NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Ms. Susannah Lynn Kerwin, ANP-BC

Adult Health Nurse Practitioner in Denver, CO · enumerated 2010.

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

National Provider Identifier

1609183342

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Registry record

Entity type Individual (Type 1)
Name Ms. Susannah Lynn Kerwin
Credential ANP-BC
Sex Female
Practice address Denver, CO, 80209
Phone (347) 450-5892
Fax (347) 321-7589
Enumeration date Sep 1, 2010
Last updated in NPPES May 7, 2026

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

363LA2200X Adult Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License F305433-1 (NY) 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.

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Frequently asked questions

What is the NPI number for Susannah Kerwin?
The National Provider Identifier (NPI) for Susannah Kerwin is 1609183342, a Type 1 (individual) record in the CMS NPPES registry.
Where does Susannah Kerwin practice?
The practice location on file with NPPES is in Denver, CO. 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 2026-05-07.