Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Kirsten Berggren, FNP

Nurse Practitioner in Williston, VT · enumerated 2011.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1841580859

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Registry record

Entity type Individual (Type 1)

Name Ms. Kirsten Berggren

Credential FNP

Sex Female

Practice address 353 Blair Park Rd, Williston, VT, 05495

Phone (802) 847-1470

Fax (802) 847-7135

Enumeration date Apr 11, 2011

Last updated in NPPES Feb 9, 2024

Taxonomy & licenses

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 1010093206 (VT) Secondary

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 101-0093206 (VT) Primary

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 336735 (NY) Secondary

FNP · Family Nurse Practitioner: A nurse practitioner certified in family practice across the lifespan. About the FNP credential

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.

Read the full guide → Validate an NPI →

Frequently asked questions

Is NPI 1841580859 active?

Yes, as of the latest NPPES snapshot, NPI 1841580859 is active (record last updated 2024-02-09).

How do I verify Kirsten Berggren's NPI record?

Cross-check NPI 1841580859 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-02-09.