Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Hilary H. Unger, CRNA

Q: What is the NPI number for Hilary Unger?

The National Provider Identifier (NPI) for Hilary Unger is 1902229024, a Type 1 (individual) record in the CMS NPPES registry.

Certified Registered Nurse Anesthetist in Littleton, NH · enumerated 2014 · practices at Littleton Hospital Association.

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

National Provider Identifier

1902229024

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Registry record

Entity type Individual (Type 1)

Name Hilary H. Unger

Credential CRNA

Sex Female

Practice address 600 St. Johnsbury Rd., Littleton, NH, 03561

Phone (603) 444-9000

Enumeration date Jan 24, 2014

Last updated in NPPES Oct 21, 2025

Taxonomy & licenses

367500000X Certified Registered Nurse Anesthetist Physician Assistants & Advanced Practice Nursing Providers · License 069037-23 (NH) Primary

CRNA · Certified Registered Nurse Anesthetist: An advanced practice nurse specializing in anesthesia care. About the CRNA 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

What is the NPI number for Hilary Unger?

The National Provider Identifier (NPI) for Hilary Unger is 1902229024, a Type 1 (individual) record in the CMS NPPES registry.

Where does Hilary Unger practice?

The practice location on file with NPPES is in Littleton, NH. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-10-21.