What is Steven Kniffen's NPI number?

Steven Kniffen's National Provider Identifier (NPI) is 1881562742, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Steven Kniffen's specialty?

Steven Kniffen is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).

Where is Steven Kniffen located?

Steven Kniffen's practice location on file with NPPES is 1401 E 4th St, Long Beach, CA 90802-1800.

What is Steven Kniffen's phone number?

The practice phone number listed in the NPPES registry for Steven Kniffen is (562) 453-5157.

Is Steven Kniffen's NPI active?

Yes — Steven Kniffen's NPI (1881562742) is active in the NPPES registry as of the last update on 2025-10-23.

IndividualActive

Steven Kniffen, SUDRC LL, CMPSS

NPI 1881562742 · Addiction (Substance Use Disorder) Counselor · Long Beach, CA

Steven Kniffen, SUDRC LL, CMPSS is a Addiction (Substance Use Disorder) Counselor provider in Long Beach, CA (NPI 1881562742).

Provider details

NPI number: 1881562742
Entity type: Individual
Primary specialty: Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
Credential: SUDRC LL, CMPSS
Sex: Male
Sole proprietor: No
License: MPSS-HSZTOD (CA)

Specialties & taxonomies

Addiction (Substance Use Disorder) CounselorPrimary101YA0400XLicense R1594160125 (CA)
Behavioral Health & Social Service Providers
Peer Specialist175T00000XLicense MPSS-HSZTOD (CA)
Other Service Providers

Profile Score

Established profile(58/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
Under 1 yr in registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
2 documented practice locations

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

1401 E 4th St

Long Beach, CA 90802-1800

Phone: (562) 453-5157

Street-level locationGet directions

More CA providers

Mailing address

1124 Dawson Ave.

Long Beach, CA 90804

Additional practice locations (1)

1355 Redondo Ave Ste 2
Long Beach, CA 90804-2844
Phone: (562) 986-5046
Fax: (562) 986-5048

Enumerated: 2025-10-23
Last updated: 2025-10-23
Certified: 2025-10-05

Frequently asked questions

What is Steven Kniffen's NPI number?: Steven Kniffen's National Provider Identifier (NPI) is 1881562742, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Steven Kniffen's specialty?: Steven Kniffen is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
Where is Steven Kniffen located?: Steven Kniffen's practice location on file with NPPES is 1401 E 4th St, Long Beach, CA 90802-1800.
What is Steven Kniffen's phone number?: The practice phone number listed in the NPPES registry for Steven Kniffen is (562) 453-5157.
Is Steven Kniffen's NPI active?: Yes — Steven Kniffen's NPI (1881562742) is active in the NPPES registry as of the last update on 2025-10-23.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.