STEVEN JOHN KNIFFEN SUDRC LL, CMPSS
NPI 1881562742
Counselor - Addiction (Substance Use Disorder) in Long Beach, CA

Active since October 23, 2025
1401 E 4TH ST, LONG BEACH, CA 90802(562) 453-5157 Get Directions Write a Review

NPPES record last updated: October 23, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Steven John Kniffen Sudrc Ll, Cmpss NPPES

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

STEVEN JOHN KNIFFEN SUDRC LL, CMPSS (NPI 1881562742) is an individual addiction (substance use disorder) provider in Long Beach, California, licensed in California (R1594160125) and active in the NPI registry since October 2025. He maintains a secondary practice location in Long Beach.

NPPES Registry Identity

NPI1881562742
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameSTEVEN JOHN KNIFFENCredential: SUDRC LL, CMPSS
Location Address1401 E 4TH STLong Beach, CA 90802-1800
Mailing Address1124 Dawson Ave., #2Long Beach, CA 90804 · (562) 721-8298
Sole ProprietorNo
Enumeration DateOctober 23, 2025
NPPES CertifiedOctober 5, 2025
NPI 1881562742 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
License Licensed in CA · R1594160125
Also ListedPeer SpecialistTaxonomy 175T00000X · License MPSS-HSZTOD (CA)
1401 E 4TH ST, Long Beach, CA 90802

Secondary Practice Location 1

Location 11355 Redondo Ave Ste 2Long Beach, CA 90804-2844 · Phone (562) 986-5046 · Fax (562) 986-5048

Other Providers at the Same Location NPPES 5

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

Peer Specialist
1401 E 4TH ST
LONG BEACH, CA 90802
Peer Specialist
1401 E 4TH ST
LONG BEACH, CA 90802
Community/Behavioral Health
1401 E 4TH ST, SUITES G E D F
LONG BEACH, CA 90802
Social Worker (Clinical)
1401 E 4TH ST
LONG BEACH, CA 90802
Clinic/Center (Dental)
1401 E 4TH ST, SUITE A
LONG BEACH, CA 90802

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 Steven Kniffen's NPI number?

The NPI number for Steven Kniffen is 1881562742. It was assigned to this individual provider in the NPPES registry on October 23, 2025.

Where is Steven Kniffen located?

Steven Kniffen practices at 1401 E 4th St, Long Beach, CA 90802. The listed phone number is (562) 453-5157.

What is Steven Kniffen'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 Steven Kniffen was last updated on October 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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.