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LEONARD SIMPSON
NPI 1720392475
Counselor - Addiction (Substance Use Disorder) in Long Beach, CA

Active since August 04, 2010
4000 LONG BEACH BLVD, 228, LONG BEACH, CA 90807(562) 637-3143(562) 637-3244 Get Directions Write a Review

NPPES record last updated: August 4, 2010. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Leonard Simpson NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LEONARD SIMPSON (NPI 1720392475) is an individual addiction (substance use disorder) provider in Long Beach, California and active in the NPI registry since August 2010.

NPPES Registry Identity

NPI1720392475
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameLEONARD SIMPSON
Location Address4000 LONG BEACH BLVD, 228Long Beach, CA 90807-2617
Mailing Address4000 Long Beach Blvd, 228Long Beach, CA 90807-2617 · (562) 637-3143 · Fax (562) 637-3244
Phone(562) 637-3143
Fax(562) 637-3244
Sole ProprietorYes
Enumeration DateAugust 4, 2010
✔ NPI 1720392475 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
4000 LONG BEACH BLVD, Long Beach, CA 90807
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Other Providers at the Same Location NPPES 12

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. STACIE R. WASHINGTON MFTT
Marriage & Family Therapist
4000 LONG BEACH BLVD, 228
LONG BEACH, CA 90807
Los Angeles County (562) 426-3300
RENEW BEHAVORIAL HEALTH INC
Counselor (Mental Health)
4000 LONG BEACH BLVD, STE 228
LONG BEACH, CA 90807
Los Angeles County (562) 637-3143
JUNETTE CASTILLO
Counselor (Addiction (Substance Use Disorder))
4000 LONG BEACH BLVD, STE. 228
LONG BEACH, CA 90807
Los Angeles County (562) 637-3143
VALERIE EDEN BEACHLEY MASSAGE THERAPY
Massage Therapist
4000 LONG BEACH BLVD
LONG BEACH, CA 90807
Los Angeles County (562) 704-2541
CYNTHIA LA VERN TROUT RRW
Counselor (Addiction (Substance Use Disorder))
4000 LONG BEACH BLVD, SUITE 228
LONG BEACH, CA 90807
Los Angeles County (562) 426-3300
RENEW INTEGRATED PROGRAM-2
Community/Behavioral Health
4000 LONG BEACH BLVD, 228
LONG BEACH, CA 90807
Los Angeles County (562) 426-3300
LAJA I IBRAHEEM MD
Psychiatry & Neurology (Psychiatry)
4000 LONG BEACH BLVD, SUITE 228
LONG BEACH, CA 90807
Los Angeles County (562) 637-3143
DR. DWAYNE ACOBA D.C.
Chiropractor
4000 LONG BEACH BLVD
LONG BEACH, CA 90807
Los Angeles County (562) 261-3333

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Leonard Simpson's NPI number?

The NPI number for Leonard Simpson is 1720392475. It was assigned to this individual provider in the NPPES registry on August 4, 2010.

Where is Leonard Simpson located?

Leonard Simpson practices at 4000 Long Beach Blvd 228, Long Beach, CA 90807. The listed phone number is (562) 637-3143.

What is Leonard Simpson's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

When was this NPI record last updated?

The NPPES record for Leonard Simpson was last updated on August 4, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.