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MR. CHRISTAN LAM NGUYEN M.A.
NPI 1316370265
Marriage & Family Therapist in Santa Ana, CA

Active since August 14, 2013PECOS Enrolled
2900 S HARBOR BLVD, SUITE 220, SANTA ANA, CA 92704(562) 431-5100(562) 431-3560 Get Directions Write a Review

NPPES record last updated: February 22, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mr. Christan Lam Nguyen M.a. NPPES

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

MR. CHRISTAN LAM NGUYEN M.A. (NPI 1316370265) is an individual marriage & family therapist in Santa Ana, California, licensed in California (108067) and active in the NPI registry since August 2013. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1316370265
Entity TypeIndividualMale
Primary Taxonomy106H00000X
Provider Legal NameMR. CHRISTAN LAM NGUYENCredential: M.A.
Location Address2900 S HARBOR BLVD, SUITE 220Santa Ana, CA 92704-6418
Mailing Address2900 S Harbor Blvd, Suite 220Santa Ana, CA 92704-6418 · (562) 431-5100 · Fax (562) 431-3560
Phone(562) 431-5100
Fax(562) 431-3560
Sole ProprietorYes
Enumeration DateAugust 14, 2013
Last NPPES UpdateFebruary 22, 2023
NPPES CertifiedFebruary 22, 2023
✔ NPI 1316370265 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 · 108067
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.
2900 S HARBOR BLVD, Santa Ana, CA 92704
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. Christan Lam Nguyen M.a. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Christan Nguyen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

W Group Marriage And Family Counseling, Corp
17 mi
Marriage & Family Therapist
3711 LONG BEACH BLVD # 4001
Long Beach, CA 90807
  • Reassigned Medicare billing, California enrollment
NPI 1083217574 (949) 424-3218

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

MRS. ALLISON HELGET WOLINSKY
Social Worker (Clinical)
2900 S HARBOR BLVD
SANTA ANA, CA 92704
Orange County (714) 479-8762
MR. ANTHONY JOSEPH WINES DELGADO MSW
Counselor (Mental Health)
2900 S HARBOR BLVD
SANTA ANA, CA 92704
Orange County (949) 919-0826

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 Christan Nguyen's NPI number?

The NPI number for Christan Nguyen is 1316370265. It was assigned to this individual provider in the NPPES registry on August 14, 2013.

Where is Christan Nguyen located?

Christan Nguyen practices at 2900 S Harbor Blvd Suite 220, Santa Ana, CA 92704. The listed phone number is (562) 431-5100.

What is Christan Nguyen's specialty?

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

Is Christan Nguyen enrolled in Medicare?

Yes. Christan Nguyen is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Christan Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Christan Nguyen reassigns Medicare benefits to W Group Marriage And Family Counseling, Corp (Long Beach, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Christan Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Christan Nguyen was last updated on February 22, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.