Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Guillaume Marriage and Family Counseling of California, P.C.

Marriage & Family Therapist in Sacramento, CA · enumerated 2021 · authorized official Nahomie Guillaume, President.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1609453828

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Registry record

Entity type Organization (Type 2)

Legal business name Guillaume Marriage and Family Counseling of California, P.C.

Practice address 1750 Howe Ave Ste 300, Sacramento, CA, 95825

Phone (916) 992-2620

Fax (971) 352-4229

Enumeration date Mar 25, 2021

Last updated in NPPES Apr 15, 2026

Taxonomy & classification

101YP2500X Professional Counselor Behavioral Health & Social Service Providers Secondary

106H00000X Marriage & Family Therapist Behavioral Health & Social Service Providers Primary

261QM0801X Mental Health Clinic/Center (Including Community Mental Health Center) Ambulatory Health Care Facilities Secondary

Authorized official

Name Nahomie Guillaume

Title President

Phone (916) 992-2602

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Guillaume Marriage and Family Counseling of California, P.C.?

The NPI for Guillaume Marriage and Family Counseling of California, P.C. is 1609453828, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Guillaume Marriage and Family Counseling of California, P.C.?

NPPES lists Nahomie Guillaume (President) as the authorized official for this organization.

Providers at this address

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Joshua Hoover Clinical Social Worker · Sacramento, CA NPI 1912915539 Kristi Abbott Clinical Social Worker · Sacramento, CA NPI 1053574202 Ayooluwa Odeyemi Clinical Social Worker · Sacramento, CA NPI 1043879190 Brieana Lopez Marriage & Family Therapist · Sacramento, CA NPI 1518506153 Amc Home Health Inc. Home Health Agency · Sacramento, CA NPI 1619842200 Pamela Cardenas Rico Clinical Social Worker · Sacramento, CA NPI 1356204887 First Place Pediatrics, LLC Home Health Agency · Sacramento, CA NPI 1427905181

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-04-15.