TIAMAT TREATMENT CENTER LLC
NPI 1104783638
Counselor - Addiction (Substance Use Disorder) in Oakland, CA

Q: What is Tiamat Treatment Center LLC's NPI number?

The NPI number for Tiamat Treatment Center LLC is 1104783638. It was assigned to this organization in the NPPES registry on January 7, 2026.

Q: What is Tiamat Treatment Center LLC's specialty?

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

Active since January 07, 2026

3022 INTERNATIONAL BLVD STE 410, OAKLAND, CA 94601(510) 813-5939 Get Directions Write a Review

NPPES record last updated: January 7, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

On this page

About Tiamat Treatment Center Llc NPPES

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

TIAMAT TREATMENT CENTER LLC (NPI 1104783638) is a healthcare organization registered as an addiction (substance use disorder) in Oakland, California and active in the NPI registry since January 2026. The organization lists Donna Edwards, Ceo, as its authorized official.

NPPES Registry Identity

NPI1104783638

Entity TypeOrganization

Primary Taxonomy101YA0400X

Legal Business NameTIAMAT TREATMENT CENTER LLC

Location Address3022 INTERNATIONAL BLVD STE 410Oakland, CA 94601-2229

Mailing Address3022 International Blvd Ste 410Oakland, CA 94601-2229 · (510) 813-5939

Phone(510) 813-5939

Organization SubpartNo

Authorized OfficialDonna EdwardsCeo · (510) 813-5939

Enumeration DateJanuary 7, 2026

NPPES CertifiedJanuary 7, 2026

✔ NPI 1104783638 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

3022 INTERNATIONAL BLVD STE 410, Oakland, CA 94601

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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 2

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

TIAMAT TREATMENT CENTER IOP

Counselor (Addiction (Substance Use Disorder))

3022 INTERNATIONAL BLVD STE 410
OAKLAND, CA 94601

Alameda County (510) 813-5939

DONNA RAE EDWARDS CAADE

Counselor (Addiction (Substance Use Disorder))

3022 INTERNATIONAL BLVD STE 410
OAKLAND, CA 94601

Alameda County (510) 813-5939

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 Tiamat Treatment Center LLC's NPI number?

The NPI number for Tiamat Treatment Center LLC is 1104783638. It was assigned to this organization in the NPPES registry on January 7, 2026.

Where is Tiamat Treatment Center LLC located?

Tiamat Treatment Center LLC is located at 3022 International Blvd Ste 410, Oakland, CA 94601. The listed phone number is (510) 813-5939.

What is Tiamat Treatment Center LLC'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 Tiamat Treatment Center LLC was last updated on January 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.