MARCO GUILLEN LMFT
NPI 1487951869
Marriage & Family Therapist in Montebello, CA
About Marco Guillen Lmft NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARCO GUILLEN LMFT (NPI 1487951869) is an individual marriage & family therapist in Montebello, California, licensed in California (43686) and active in the NPI registry since February 2011. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Marco Guillen Lmft is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Marco Guillen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Pico Rivera, CA 90660
- Reassigned Medicare billing, California enrollment
- 13,921 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
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Marco Guillen's NPI number?
The NPI number for Marco Guillen is 1487951869. It was assigned to this individual provider in the NPPES registry on February 18, 2011.
Where is Marco Guillen located?
Marco Guillen practices at 3109 Via Breve, Montebello, CA 90640. The listed phone number is (323) 707-7621.
What is Marco Guillen's specialty?
The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.
Is Marco Guillen enrolled in Medicare?
Yes. Marco Guillen is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Marco Guillen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marco Guillen reassigns Medicare benefits to Southern California Permanente Medical Group (Pico Rivera, 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 Marco Guillen'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 Marco Guillen was last updated on February 18, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.