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DENISE NHA-CHI NGUYEN LMFT
NPI 1881844850
Marriage & Family Therapist in Fountain Valley, CA

Active since September 25, 2008PECOS EnrolledAccepts Medicare Assignment
17150 NEWHOPE ST STE 205, FOUNTAIN VALLEY, CA 92708(949) 431-6374(949) 577-8375 Get Directions Write a Review

NPPES record last updated: October 20, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Denise Nha-chi Nguyen Lmft NPPES

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

DENISE NHA-CHI NGUYEN LMFT (NPI 1881844850) is an individual marriage & family therapist in Fountain Valley, California, licensed in California (108761) and active in the NPI registry since September 2008. She is enrolled in Medicare PECOS, maintains a secondary practice location in Anaheim, and is a graduate of Other (2017).

NPPES Registry Identity

NPI1881844850
Entity TypeIndividualFemale
Primary Taxonomy106H00000X
Provider Legal NameDENISE NHA-CHI NGUYENCredential: LMFT
Location Address17150 NEWHOPE ST STE 205Fountain Valley, CA 92708-4250
Mailing Address11364 Renaissance WayStanton, CA 90680-3391 · (714) 497-9383
Phone(949) 431-6374
Fax(949) 577-8375
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateSeptember 25, 2008
Last NPPES UpdateOctober 20, 2021
NPPES CertifiedAugust 4, 2021
✔ NPI 1881844850 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers
Taxonomy Code106H00000X
Licenses✔ Licensed in CA · 108761✔ Licensed in CA · 61825
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.
17150 NEWHOPE ST STE 205, Fountain Valley, CA 92708
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Secondary Practice Location 1

Location 11161 N Raymond Ave., Suite 200Anaheim, CA 92801-1146 · Phone (714) 966-8615 · Fax (714) 434-0549

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Denise Nha-chi Nguyen Lmft is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1951891555
PECOS Enrollment IDI20251103002553
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 Denise Nguyen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Integrated Pain Management Medical Group, Inc.
370 mi
Pain Medicine
450 N WIGET LN
Walnut Creek, CA 94598
  • Reassigned Medicare billing, California enrollment
  • 137 clinicians in this Medicare group
NPI 1922198779 (925) 691-9806

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 4

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

MINA PHAM
Social Worker (Clinical)
17150 NEWHOPE ST STE 205
FOUNTAIN VALLEY, CA 92708
Orange County (949) 431-6374
KIM ANH THI THAN
Social Worker (Clinical)
17150 NEWHOPE ST STE 205
FOUNTAIN VALLEY, CA 92708
Orange County (714) 623-0959
DIANA HOANG VO LMFT
Marriage & Family Therapist
17150 NEWHOPE ST STE 205
FOUNTAIN VALLEY, CA 92708
Orange County (949) 431-6374
MRS. KIM TRAN OVALLE MSW, ASW
Social Worker (Clinical)
17150 NEWHOPE ST STE 205
FOUNTAIN VALLEY, CA 92708
Orange County (949) 431-6374

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 Denise Nguyen's NPI number?

The NPI number for Denise Nguyen is 1881844850. It was assigned to this individual provider in the NPPES registry on September 25, 2008.

Where is Denise Nguyen located?

Denise Nguyen practices at 17150 Newhope St Ste 205, Fountain Valley, CA 92708. The listed phone number is (949) 431-6374.

What is Denise Nguyen's specialty?

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

Is Denise Nguyen enrolled in Medicare?

Yes. Denise Nguyen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Denise Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Denise Nguyen reassigns Medicare benefits to Integrated Pain Management Medical Group, Inc. (Walnut Creek, 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 Denise 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 Denise Nguyen was last updated on October 20, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.