Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

William Kester, CMT

Massage Therapist in Berkeley, CA · enumerated 2016.

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

National Provider Identifier

1316309909

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name William Kester

Credential CMT

Sex Male

Practice address Berkeley, CA, 94704

Phone (510) 289-9108

Enumeration date Mar 23, 2016

Last updated in NPPES Mar 23, 2016

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

225700000X Massage Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 11256 (CA) Primary

Other identifiers

Identifier	Type	State	Issuer
11256	Other	CA	CALIFORNIA MASSAGE THERAPY CERTIFICATION

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

Where does William Kester practice?

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

What is the NPI number for William Kester?

The National Provider Identifier (NPI) for William Kester is 1316309909, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-03-23.