ARLEN GRAJEDA LMFT
NPI 1235474941
Marriage & Family Therapist in Fountain Valley, CA

Active since December 06, 2012PECOS Enrolled
11420 WARNER AVE, FOUNTAIN VALLEY, CA 92708(949) 309-6380 Get Directions Write a Review

NPPES record last updated: June 4, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 4, 2026, Apr 12, 2024, Nov 7, 2018 (3 updates tracked since 2018).

About Arlen Grajeda Lmft NPPES

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

ARLEN GRAJEDA LMFT (NPI 1235474941) is an individual marriage & family therapist in Fountain Valley, California, licensed in California (110501) and active in the NPI registry since December 2012. She is enrolled in Medicare PECOS and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1235474941
Entity TypeIndividualFemale
Primary Taxonomy106H00000X
Provider Legal NameARLEN GRAJEDACredential: LMFT
Location Address11420 WARNER AVEFountain Valley, CA 92708-2529
Mailing Address11420 Warner AveFountain Valley, CA 92708-2529 · (949) 309-6380
Sole ProprietorNo
Enumeration DateDecember 6, 2012
Last NPPES UpdateJune 4, 20263 updates tracked since enumeration
NPPES CertifiedJune 4, 2026
✔ NPI 1235474941 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 · 110501✔ Licensed in CA · 92352
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.
11420 WARNER AVE, Fountain Valley, CA 92708

Secondary Practice Locations 3

Location 11849 Baywood Dr Apt 103Corona, CA 92881-6401 · Phone (714) 222-5853
Location 25712 Campt StCypress, CA 90630 · Phone (714) 828-2000 ext. 305
Location 310927 Downey Ave Ste CDowney, CA 90241-3739 · Phone (714) 222-5853

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Arlen Grajeda Lmft 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 Reassignments

3

Medicare enrollment records show Arlen Grajeda reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Clinic/Center
17360 BROOKHURST ST
Fountain Valley, CA 92708
  • Reassigned Medicare billing, California enrollment
  • 948 clinicians in this Medicare group
Addiction Medicine
4633 OLD IRONSIDES DR STE 304
Santa Clara, CA 95054
  • Reassigned Medicare billing, California enrollment
  • 1,607 clinicians in this Medicare group
Psychiatry
5214F DIAMOND HEIGHTS BLVD # 345
San Francisco, CA 94131
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Brightside Medical PC
  • 63 clinicians in this Medicare group

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.

Internal Medicine
11420 WARNER AVE
FOUNTAIN VALLEY, CA 92708
Physical Therapy Assistant
11420 WARNER AVE
FOUNTAIN VALLEY, CA 92708
Internal Medicine
11420 WARNER AVE
FOUNTAIN VALLEY, CA 92708
Family Medicine
11420 WARNER AVE
FOUNTAIN VALLEY, CA 92708
Nurse Practitioner (Family)
11420 WARNER AVE
FOUNTAIN VALLEY, CA 92708
Nurse Practitioner (Family)
11420 WARNER AVE
FOUNTAIN VALLEY, CA 92708
General Practice
11420 WARNER AVE
FOUNTAIN VALLEY, CA 92708
Internal Medicine
11420 WARNER AVE
FOUNTAIN VALLEY, CA 92708

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 Arlen Grajeda's NPI number?

The NPI number for Arlen Grajeda is 1235474941. It was assigned to this individual provider in the NPPES registry on December 6, 2012.

Where is Arlen Grajeda located?

Arlen Grajeda practices at 11420 Warner Ave, Fountain Valley, CA 92708. The listed phone number is (949) 309-6380.

What is Arlen Grajeda's specialty?

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

Is Arlen Grajeda enrolled in Medicare?

Yes. Arlen Grajeda is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Arlen Grajeda's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Arlen Grajeda reassigns Medicare benefits to 3 organizations: Memorialcare Medical Foundation (Fountain Valley, CA), Sud Specialty Group - Ca (Santa Clara, CA) and Brightside Medical, P.C. (San Francisco, CA). Each 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 Arlen Grajeda'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 Arlen Grajeda was last updated on June 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.