Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Jennifer T Knowles, MD
Family Medicine Physician in Puyallup, WA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1922181304
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Registry record
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 8156523 | Medicaid | WA | - |
| 4543880 | Other | WA | AETNA PROVIDER ID |
| P00297686 | Other | WA | MEDICAID RAILROAD |
| 8906802 | Other | WA | L&I CVC |
| 0199801 | Other | WA | L&I |
| 3908KN | Other | WA | REGENCE RIDER |
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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Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-01-27.