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

ADDICTION CENTERS OF EXCELLENCE INC.
NPI 1518644608
Clinic/Center - Public Health, State or Local in Modesto, CA

Q: What is Addiction Centers Of Excellence Inc.'s NPI number?

The NPI number for Addiction Centers Of Excellence Inc. is 1518644608. It was assigned to this organization in the NPPES registry on June 29, 2023. The provider is doing business as Valley Streetz Harm Reduction.

Q: What is Addiction Centers Of Excellence Inc.'s specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Public Health, State or Local, with taxonomy code 261QP0905X.

Active since June 29, 2023

1608 TULLY RD, MODESTO, CA 95350(877) 223-7669 Get Directions Write a Review

NPPES record last updated: July 14, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 14, 2026, Jan 10, 2025, Jul 17, 2023 (3 updates tracked since 2023).

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About Addiction Centers Of Excellence Inc. NPPES

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

ADDICTION CENTERS OF EXCELLENCE INC. (NPI 1518644608), doing business as Valley Streetz Harm Reduction, is a healthcare organization registered as a public health, state or local in Modesto, California and active in the NPI registry since June 2023. The organization lists Kasey Nicole Handwerker, Director, as its authorized official.

NPPES Registry Identity

NPI1518644608

Entity TypeOrganization

Primary Taxonomy261QP0905X

Legal Business NameADDICTION CENTERS OF EXCELLENCE INC.

Location Address1608 TULLY RDModesto, CA 95350-4031

Mailing AddressPo Box 579702Modesto, CA 95357-9702 · (877) 223-7669

Phone(877) 223-7669

Organization SubpartNo

Authorized OfficialKasey Nicole HandwerkerDirector · (877) 223-7669

Enumeration DateJune 29, 2023

Last NPPES UpdateJuly 14, 20263 updates tracked since enumeration

NPPES CertifiedJuly 14, 2026

✔ NPI 1518644608 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 15

★ Primary SpecialtyClinic/Center · Public Health, State or LocalAmbulatory Health Care Facilities

Taxonomy Code261QP0905X

Also ListedSocial WorkerTaxonomy 104100000X

Also ListedRegistered NurseTaxonomy 163W00000X

Also ListedEmergency MedicineTaxonomy 207P00000X

Also ListedFamily MedicineTaxonomy 207Q00000X

Also ListedInternal MedicineTaxonomy 207R00000X

Also ListedObstetrics & GynecologyTaxonomy 207V00000X

Also ListedPediatricsTaxonomy 208000000X

Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X

Also ListedHospitalistTaxonomy 208M00000X

Also ListedPublic Health or WelfareTaxonomy 251K00000X

Also ListedCommunity/Behavioral HealthTaxonomy 251S00000X

Also ListedClinic/Center · Multi-SpecialtyTaxonomy 261QM1300X

Also ListedClinic/Center · Rural HealthTaxonomy 261QR1300X

Also ListedNurse PractitionerTaxonomy 363L00000X

1608 TULLY RD, Modesto, CA 95350

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Other Names 1

Doing Business AsValley Streetz Harm Reduction

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Other Providers at the Same Location NPPES 7

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

HARKANWAL SANDHU

Nurse Practitioner (Family)