Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Sean Patrick Allman

Pharmacist in Oakland, CA · enumerated 2011.

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

National Provider Identifier

1770852337

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Registry record

Entity type Individual (Type 1)

Name Dr. Sean Patrick Allman

Sex Male

Practice address 4100 Redwood Rd, Oakland, CA, 94619

Phone (510) 531-0602

Enumeration date Dec 27, 2011

Last updated in NPPES Dec 12, 2025

Taxonomy & licenses

183500000X Pharmacist Pharmacy Service Providers · License 56938 (CA) 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 1770852337 active?

Yes, as of the latest NPPES snapshot, NPI 1770852337 is active (record last updated 2025-12-12).

How do I verify Sean Allman's NPI record?

Cross-check NPI 1770852337 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-12-12.