Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Ms. Margaret M Sullivan, NP
Nurse Practitioner in Windsor, VT · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1942261003
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Registry record
Entity type Individual (Type 1)
Name Ms. Margaret M Sullivan
Credential NP
Sex Female
Practice address 289 County Rd, Mt. Ascutney Hospital, Windsor, VT, 05089
Phone (802) 674-6711
Enumeration date Mar 29, 2006
Last updated in NPPES Dec 8, 2012
Taxonomy & licenses
363LA2200X Adult Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 025118-23-05 (NH) Secondary
363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 025118-23-05 (NH) Primary
363LA2200X Adult Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 0091190 (VT) Secondary
NP · Nurse Practitioner: An advanced practice registered nurse with graduate training, licensed to diagnose and treat, often with prescriptive authority.
About the NP credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 0343421 | Medicaid | MA | - |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does Margaret Sullivan practice?
The practice location on file with NPPES is in Windsor, VT. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Margaret Sullivan?
The National Provider Identifier (NPI) for Margaret Sullivan is 1942261003, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Dennis Heibein Certified Registered Nurse Anesthetist · Windsor, VT NPI 1528061942 Jon Bennett Certified Registered Nurse Anesthetist · Windsor, VT NPI 1588664742 Sikhar Banerjee Physical Medicine & Rehabilitation Physician · Windsor, VT NPI 1245225267 George Brothers Medical Physician Assistant · Windsor, VT NPI 1285629204 Kathleen Geagan Pediatrics Physician · Windsor, VT NPI 1598750168 Dale Gephart Internal Medicine Physician · Windsor, VT NPI 1295720860 William Hoser Medical Physician Assistant · Windsor, VT NPI 1225023815 H Katchen Medical Physician Assistant · Windsor, VT NPI 1902891534
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-12-08.