Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Karen Hertzog, PAC
Physician Assistant in Burien, WA · enumerated 2022.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1225756612
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Registry record
Entity type Individual (Type 1)
Name Karen Hertzog
Credential PAC
Sex Female
Practice address 16110 8th Ave Sw Ste A2, Burien, WA, 98166
Phone (206) 246-1012
Fax (206) 242-4437
Enumeration date Aug 22, 2022
Last updated in NPPES Oct 22, 2025
Taxonomy & licenses
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License PA61599872 (WA) 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
What is the NPI number for Karen Hertzog?
The National Provider Identifier (NPI) for Karen Hertzog is 1225756612, a Type 1 (individual) record in the CMS NPPES registry.
Where does Karen Hertzog practice?
The practice location on file with NPPES is in Burien, WA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Dylan Tracy Family Medicine Physician · Burien, WA NPI 1932580263 Saravanasundaram Lakshumanan Hospitalist Physician · Burien, WA NPI 1255860979 Robera Aleye Family Medicine Physician · Burien, WA NPI 1548811730 Samwel Mbua Family Nurse Practitioner · Burien, WA NPI 1821607300 Kevin Ruaro Family Medicine Physician · Burien, WA NPI 1376289819
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-10-22.