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GRACE MELISSA GUZMAN
NPI 1740578236
Marriage & Family Therapist in Whittier, CA

Active since July 18, 2011PECOS Enrolled
10155 COLIMA RD, WHITTIER, CA 90603(562) 692-0383 Get Directions Write a Review

NPPES record last updated: December 29, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 29, 2021, Dec 22, 2021, Feb 5, 2019 and 4 more (7 updates tracked since 2016).

About Grace Melissa Guzman NPPES

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

GRACE MELISSA GUZMAN (NPI 1740578236) is an individual marriage & family therapist in Whittier, California, licensed in California (91265) and active in the NPI registry since July 2011. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1740578236
Entity TypeIndividualFemale
Primary Taxonomy106H00000X
Provider Legal NameGRACE MELISSA GUZMAN
Location Address10155 COLIMA RDWhittier, CA 90603
Mailing Address10155 Colima RdWhittier, CA 90603-2042 · (562) 692-0383
Phone(562) 692-0383
Sole ProprietorYes
Enumeration DateJuly 18, 2011
Last NPPES UpdateDecember 29, 20217 updates tracked since enumeration
NPPES CertifiedDecember 29, 2021
✔ NPI 1740578236 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 · 91265
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.
10155 COLIMA RD, Whittier, CA 90603
Open in Google Maps ↗

Secondary Practice Locations 2

Location 11200 N Main St, Suite 650Santa Ana, CA 92701-3640 · Phone (714) 824-8140 ext. 109
Location 210155 Colima RdWhittier, CA 90603 · Phone (562) 692-0383

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Grace Melissa Guzman 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 Grace Guzman reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern California Permanente Medical Group
5.5 mi
Health Maintenance Organization
1893 W MALVERN AVE
Fullerton, CA 92833
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group
NPI 1336556059 (877) 608-0044

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.

MRS. SOFIA LUPIAN HERNANDEZ MSW, PPS
Social Worker (Clinical)
10155 COLIMA RD
WHITTIER, CA 90603
Los Angeles County (562) 692-0398
MRS. RAINA ERIN SAUER MA, LMFT
Marriage & Family Therapist
10155 COLIMA RD
WHITTIER, CA 90603
Los Angeles County (562) 692-0383
YOLANDA SANDOVAL
Counselor
10155 COLIMA RD
WHITTIER, CA 90603
Los Angeles County (562) 692-0383
ANNA NOERR
Student in an Organized Health Care Education/Training Program
10155 COLIMA RD
WHITTIER, CA 90603
Los Angeles County (562) 692-0383
JESSICA REVELES
Social Worker
10155 COLIMA RD
WHITTIER, CA 90603
Los Angeles County (562) 692-0383
ERIN LEMONIOUS
Student in an Organized Health Care Education/Training Program
10155 COLIMA RD
WHITTIER, CA 90603
Los Angeles County (562) 692-0383
MS. CINDY SOLEDAD MATA
Social Worker (Clinical)
10155 COLIMA RD
WHITTIER, CA 90603
Los Angeles County (562) 692-0383
MRS. MERY N. GUERRA
Social Worker
10155 COLIMA RD
WHITTIER, CA 90603
Los Angeles County (562) 692-0383

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 Grace Guzman's NPI number?

The NPI number for Grace Guzman is 1740578236. It was assigned to this individual provider in the NPPES registry on July 18, 2011.

Where is Grace Guzman located?

Grace Guzman practices at 10155 Colima Rd, Whittier, CA 90603. The listed phone number is (562) 692-0383.

What is Grace Guzman's specialty?

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

Is Grace Guzman enrolled in Medicare?

Yes. Grace Guzman is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Grace Guzman's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Grace Guzman reassigns Medicare benefits to Southern California Permanente Medical Group (Fullerton, 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 Grace Guzman'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 Grace Guzman was last updated on December 29, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.