NPPES file of Aug 9, 2026

Katherine J. Sacco, CNP

Family Nurse Practitioner · Greenfield, MA

Katherine J. Sacco, CNP is a family nurse practitioner with a practice address in Greenfield, Massachusetts, and NPI 1427855220, issued on Feb 27, 2025. Check the license (Massachusetts RN2362133, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1427855220
Name
Katherine J. Sacco
Credential
CNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
RN2362133 MA
Self-reported in NPPES; status is on the state search
Practice location
55 Federal St Ste 220, Greenfield, MA 01301
Phone
(413) 225-2792
Enumerated
Feb 27, 2025
Record last updated
Feb 27, 2025
Medicare enrollment
Enrolled (PECOS I20250823000107); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest family nurse practitioner records → All 4,724 in Massachusetts → Look up another NPI →

Also registered at 55 Federal St Ste 220

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Melinda Connors, P.A.Medical Physician Assistant1720044977
  2. Ashlee Costa, PMHNP-BC, DNP, MSNPsychiatric/Mental Health Nurse Practitioner1881338648
  3. Christy Russo, PA-CPhysician Assistant1841977857
  4. Jenna Silk, DPTPhysical Therapist1699664458
  5. Dean Singer, D.O.Family Medicine Physician1396131538
  6. Deanna Welch, NPGerontology Nurse Practitioner1629476072

Verify Katherine J. Sacco in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license RN2362133    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Greenfield Primary Care PLLCGreenfield, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Katherine J. Sacco among 4,724 family nurse practitioner records in Massachusetts

Katherine J. Sacco, CNP is one of 4,724 family nurse practitioner records with a practice address in Massachusetts. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2025, is newer than 92% of them.

  • NPI issued2025 · 92% of these records are older, 3% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2025 · median 2019 among the 2,704 with a school on file
  • Record last updated2025 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

37 family nurse practitioner records list a practice address in Greenfield

They are 37 of the 1,251 NPPES records with a practice address in Greenfield, and 4,724 family nurse practitioner records in Massachusetts.

All 4,724 in Massachusetts → Every provider in Greenfield → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Justyna Arcoleo, FNP/DNPGreenfield, MA 013011316215312
  2. Kathryn Aubry-McAvoy, NPGreenfield, MA 013011912130642
  3. Katie Costa, NPGreenfield, MA 013011083961684
  4. Rachel Katz, NPGreenfield, MA 013011194997684
  5. Wm Levine, FNPGreenfield, MA 013011407826712
  6. Yvonne Looman, NPGreenfield, MA 013011447513825
  7. Lisa Miller, FNPGreenfield, MA 013011932171329
  8. Cheryl Pascucci, NPGreenfield, MA 013011255315073

Common questions

What is Katherine J. Sacco, CNP's NPI number?

Katherine J. Sacco, CNP's National Provider Identifier (NPI) is 1427855220, issued on Feb 27, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Katherine J. Sacco, CNP located?

The NPPES record lists a practice address at 55 Federal St Ste 220, Greenfield, MA, 01301. Phone: (413) 225-2792. Providers update this record themselves, so call before visiting.

How can I verify Katherine J. Sacco, CNP's license?

NPPES lists Massachusetts license number RN2362133, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.