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MARGARET SULLIVAN
NPI 1124979943
Registered Nurse in Keene, NH

Active since February 06, 2026
100 EMERALD ST STE D, KEENE, NH 03431(603) 499-4368(603) 719-1266 Get Directions Write a Review

NPPES record last updated: February 6, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Margaret Sullivan NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARGARET SULLIVAN (NPI 1124979943) is an individual registered nurse in Keene, New Hampshire, licensed in New Hampshire (091512-21) and active in the NPI registry since February 2026.

NPPES Registry Identity

NPI1124979943
Entity TypeIndividualFemale
Primary Taxonomy163W00000X
Provider Legal NameMARGARET SULLIVAN
Location Address100 EMERALD ST STE DKeene, NH 03431-3680
Mailing Address100 Emerald St Ste DKeene, NH 03431-3680 · (603) 499-4368 · Fax (603) 719-1266
Phone(603) 499-4368
Fax(603) 719-1266
Sole ProprietorNo
Enumeration DateFebruary 6, 2026
NPPES CertifiedFebruary 6, 2026
✔ NPI 1124979943 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRegistered NurseNursing Service Providers
Taxonomy Code163W00000X
License✔ Licensed in NH · 091512-21
Definition
(1) A registered nurse is a person qualified by graduation from an accredited nursing school (depending upon schooling, a registered nurse may receive either a diploma from a hospital program, an associate degree in nursing (A.D.N.) or a Bachelor of Science degree in nursing (B.S.N.), who is licensed or certified by the state, and is practicing within the scope of that license or certification. R.N.'s assist patient in recovering and maintaining their physical or mental health. They assist physicians during treatments and examinations and administer medications. (2) A provider who is trained and educated in a formal nursing education program at an accredited school of nursing, passes a national certification examination, and is licensed by the state to practice nursing. The individual provides nursing services to patients or clients in areas such as health promotion, disease prevention, acute and chronic care and restoration and maintenance of health across the life span.
100 EMERALD ST STE D, Keene, NH 03431
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Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ELIZABETH NIX
Counselor (Addiction (Substance Use Disorder))
100 EMERALD ST STE D
KEENE, NH 03431
Cheshire County (866) 534-2639
CHELSEA ELLSWORTH LCMHC
Counselor (Mental Health)
100 EMERALD ST STE D
KEENE, NH 03431
Cheshire County (866) 534-2639
STEPHANIE ENID DAHLBERG LICSW
Social Worker (Clinical)
100 EMERALD ST STE D
KEENE, NH 03431
Cheshire County (603) 338-9208
CHRISTOPHER J MILLS MD
Psychiatry & Neurology (Psychiatry)
100 EMERALD ST STE D
KEENE, NH 03431
Cheshire County (603) 903-0003

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 Margaret Sullivan's NPI number?

The NPI number for Margaret Sullivan is 1124979943. It was assigned to this individual provider in the NPPES registry on February 6, 2026.

Where is Margaret Sullivan located?

Margaret Sullivan practices at 100 Emerald St Ste D, Keene, NH 03431. The listed phone number is (603) 499-4368.

What is Margaret Sullivan's specialty?

The primary specialty registered for this NPI is Registered Nurse with taxonomy code 163W00000X.

When was this NPI record last updated?

The NPPES record for Margaret Sullivan was last updated on February 6, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.