Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Nelya Christiansen, PA-C

Physician Assistant in Brookline, MA · enumerated 2017.

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

National Provider Identifier

1194262642

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Registry record

Entity type Individual (Type 1)

Name Nelya Christiansen

Credential PA-C

Sex Female

Practice address 1101 Beacon St, Suite 1e, Brookline, MA, 02446

Phone (617) 731-2390

Enumeration date Jan 23, 2017

Last updated in NPPES Mar 3, 2020

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers Secondary

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 6029 (MA) Primary

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 Nelya Christiansen?

The National Provider Identifier (NPI) for Nelya Christiansen is 1194262642, a Type 1 (individual) record in the CMS NPPES registry.

Where does Nelya Christiansen practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-03-03.