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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.

MR. DARIN PAYNE HASSIG
NPI 1851621494
Marriage & Family Therapist in Rio Vista, CA

Active since January 04, 2010
628 MONTEZUMA ST, RIO VISTA, CA 94571(707) 374-5243 Get Directions Write a Review

NPPES record last updated: July 27, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mr. Darin Payne Hassig NPPES

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

MR. DARIN PAYNE HASSIG (NPI 1851621494) is an individual marriage & family therapist in Rio Vista, California, licensed in California (128438) and active in the NPI registry since January 2010.

NPPES Registry Identity

NPI1851621494
Entity TypeIndividualMale
Primary Taxonomy106H00000X
Provider Legal NameMR. DARIN PAYNE HASSIG
Location Address628 MONTEZUMA STRio Vista, CA 94571-1622
Mailing Address628 Montezuma StRio Vista, CA 94571-1622 · (707) 374-5243
Phone(707) 374-5243
Sole ProprietorYes
Enumeration DateJanuary 4, 2010
Last NPPES UpdateJuly 27, 2026
NPPES CertifiedJuly 27, 2026
✔ NPI 1851621494 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers
Taxonomy Code106H00000X
License✔ Licensed in CA · 128438
Definition
A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats mental and emotional disorders within the context of marriage and family systems. A marriage and family therapist provides mental health and counseling services to individuals, couples, families, and groups.
628 MONTEZUMA ST, Rio Vista, CA 94571
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Other Providers at the Same Location NPPES 16

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

SHONI A MORRIS
Marriage & Family Therapist
628 MONTEZUMA ST
RIO VISTA, CA 94571
Solano County (707) 374-5243
RIO VISTA CARE, INC.
Community/Behavioral Health
628 MONTEZUMA ST
RIO VISTA, CA 94571
Solano County (707) 374-5243
TERRY LOUIS THOMAS AMFT
Marriage & Family Therapist
628 MONTEZUMA ST
RIO VISTA, CA 94571
Solano County (707) 374-5243
MALORIE JAMELIA BRANCH
Social Worker
628 MONTEZUMA ST
RIO VISTA, CA 94571
Solano County (707) 374-5243
MIKE HUSSEINI
Student in an Organized Health Care Education/Training Program
628 MONTEZUMA ST
RIO VISTA, CA 94571
Solano County (707) 374-5243
MICHELE BURNS
Counselor (Professional)
628 MONTEZUMA ST
RIO VISTA, CA 94571
Solano County (707) 374-5243
MRS. SOPHIE PACHECO TRAINEE
Counselor (Addiction (Substance Use Disorder))
628 MONTEZUMA ST
RIO VISTA, CA 94571
Solano County (707) 374-5003
HILLARY JANE LUDWIG M.A.
Counselor (Mental Health)
628 MONTEZUMA ST
RIO VISTA, CA 94571
Solano County (707) 374-5243

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 Darin Hassig's NPI number?

The NPI number for Darin Hassig is 1851621494. It was assigned to this individual provider in the NPPES registry on January 4, 2010.

Where is Darin Hassig located?

Darin Hassig practices at 628 Montezuma St, Rio Vista, CA 94571. The listed phone number is (707) 374-5243.

What is Darin Hassig's specialty?

The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.

When was this NPI record last updated?

The NPPES record for Darin Hassig was last updated on July 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.