Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mrs. Sarah Marie Lach, PA-C
Physician Assistant in Duluth, MN · enumerated 2015.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1437525417
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Registry record
Entity type Individual (Type 1)
Name Mrs. Sarah Marie Lach
Credential PA-C
Sex Female
Practice address Essentia Health Duluth Clinic, 400 East Third Street, Duluth, MN, 55805
Phone (218) 786-8364
Enumeration date Aug 13, 2015
Last updated in NPPES Apr 30, 2018
Taxonomy & licenses
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 3571-23 (WI) Secondary
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 12673 (MN) 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.
Frequently asked questions
Where does Sarah Lach practice?
The practice location on file with NPPES is in Duluth, MN. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Sarah Lach?
The National Provider Identifier (NPI) for Sarah Lach is 1437525417, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-04-30.