MRS. MELANIE I CASTILLO MFT
NPI 1518090109
Marriage & Family Therapist in Newport Beach, CA
About Mrs. Melanie I Castillo Mft NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. MELANIE I CASTILLO MFT (NPI 1518090109) is an individual marriage & family therapist in Newport Beach, California and active in the NPI registry since March 2007. She 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)
Mrs. Melanie I Castillo Mft is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Melanie Castillo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Thousand Oaks, CA 91320
- Reassigned Medicare billing, California enrollment
- 86 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.
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 Melanie Castillo's NPI number?
The NPI number for Melanie Castillo is 1518090109. It was assigned to this individual provider in the NPPES registry on March 13, 2007.
Where is Melanie Castillo located?
Melanie Castillo practices at 412 Saint Andrews Rd, Newport Beach, CA 92663. The listed phone number is (714) 743-7801.
What is Melanie Castillo's specialty?
The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.
Is Melanie Castillo enrolled in Medicare?
Yes. Melanie Castillo is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Melanie Castillo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Melanie Castillo reassigns Medicare benefits to Thriveworks Clinical - California PC (Thousand Oaks, 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 Melanie Castillo'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 Melanie Castillo was last updated on August 4, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Mrs. Melanie I Castillo, MFT · NPI 1518090109
Marriage & Family Therapist provider in Newport Beach, California. Individual provider, active in the CMS NPPES registry since March 13, 2007.
## Identity
- **NPI:** 1518090109 (Entity type: Individual)
- **Enumerated:** March 13, 2007
- **Primary specialty:** Marriage & Family Therapist · taxonomy 106H00000X
- **Sole proprietor:** Yes
## Practice location
- **Address:** 412 SAINT ANDREWS RD, Newport Beach, CA 92663-5322
- **Phone:** (714) 743-7801
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Thriveworks Clinical - California PC (NPI 1801481395, Thousand Oaks, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 4, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1518090109) · Data from the CMS NPPES public registry.