MS. SARAH GATTI LICSW
NPI 1407203516
Social Worker - Clinical in Boston, MA
About Ms. Sarah Gatti Licsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. SARAH GATTI LICSW (NPI 1407203516) is an individual clinical provider in Boston, Massachusetts, licensed in Massachusetts (122002) and active in the NPI registry since May 2016. She is enrolled in Medicare PECOS and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses 2
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. Sarah Gatti Licsw 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.
Medicare Billing Reassignment
Medicare enrollment records show Sarah Gatti reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- 125 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02215 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
BOSTON, MA 02215
BOSTON, MA 02215
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 Sarah Gatti's NPI number?
The NPI number for Sarah Gatti is 1407203516. It was assigned to this individual provider in the NPPES registry on May 18, 2016.
Where is Sarah Gatti located?
Sarah Gatti practices at 1 Joslin Pl, Boston, MA 02215. The listed phone number is (617) 309-2440.
What is Sarah Gatti's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Sarah Gatti enrolled in Medicare?
Yes. Sarah Gatti 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 organization bills Medicare for Sarah Gatti's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sarah Gatti reassigns Medicare benefits to Joslin Clinic Inc (Boston, MA). The 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 Sarah Gatti's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sarah Gatti accept?
Health plans from Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Sarah Gatti 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.
When was this NPI record last updated?
The NPPES record for Sarah Gatti was last updated on October 12, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.
# Ms. Sarah Gatti, LICSW · NPI 1407203516
Clinical provider in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since May 18, 2016.
## Identity
- **NPI:** 1407203516 (Entity type: Individual)
- **Enumerated:** May 18, 2016
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 122002 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 1 JOSLIN PL, Boston, MA 02215-5394
- **Phone:** (617) 309-2440
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Joslin Clinic Inc (NPI 1528003621, Boston, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** October 12, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1407203516) · Data from the CMS NPPES public registry.