MRS. ALEJANDRA PEREZ
NPI 1184807943
Psychologist in Lakewood, CA

Active since December 14, 2007PECOS Enrolled
4060 WATSON PLAZA DR, LAKEWOOD, CA 90712(562) 420-6325 Get Directions Write a Review

NPPES record last updated: October 21, 2013. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mrs. Alejandra Perez NPPES

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

MRS. ALEJANDRA PEREZ (NPI 1184807943) is an individual psychologist in Lakewood, California and active in the NPI registry since December 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1184807943
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameMRS. ALEJANDRA PEREZ
Location Address4060 WATSON PLAZA DRLakewood, CA 90712-4033
Mailing Address4060 Watson Plaza DrLakewood, CA 90712-4033 · (562) 420-6325
Sole ProprietorNo
Enumeration DateDecember 14, 2007
Last NPPES UpdateOctober 21, 2013
✔ NPI 1184807943 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
Definition
A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.
4060 WATSON PLAZA DR, Lakewood, CA 90712

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Alejandra Perez 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 Alejandra Perez reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mental Health (Including Community Mental Health Center)
4842 HOLLYWOOD BLVD
Hollywood, CA 90027
  • Reassigned Medicare billing, California enrollment
  • 146 clinicians in this Medicare group
Psychologist
954 W FOOTHILL BLVD STE A
Upland, CA 91786
  • Reassigned Medicare billing, California enrollment
  • 76 clinicians in this Medicare group
Mental Health (Including Community Mental Health Center)
202 N 8TH ST
El Centro, CA 92243
  • Reassigned Medicare billing, California enrollment
  • 43 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 12

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

General Acute Care Hospital
4060 WATSON PLAZA DR
LAKEWOOD, CA 90712
Psychologist (Clinical)
4060 WATSON PLAZA DR
LAKEWOOD, CA 90712
Social Worker (Clinical)
4060 WATSON PLAZA DR
LAKEWOOD, CA 90712
Social Worker (Clinical)
4060 WATSON PLAZA DR
LAKEWOOD, CA 90712
Foster Care Agency
4060 WATSON PLAZA DR
LAKEWOOD, CA 90712
Psychologist (Clinical)
4060 WATSON PLAZA DR
LAKEWOOD, CA 90712
Social Worker (Clinical)
4060 WATSON PLAZA DR
LAKEWOOD, CA 90712
Clinic/Center (Adolescent and Children Mental Health)
4060 WATSON PLAZA DR
LAKEWOOD, CA 90712

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 Alejandra Perez's NPI number?

The NPI number for Alejandra Perez is 1184807943. It was assigned to this individual provider in the NPPES registry on December 14, 2007.

Where is Alejandra Perez located?

Alejandra Perez practices at 4060 Watson Plaza Dr, Lakewood, CA 90712. The listed phone number is (562) 420-6325.

What is Alejandra Perez's specialty?

The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.

Is Alejandra Perez enrolled in Medicare?

Yes. Alejandra Perez is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Alejandra Perez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alejandra Perez reassigns Medicare benefits to 3 organizations: Mission City Community Network, Inc. (Hollywood, CA), Foothills Psychological Services, Inc. (Upland, CA) and County Of Imperial (El Centro, 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 Alejandra Perez'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 Alejandra Perez was last updated on October 21, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.