Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Karen J Pfaeffle, M.A.

Art Therapist in San Rafael, CA · enumerated 2007.

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

National Provider Identifier

1730391152

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Registry record

Entity type Individual (Type 1)

Name Ms. Karen J Pfaeffle

Credential M.A.

Sex Female

Practice address 914 Mission Ave, 3rd Floor, San Rafael, CA, 94901

Phone (415) 457-6964

Enumeration date May 6, 2007

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

221700000X Art Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers 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 specialty is Karen Pfaeffle?

Karen Pfaeffle is registered in NPPES with the primary taxonomy of Art Therapist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.