NPPES file of Aug 9, 2026

Kathleen M. Sylvester, NP

Nurse Practitioner · Hadley, MA

Kathleen M. Sylvester, NP is a nurse practitioner with a practice address in Hadley, Massachusetts, and NPI 1033293725, issued on Oct 25, 2006. Check the license (Massachusetts 142872, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1033293725
Name
Kathleen M. Sylvester
Credential
NP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
142872 MA
Self-reported in NPPES; status is on the state search
Practice location
234 Russell St Ste 7, Hadley, MA 01035
Phone
(413) 586-6020
Enumerated
Oct 25, 2006
Record last updated
May 1, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(413) 584-0286
Medicare enrollment
Enrolled (PECOS I20080104000320); 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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Verify Kathleen M. Sylvester 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 142872
    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
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82% fewer Medicare Part D claims than the average nurse practitioner in 2024

199 Medicare Part D claims for 67 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.

  1. Kathleen Sylvester199
  2. Specialty average1,109

Most prescribed

  1. Buprenorphine-Naloxone31 claims
  2. Hydroxyzine Hcl17 claims
  3. Trazodone Hcl11 claims

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 one group practice

  1. Behavioral Health Network IncSpringfield, MA

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

Kathleen M. Sylvester among 3,480 nurse practitioner records in Massachusetts

Kathleen M. Sylvester, NP is one of 3,480 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 2006, is newer than 3% of them.

  • NPI issued2006 · 3% of these records are older, 78% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated1997 · median 2017 among the 1,963 with a school on file
  • Record last updated2012 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nurse Practitioner providers in Massachusetts

There are 3,480 nurse practitioner records in Massachusetts.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Muriel Appram, NPHolyoke, MA 010401639952401
  2. Arielle Crawford, FNPHolyoke, MA 010401386348167
  3. Mary Fago, NPHolyoke, MA 010401093929713
  4. Jain Kang, FNP-CHolyoke, MA 010401881548634
  5. Laura O'Donnell, NPHolyoke, MA 010401336265313
  6. Jessica Sanky Weir, FNP-BCHolyoke, MA 010401609420801
  7. Cara Soifer, NP PEDIATRICSHolyoke, MA 010401891826673
  8. Heather Tierney, NPHolyoke, MA 010401578014551

Common questions

What is Kathleen M. Sylvester, NP's NPI number?

Kathleen M. Sylvester, NP's National Provider Identifier (NPI) is 1033293725, issued on Oct 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Kathleen M. Sylvester, NP located?

The NPPES record lists a practice address at 234 Russell St Ste 7, Hadley, MA, 01035. Phone: (413) 586-6020. Providers update this record themselves, so call before visiting.

How can I verify Kathleen M. Sylvester, NP's license?

NPPES lists Massachusetts license number 142872, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Kathleen M. Sylvester, NP prescribe under Medicare Part D?

In 2024, Kathleen M. Sylvester, NP had 199 Medicare Part D claims for 67 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.