Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Abigail Susanne Demchak

Social Worker in Lebanon, OR · enumerated 2018.

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

National Provider Identifier

1043791270

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Registry record

Entity type Individual (Type 1)

Name Mrs. Abigail Susanne Demchak

Sex Female

Practice address 675 N 5th St, Lebanon, OR, 97355

Phone (541) 451-6282

Enumeration date Aug 25, 2018

Last updated in NPPES Mar 11, 2026

Taxonomy & licenses

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers Secondary

104100000X Social Worker Behavioral Health & Social Service Providers · License L11038 (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

What is the NPI number for Abigail Demchak?

The National Provider Identifier (NPI) for Abigail Demchak is 1043791270, a Type 1 (individual) record in the CMS NPPES registry.

Where does Abigail Demchak practice?

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

Other providers at this practice address

Browse all →

Karen Gaspardi Obstetrics & Gynecology Physician · Lebanon, OR NPI 1902865124 Richard Ames Pediatrics Physician · Lebanon, OR NPI 1336100890 Terry Shortridge Surgery Physician · Lebanon, OR NPI 1922028711 Linda Deacon Obstetrics & Gynecology Physician · Lebanon, OR NPI 1417967084 Janice Blumer Family Medicine Physician · Lebanon, OR NPI 1427157932 Carolina Amador Pediatrics Physician · Lebanon, OR NPI 1376621342 Mid-Valley Healthcare, Inc. Family Medicine Physician · Lebanon, OR NPI 1831247105 Karen Mallozzi Family Nurse Practitioner · Lebanon, OR NPI 1174768592

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-03-11.