MURIEL CASAMAYOR
NPI 1831624360
Marriage & Family Therapist in Tustin, CA
About Muriel Casamayor NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MURIEL CASAMAYOR (NPI 1831624360) is an individual marriage & family therapist in Tustin, California, licensed in California (LMFT116554) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS and is a graduate of Other (2016).
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)
Muriel Casamayor is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Muriel Casamayor reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Tustin, CA 92780
- Reassigned Medicare billing, California enrollment
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 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
TUSTIN, CA 92780
TUSTIN, CA 92780
TUSTIN, CA 92780
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 Muriel Casamayor's NPI number?
The NPI number for Muriel Casamayor is 1831624360. It was assigned to this individual provider in the NPPES registry on April 21, 2017.
Where is Muriel Casamayor located?
Muriel Casamayor practices at 242 W Main St Ste 104, Tustin, CA 92780. The listed phone number is (714) 681-0052.
What is Muriel Casamayor's specialty?
The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.
Is Muriel Casamayor enrolled in Medicare?
Yes. Muriel Casamayor is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Muriel Casamayor's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Muriel Casamayor reassigns Medicare benefits to Insight Family Counseling And Wellness Services Inc (Tustin, 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 Muriel Casamayor'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 Muriel Casamayor was last updated on July 2, 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.
# Muriel Casamayor · NPI 1831624360
Marriage & Family Therapist provider in Tustin, California. Individual provider, active in the CMS NPPES registry since April 21, 2017.
## Identity
- **NPI:** 1831624360 (Entity type: Individual)
- **Enumerated:** April 21, 2017
- **Primary specialty:** Marriage & Family Therapist · taxonomy 106H00000X
- **State license:** LMFT116554 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 242 W MAIN ST STE 104, Tustin, CA 92780-7715
- **Phone:** (714) 681-0052
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Insight Family Counseling And Wellness Services Inc (NPI 1083375471, Tustin, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** July 2, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1831624360) · Data from the CMS NPPES public registry.