Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Prof. Alfred Janis Sipols, DR.MED.

Behavior Analyst in Seattle, WA · enumerated 2011.

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

National Provider Identifier

1881992253

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Registry record

Entity type Individual (Type 1)

Name Prof. Alfred Janis Sipols

Credential DR.MED.

Sex Male

Practice address 3122 Nw 95th St, Seattle, WA, 98117

Phone (206) 784-7252

Enumeration date Mar 8, 2011

Last updated in NPPES Mar 8, 2011

Taxonomy & licenses

103K00000X Behavior Analyst Behavioral Health & Social 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

Is NPI 1881992253 active?

Yes, as of the latest NPPES snapshot, NPI 1881992253 is active (record last updated 2011-03-08).

How do I verify Alfred Sipols's NPI record?

Cross-check NPI 1881992253 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-03-08.