Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Timothy Lenard May Jr.

Q: What is the NPI number for Timothy May?

The National Provider Identifier (NPI) for Timothy May is 1639567498, a Type 1 (individual) record in the CMS NPPES registry.

Addiction (Substance Use Disorder) Counselor in El Monte, CA · enumerated 2015.

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

National Provider Identifier

1639567498

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Registry record

Entity type Individual (Type 1)

Name Mr. Timothy Lenard May Jr.

Sex Male

Practice address 3131 Santa Anita Ave, Suite #112b, El Monte, CA, 91733

Phone (626) 636-2370

Fax (626) 453-3415

Enumeration date Jan 2, 2015

Last updated in NPPES Feb 27, 2017

Taxonomy & licenses

101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers · License R1213510915 (CA) Primary

Other identifiers

Identifier	Type	State	Issuer
R1213510915	Other	CA	CCAPP

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 Timothy May?

The National Provider Identifier (NPI) for Timothy May is 1639567498, a Type 1 (individual) record in the CMS NPPES registry.

Where does Timothy May practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-02-27.