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MRS. MIRIAM GUILLEN-IBARRA
NPI 1164691424
Counselor - Mental Health in Chula Vista, CA

Active since February 20, 2008PECOS Enrolled
835 3RD AVE STE C, CHULA VISTA, CA 91911(619) 427-4667 Get Directions Write a Review

NPPES record last updated: December 16, 2009. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Mrs. Miriam Guillen-ibarra NPPES

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

MRS. MIRIAM GUILLEN-IBARRA (NPI 1164691424) is an individual mental health provider in Chula Vista, California and active in the NPI registry since February 2008. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1164691424
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameMRS. MIRIAM GUILLEN-IBARRA
Location Address835 3RD AVE STE CChula Vista, CA 91911-1352
Mailing Address835 3rd Ave Ste CChula Vista, CA 91911-1352 · (619) 427-4667
Phone(619) 427-4667
Sole ProprietorNo
Enumeration DateFebruary 20, 2008
Last NPPES UpdateDecember 16, 2009
✔ NPI 1164691424 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
835 3RD AVE STE C, Chula Vista, CA 91911
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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)

Mrs. Miriam Guillen-ibarra 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

2

Medicare enrollment records show Miriam Guillen-ibarra reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Centro De Salud De La Comunidad De San Ysidro, Inc.
0.1 mi
Federally Qualified Health Center (FQHC)
865 3RD AVENUE, SUITE #133
Chula Vista, CA 91910
  • Reassigned Medicare billing, California enrollment
  • 577 clinicians in this Medicare group
NPI 1912950882 (619) 662-4100
Sud Specialty Group - Ca
431 mi
Addiction Medicine
4633 OLD IRONSIDES DR STE 304
Santa Clara, CA 95054
  • Reassigned Medicare billing, California enrollment
  • 1,607 clinicians in this Medicare group
NPI 1972138238 (323) 205-7088

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.

ROSANNE SERRANO
Counselor (Mental Health)
835 3RD AVE STE C
CHULA VISTA, CA 91911
San Diego County (619) 427-4661
MRS. LAURA PATRICIA REYES BSW
Rehabilitation Counselor
835 3RD AVE STE C
CHULA VISTA, CA 91911
San Diego County (619) 427-4661
MRS. ROSALINDA BARBA MASTERS
Counselor (Mental Health)
835 3RD AVE STE C
CHULA VISTA, CA 91911
San Diego County (619) 827-4329
GRICELDA CUEVAS-RUIZ B.A.
Case Manager/Care Coordinator
835 3RD AVE STE C
CHULA VISTA, CA 91911
San Diego County (619) 427-4661
LEEDA DOST
Marriage & Family Therapist
835 3RD AVE STE C
CHULA VISTA, CA 91911
San Diego County (619) 427-4661
RHEALYN ILAGAN OIRA R.N.
Counselor (Professional)
835 3RD AVE STE C
CHULA VISTA, CA 91911
San Diego County (619) 427-4661
RADHIKA KATYAL-CASTILLO PSY.D.
Psychologist (Clinical)
835 3RD AVE STE C
CHULA VISTA, CA 91911
San Diego County (619) 427-4661
KELSEY R CAMPION B.C.C., LADC, RRW
Counselor (Mental Health)
835 3RD AVE STE C
CHULA VISTA, CA 91911
San Diego County (619) 427-4661

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 Miriam Guillen-ibarra's NPI number?

The NPI number for Miriam Guillen-ibarra is 1164691424. It was assigned to this individual provider in the NPPES registry on February 20, 2008.

Where is Miriam Guillen-ibarra located?

Miriam Guillen-ibarra practices at 835 3rd Ave Ste C, Chula Vista, CA 91911. The listed phone number is (619) 427-4667.

What is Miriam Guillen-ibarra's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Is Miriam Guillen-ibarra enrolled in Medicare?

Yes. Miriam Guillen-ibarra is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Miriam Guillen-ibarra's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Miriam Guillen-ibarra reassigns Medicare benefits to 2 organizations: Centro De Salud De La Comunidad De San Ysidro, Inc. (Chula Vista, CA) and Sud Specialty Group - Ca (Santa Clara, 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 Miriam Guillen-ibarra'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 Miriam Guillen-ibarra was last updated on December 16, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.