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NAN ALVAREZ-GRAY
NPI 1740555796
Marriage & Family Therapist in Fullerton, CA

Active since March 08, 2012PECOS Enrolled
1619 E CHAPMAN AVE, FULLERTON, CA 92831(714) 397-6155 Get Directions Write a Review

NPPES record last updated: March 8, 2012. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Nan Alvarez-gray NPPES

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

NAN ALVAREZ-GRAY (NPI 1740555796) is an individual marriage & family therapist in Fullerton, California, licensed in California (MFC 47510) and active in the NPI registry since March 2012. She is enrolled in Medicare PECOS and is a graduate of Other (2014).

NPPES Registry Identity

NPI1740555796
Entity TypeIndividualFemale
Primary Taxonomy106H00000X
Provider Legal NameNAN ALVAREZ-GRAY
Location Address1619 E CHAPMAN AVEFullerton, CA 92831-4015
Mailing Address1619 E Chapman AveFullerton, CA 92831-4015 · (714) 397-6155
Phone(714) 397-6155
Sole ProprietorYes
Medical School CMSOtherGraduated 2014
Enumeration DateMarch 8, 2012
✔ NPI 1740555796 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 · MFC 47510
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.
1619 E CHAPMAN AVE, Fullerton, CA 92831
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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)

Nan Alvarez-gray is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID5597223461
PECOS Enrollment IDI20260820002952
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 Nan Alvarez-gray reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Hope Matters Marriage And Family Therapy Institute Inc
24 mi
Marriage & Family Therapist
117 E COLORADO BLVD STE 600
Pasadena, CA 91105
  • Reassigned Medicare billing, California enrollment
  • 10 clinicians in this Medicare group
NPI 1235972308 (626) 249-3358

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 20

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

DR. M. THERESE MASCARDO PSYD
Psychologist (Clinical)
1619 E CHAPMAN AVE
FULLERTON, CA 92831
Orange County (949) 682-9474
SUN WOO LEE
Psychologist
1619 E CHAPMAN AVE
FULLERTON, CA 92831
Orange County (562) 484-8395
DR. MICHELE M. WILLINGHAM PSY.D.
Psychologist (Clinical)
1619 E CHAPMAN AVE
FULLERTON, CA 92831
Orange County (714) 420-1515
MICHELLE MATHER CRAIG LMFT
Marriage & Family Therapist
1619 E CHAPMAN AVE
FULLERTON, CA 92831
Orange County (424) 543-4757
DR. KELSEY MENDOZA PSY.D.
Psychologist (Clinical)
1619 E CHAPMAN AVE
FULLERTON, CA 92831
Orange County (714) 992-4240
MRS. LAUREL A HAMILTON MA
Marriage & Family Therapist
1619 E CHAPMAN AVE
FULLERTON, CA 92831
Orange County (714) 420-6944
SAFE TO HEAL PSYCHOLOGY INC.
Psychologist (Clinical)
1619 E CHAPMAN AVE
FULLERTON, CA 92831
Orange County (714) 681-2985
REEMA TAKLA LMFT
Marriage & Family Therapist
1619 E CHAPMAN AVE
FULLERTON, CA 92831
Orange County (909) 917-5684

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 Nan Alvarez-gray's NPI number?

The NPI number for Nan Alvarez-gray is 1740555796. It was assigned to this individual provider in the NPPES registry on March 8, 2012.

Where is Nan Alvarez-gray located?

Nan Alvarez-gray practices at 1619 E Chapman Ave, Fullerton, CA 92831. The listed phone number is (714) 397-6155.

What is Nan Alvarez-gray's specialty?

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

Is Nan Alvarez-gray enrolled in Medicare?

Yes. Nan Alvarez-gray is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Nan Alvarez-gray's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nan Alvarez-gray reassigns Medicare benefits to Hope Matters Marriage And Family Therapy Institute Inc (Pasadena, 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 Nan Alvarez-gray'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 Nan Alvarez-gray was last updated on March 8, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.