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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

SYDNEY JOHNSON RADT
NPI 1487463543
Counselor - Addiction (Substance Use Disorder) in Sacramento, CA

Active since January 03, 2025
310 HARRIS AVE STE A, SACRAMENTO, CA 95838(916) 659-6680 Get Directions Write a Review

NPPES record last updated: July 20, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 20, 2026, Jul 16, 2026, May 4, 2026 and 1 more (4 updates tracked since 2025).

About Sydney Johnson Radt NPPES

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

SYDNEY JOHNSON RADT (NPI 1487463543) is an individual addiction (substance use disorder) provider in Sacramento, California, licensed in California (R1587911124) and active in the NPI registry since January 2025.

NPPES Registry Identity

NPI1487463543
Entity TypeIndividualFemale
Primary Taxonomy101YA0400X
Provider Legal NameSYDNEY JOHNSONCredential: RADT
Location Address310 HARRIS AVE STE ASacramento, CA 95838-3249
Mailing Address310 Harris Ave Ste ASacramento, CA 95838-3249
Phone(916) 659-6680
Sole ProprietorYes
Enumeration DateJanuary 3, 2025
Last NPPES UpdateJuly 20, 20264 updates tracked since enumeration
NPPES CertifiedJuly 20, 2026
✔ NPI 1487463543 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
License✔ Licensed in CA · R1587911124
310 HARRIS AVE STE A, Sacramento, CA 95838
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Other Providers at the Same Location NPPES 20

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

JENNIFER LYNN TERRERI
Counselor (Addiction (Substance Use Disorder))
310 HARRIS AVE STE A
SACRAMENTO, CA 95838
Sacramento County (916) 649-6793
TRAVIS FRANKLIN
Counselor (Addiction (Substance Use Disorder))
310 HARRIS AVE STE A
SACRAMENTO, CA 95838
Sacramento County (916) 649-6793
CION ROSE PERFECTO
Licensed Vocational Nurse
310 HARRIS AVE STE A
SACRAMENTO, CA 95838
Sacramento County (916) 649-6793
AMANDA SELF SUDRC 13199
Counselor (Addiction (Substance Use Disorder))
310 HARRIS AVE STE A
SACRAMENTO, CA 95838
Sacramento County (916) 649-6793
DAN LEMUEL DIRECTO JACOB
Licensed Vocational Nurse
310 HARRIS AVE STE A
SACRAMENTO, CA 95838
Sacramento County (916) 649-6793
DOMINIQUE JENKINS LVN
Licensed Vocational Nurse
310 HARRIS AVE STE A
SACRAMENTO, CA 95838
Sacramento County (916) 649-6793
MS. MELANIE ELAINE PHILLIPS CADC II
Counselor (Addiction (Substance Use Disorder))
310 HARRIS AVE STE A
SACRAMENTO, CA 95838
Sacramento County (916) 649-6793
LUCY CRUZ RENTERIA CCMA
Case Manager/Care Coordinator
310 HARRIS AVE STE A
SACRAMENTO, CA 95838
Sacramento County (916) 649-6793

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 Sydney Johnson's NPI number?

The NPI number for Sydney Johnson is 1487463543. It was assigned to this individual provider in the NPPES registry on January 3, 2025.

Where is Sydney Johnson located?

Sydney Johnson practices at 310 Harris Ave Ste A, Sacramento, CA 95838. The listed phone number is (916) 659-6680.

What is Sydney Johnson'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 Sydney Johnson was last updated on July 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 days 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.