Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Duncan Seth Lloyd

Q: What is the NPI number for Duncan Lloyd?

The National Provider Identifier (NPI) for Duncan Lloyd is 1720221534, a Type 1 (individual) record in the CMS NPPES registry.

Community Health Worker in Oakland, CA · enumerated 2009.

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

National Provider Identifier

1720221534

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Mr. Duncan Seth Lloyd

Sex Male

Practice address 954 60th St, Ste 10, Oakland, CA, 94608

Phone (510) 835-5532

Fax (510) 653-4207

Enumeration date Apr 8, 2009

Last updated in NPPES Apr 8, 2009

Taxonomy & licenses

172V00000X Community Health Worker Other Service Providers · License 0136 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 is the NPI number for Duncan Lloyd?

The National Provider Identifier (NPI) for Duncan Lloyd is 1720221534, a Type 1 (individual) record in the CMS NPPES registry.

Where does Duncan Lloyd practice?

The practice location on file with NPPES is in Oakland, CA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-04-08.