STACIE PASIMIO MS LMFT
NPI 1275193583
Marriage & Family Therapist in Ontario, CA
About Stacie Pasimio Ms Lmft NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STACIE PASIMIO MS LMFT (NPI 1275193583), doing business as Castle Rock Family Services, is a healthcare organization registered as a marriage & family therapist in Ontario, California and active in the NPI registry since June 2019. The organization maintains a secondary practice location in Ontario and lists Stacie A Pasimio, Lmft, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Stacie Pasimio Ms Lmft is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
7Medicare enrollment records show 7 clinicians reassign Medicare billing to Stacie Pasimio Ms Lmft, which bills Medicare for the services they deliver. Of these, 4 practice at this address and 6 within 10 miles. They are listed nearest first.
Clinicians, nearest first (7)
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 Stacie Pasimio Ms Lmft's NPI number?
The NPI number for Stacie Pasimio Ms Lmft is 1275193583. It was assigned to this organization in the NPPES registry on June 18, 2019. The provider is doing business as Castle Rock Family Services.
Where is Stacie Pasimio Ms Lmft located?
Stacie Pasimio Ms Lmft is located at 3281 E Guasti Rd Ste 713, Ontario, CA 91761. The listed phone number is (909) 600-8134.
What is Stacie Pasimio Ms Lmft's specialty?
The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.
Is Stacie Pasimio Ms Lmft enrolled in Medicare?
Yes. Stacie Pasimio Ms Lmft is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Stacie Pasimio Ms Lmft?
According to the CMS Revalidation Reassignment List (October 2026 release), 7 clinicians in 2 Medicare specialties reassign their Medicare billing to Stacie Pasimio Ms Lmft. A 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 the clinician's services. The largest specialties are Marriage and Family Therapist (6) and Clinical Social Worker (1). Of these, 4 practice at this address and 6 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Stacie Pasimio Ms Lmft was last updated on December 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Stacie Pasimio Ms Lmft · NPI 1275193583
Marriage & Family Therapist organization in Ontario, California. Organization record, active in the CMS NPPES registry since June 18, 2019.
## Identity
- **NPI:** 1275193583 (Entity type: Organization)
- **Enumerated:** June 18, 2019
- **Primary specialty:** Marriage & Family Therapist · taxonomy 106H00000X
- **Also known as:** Castle Rock Family Services (Doing Business As)
- **Organization subpart:** No
- **Authorized official:** Stacie Pasimio, LMFT
## Practice location
- **Address:** 3281 E GUASTI RD STE 713, Ontario, CA 91761-7622
- **Phone:** (909) 600-8134
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 7 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Marriage and Family Therapist (6), Clinical Social Worker (1); 4 practice at this address and 6 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** December 5, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1275193583) · Data from the CMS NPPES public registry.