NPPES file of Aug 9, 2026

Kathryn Butler

Psychiatric/Mental Health Nurse Practitioner · Boston, MA

Kathryn Butler is a psychiatric/mental health nurse practitioner with a practice address in Boston, Massachusetts, and NPI 1184435406, issued on Jan 16, 2025. Check the license (Massachusetts RN2389833, as entered in NPPES) with the Massachusetts board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1184435406
Name
Kathryn Butler
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License number
RN2389833 MA
Self-reported in NPPES; status is on the state search
Practice location
55 Fruit St, Boston, MA 02114
Phone
(205) 253-0344
Enumerated
Jan 16, 2025
Record last updated
Apr 1, 2026
Medicare enrollment
Enrolled (PECOS I20250916002257); may accept 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 psychiatric/mental health nurse practitioner records → All 2,169 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.

  1. Affan Aamir, MD, PHARMD, RPHStudent in an Organized Health Care Education/Training Program1821890377
  2. Matthew AbadirAnesthesiology Physician1699120550
  3. Taimur AbbasiInternal Medicine Physician1841673522
  4. Megan Abbott, MDAnesthesiology Physician1730839333
  5. Moustafa AbdallaStudent in an Organized Health Care Education/Training Program1952046062
  6. Shadi Abdar Esfahani, MD, MPHDiagnostic Radiology Physician1497137590

Verify Kathryn Butler 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 RN2389833    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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Kathryn Butler among 2,169 psychiatric/mental health nurse practitioner records in Massachusetts

Kathryn Butler is one of 2,169 psychiatric/mental health nurse practitioner records with a practice address in Massachusetts. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2025, is newer than 85% of them.

  • NPI issued2025 · 85% of these records are older, 5% newer
  • In a Medicare fileNo · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2025 · median 2021 among the 1,309 with a school on file
  • Record last updated2026 · 23% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatric/Mental Health Nurse Practitioner providers in Massachusetts

There are 2,169 psychiatric/mental health nurse practitioner records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 2,169 in Massachusetts → Every provider in Boston → Psychiatric/Mental Health Nurse Practitioner nationwide →

The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes

  1. Adekemi AdeleyeBoston, MA 021141528549425
  2. Stephanie Butler, CNPBoston, MA 021141821466806
  3. Ann Marie Delano, NPBoston, MA 021141487737854
  4. Joseph Gustin, PMHNP-BCBoston, MA 021141598211286
  5. Ryan Keogh, PMHNP-BCBoston, MA 021141154664670
  6. Susan Krupnick, NPBoston, MA 021141295863769
  7. Ricky Lawson, APRN, RN, LMHCBoston, MA 021141922388420
  8. Sarah Maclaurin, PMHNPBoston, MA 021141104057918

Common questions

What is Kathryn Butler's NPI number?

Kathryn Butler's National Provider Identifier (NPI) is 1184435406, issued on Jan 16, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Kathryn Butler located?

The NPPES record lists a practice address at 55 Fruit St, Boston, MA, 02114. Phone: (205) 253-0344. Providers update this record themselves, so call before visiting.

How can I verify Kathryn Butler's license?

NPPES lists Massachusetts license number RN2389833, 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. 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.