NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Larissa Birndorf, MSW, PMHNP-BC

Psychiatric/Mental Health Nurse Practitioner in Portland, OR · enumerated 2014 · practices at Active Recovery Tms Pllc.

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

National Provider Identifier

1073939211

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Larissa Birndorf
Credential MSW, PMHNP-BC
Sex Female
Practice address 2701 Nw Vaughn St Ste 470, Portland, OR, 97210
Phone (503) 719-4648
Enumeration date Mar 12, 2014
Last updated in NPPES Sep 6, 2023

Taxonomy & licenses

163W00000X Registered Nurse Nursing Service Providers · License 201393260RN (OR) Secondary
363LP0808X Psychiatric/Mental Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 201504586NP-PP (OR) 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

Is NPI 1073939211 active?
Yes, as of the latest NPPES snapshot, NPI 1073939211 is active (record last updated 2023-09-06).
How do I verify Larissa Birndorf's NPI record?
Cross-check NPI 1073939211 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-09-06.