JUAN C MEJIAS
NPI 1558560730
Psychologist - Counseling in San Ysidro, CA

Active since July 17, 2007PECOS Enrolled
4004 BEYER BLVD, SAN YSIDRO, CA 92173(619) 428-4463(619) 428-7952 Get Directions Write a Review

NPPES record last updated: July 17, 2007. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Juan C Mejias NPPES

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

JUAN C MEJIAS (NPI 1558560730) is an individual counseling provider in San Ysidro, California, licensed in California (PSB31000) and active in the NPI registry since July 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1558560730
Entity TypeIndividualMale
Primary Taxonomy103TC1900X
Provider Legal NameJUAN C MEJIAS
Location Address4004 BEYER BLVDSan Ysidro, CA 92173-2007
Mailing Address4004 Beyer BlvdSan Ysidro, CA 92173-2007 · (619) 428-4463 · Fax (619) 428-7952
Fax(619) 428-7952
Sole ProprietorNo
Enumeration DateJuly 17, 2007
✔ NPI 1558560730 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · CounselingBehavioral Health & Social Service Providers
Taxonomy Code103TC1900X
License✔ Licensed in CA · PSB31000
Definition
A psychologist who specializes in general practice and health service. It focuses on how people function both personally and in their relationships at all ages. Counseling psychology addresses the emotional, social, work, school and physical health concerns people may have at different stages in their lives, focusing on typical life stresses and more severe issues with which people may struggle as individuals and as a part of families, groups and organizations. Counseling psychologists help people with physical, emotional and mental health issues improve their sense of well-being, alleviate feelings of distress and resolve crises. They also provide assessment, diagnosis, and treatment of more severe psychological symptoms.
4004 BEYER BLVD, San Ysidro, CA 92173

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Juan C Mejias 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 Juan Mejias reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Federally Qualified Health Center (FQHC)
460 N ELM ST
Escondido, CA 92025
  • Reassigned Medicare billing, California enrollment
  • 332 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.

Clinic/Center (Rural Health)
4004 BEYER BLVD
SAN YSIDRO, CA 92173
Registered Nurse (Infection Control)
4004 BEYER BLVD
SAN YSIDRO, CA 92173
Marriage & Family Therapist
4004 BEYER BLVD
SAN YSIDRO, CA 92173
Physician Assistant (Medical)
4004 BEYER BLVD
SAN YSIDRO, CA 92173
Internal Medicine
4004 BEYER BLVD
SAN YSIDRO, CA 92173
Internal Medicine
4004 BEYER BLVD
SAN YSIDRO, CA 92173
Physician Assistant
4004 BEYER BLVD
SAN YSIDRO, CA 92173
Internal Medicine (Infectious Disease)
4004 BEYER BLVD
SAN YSIDRO, CA 92173

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 Juan Mejias's NPI number?

The NPI number for Juan Mejias is 1558560730. It was assigned to this individual provider in the NPPES registry on July 17, 2007.

Where is Juan Mejias located?

Juan Mejias practices at 4004 Beyer Blvd, San Ysidro, CA 92173. The listed phone number is (619) 428-4463.

What is Juan Mejias's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Counseling, with taxonomy code 103TC1900X.

Is Juan Mejias enrolled in Medicare?

Yes. Juan Mejias is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Juan Mejias's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Juan Mejias reassigns Medicare benefits to Neighborhood Healthcare (Escondido, 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 Juan Mejias'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 Juan Mejias was last updated on July 17, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.