Kate Sawyer, NP
Adult Health Nurse Practitioner · Boston, MA
Kate Sawyer, NP is an adult health nurse practitioner with a practice address in Boston, Massachusetts, and NPI 1386113777, issued on Nov 15, 2018. Check the license (Massachusetts RN2283426, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kate Sawyer
- Credential
- NP
- Primary taxonomy
- Adult Health Nurse Practitioner 363LA2200X
- License number
- RN2283426 MA
Self-reported in NPPES; status is on the state search - Practice location
- 55 Fruit St, Boston, MA 02114
- Phone
- (617) 726-3936
- Enumerated
- Nov 15, 2018
- Record last updated
- Sep 11, 2025
- Medicare enrollment
- Enrolled (PECOS I20190103002673); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest adult health nurse practitioner records → All 1,465 in Massachusetts → Look up another NPI →
Also registered at 55 Fruit St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Kate Sawyer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN2283426Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average adult health nurse practitioner in 2024
39 Medicare Part D claims for 32 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 3 group practices
- Massachusetts General Physicians Organization IncBoston, MA
- Milford Regional Physician Group, Inc.Milford, MA
- Umass Memorial Medical Group IncMedway, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kate Sawyer among 1,465 adult health nurse practitioner records in Massachusetts
Kate Sawyer, NP is one of 1,465 adult health nurse practitioner records with a practice address in Massachusetts. 61% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 86% of them.
- NPI issued2018 · 86% of these records are older, 12% newer
- In a Medicare fileYes · 61% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2018 · median 2010 among the 634 with a school on file
- Record last updated2025 · 73% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
454 adult health nurse practitioner records list a practice address in Boston
They are 454 of the 41,865 NPPES records with a practice address in Boston, and 1,465 adult health nurse practitioner records in Massachusetts.
All 1,465 in Massachusetts → Every provider in Boston → Adult Health Nurse Practitioner nationwide →
The 8 adult health nurse practitioner records with the nearest ZIP codes
- Richard Ahern, ANPBoston, MA 021141508825951
- Martha Brezina, NPBoston, MA 021141629087432
- Deborah Bullard, N.P.Boston, MA 021141700974854
- Amy Casazza, ANP-BCBoston, MA 021141417015835
- Diane Doyle, NPBoston, MA 021141881751600
- Sheila Falco, MS, RN, CSBoston, MA 021141376691063
- Camille Madden, N.P.Boston, MA 021141639226988
- Patricia Olsen, NPBoston, MA 021141790833309
Common questions
What is Kate Sawyer, NP's NPI number?
Kate Sawyer, NP's National Provider Identifier (NPI) is 1386113777, issued on Nov 15, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Kate Sawyer, NP located?
The NPPES record lists a practice address at 55 Fruit St, Boston, MA, 02114. Phone: (617) 726-3936. Providers update this record themselves, so call before visiting.
How can I verify Kate Sawyer, NP's license?
NPPES lists Massachusetts license number RN2283426, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Kate Sawyer, NP prescribe under Medicare Part D?
In 2024, Kate Sawyer, NP had 39 Medicare Part D claims for 32 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.