larissa Ferretti's NPI number?

The NPI number for Larissa Ferretti is 1063384436. It was assigned to this individual provider in the NPPES registry on September 23, 2025.

Where is Larissa Ferretti located?

Larissa Ferretti practices at 300 Longwood Ave, Boston, MA 02115. The listed phone number is (617) 355-6000.

What is Larissa Ferretti's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Larissa Ferretti enrolled in Medicare?

Yes. Larissa Ferretti is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Larissa Ferretti's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Larissa Ferretti reassigns Medicare benefits to 2 organizations: Beth Israel Deaconess Medical Center, Inc. (Boston, MA) and Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (Boston, MA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Larissa Ferretti's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Larissa Ferretti accept?

Health plans from Taro Health list Larissa Ferretti as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Larissa Ferretti affiliated with any hospitals?

According to CMS data, Larissa Ferretti is affiliated with Beth Israel Deaconess Hospital Plymouth and Beth Israel Deaconess Medical Center.

When was this NPI record last updated?

The NPPES record for Larissa Ferretti was last updated on October 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.