KATE SAWYER NP
NPI 1386113777
Nurse Practitioner - Adult Health in Boston, MA
About Kate Sawyer Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATE SAWYER NP (NPI 1386113777) is an individual adult health provider in Boston, Massachusetts, licensed in Massachusetts (RN2283426) and active in the NPI registry since November 2018. She is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and maintains a secondary practice location in Milfrod.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Kate Sawyer Np 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 Reassignments
5Medicare enrollment records show Kate Sawyer reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,360 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,234 clinicians in this Medicare group
Burlington, MA 01805
- Reassigned Medicare billing, Massachusetts enrollment
- Also billed through NPI 1063447316 (Massachusetts)
- 1,574 clinicians in this Medicare group
Milford, MA 01757
- Reassigned Medicare billing, Massachusetts enrollment
- 238 clinicians in this Medicare group
Worcester, MA 01655
- Reassigned Medicare billing, Massachusetts enrollment
- 2,902 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.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Massachusetts General Hospital
Acute Care Hospitals · Boston, MAMilford Regional Medical Center
Acute Care Hospitals · Milford, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02114 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 02114
BOSTON, MA 02114
BOSTON, MA 02114
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 Kate Sawyer's NPI number?
The NPI number for Kate Sawyer is 1386113777. It was assigned to this individual provider in the NPPES registry on November 15, 2018.
Where is Kate Sawyer located?
Kate Sawyer practices at 55 Fruit St, Boston, MA 02114. The listed phone number is (617) 726-3936.
What is Kate Sawyer's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.
Is Kate Sawyer enrolled in Medicare?
Yes. Kate Sawyer 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 Kate Sawyer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kate Sawyer reassigns Medicare benefits to 5 organizations: Massachusetts General Physicians Organization Inc (Boston, MA), The General Hospital Corporation (Boston, MA), Lahey Clinic, Inc. (Burlington, MA), Milford Regional Physician Group, Inc. (Milford, MA) and Umass Memorial Medical Group Inc (Worcester, 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 Kate Sawyer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kate Sawyer accept?
Health plans from Taro Health list Kate Sawyer 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 Kate Sawyer affiliated with any hospitals?
According to CMS data, Kate Sawyer is affiliated with Massachusetts General Hospital and Milford Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Kate Sawyer was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Kate Sawyer, NP · NPI 1386113777
Adult Health physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since November 15, 2018.
## Identity
- **NPI:** 1386113777 (Entity type: Individual)
- **Enumerated:** November 15, 2018
- **Primary specialty:** Nurse Practitioner - Adult Health · taxonomy 363LA2200X
- **State license:** RN2283426 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 55 FRUIT ST, Boston, MA 02114-2621
- **Phone:** (617) 726-3936
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Massachusetts General Physicians Organization Inc (NPI 1801874573, Boston, MA); The General Hospital Corporation (NPI 1023049236, Boston, MA); Lahey Clinic, Inc. (NPI 1538194980, Burlington, MA); Milford Regional Physician Group, Inc. (NPI 1902856024, Milford, MA); Umass Memorial Medical Group Inc (NPI 1760445373, Worcester, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** September 11, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1386113777) · Data from the CMS NPPES public registry.