KATHERINE CASTANARES AMFT
NPI 1689916348
Marriage & Family Therapist in San Diego, CA
About Katherine Castanares Amft NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATHERINE CASTANARES AMFT (NPI 1689916348) is an individual marriage & family therapist in San Diego, California, licensed in California (154682) and active in the NPI registry since March 2013. She is enrolled in Medicare PECOS and is a graduate of Other (2014).
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 and accepts Medicare assignment
Katherine Castanares Amft is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Katherine Castanares reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Jose, CA 95113
- Reassigned Medicare billing, California enrollment
- 3,139 clinicians in this Medicare group
Santa Clara, CA 95054
- Reassigned Medicare billing, California enrollment
- 1,607 clinicians in this Medicare group
San Francisco, CA 94111
- Reassigned Medicare billing, California enrollment
- 52 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 Katherine Castanares's NPI number?
The NPI number for Katherine Castanares is 1689916348. It was assigned to this individual provider in the NPPES registry on March 20, 2013.
Where is Katherine Castanares located?
Katherine Castanares practices at 214 Treewood St, San Diego, CA 92114. The listed phone number is (619) 228-1318.
What is Katherine Castanares's specialty?
The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.
Is Katherine Castanares enrolled in Medicare?
Yes. Katherine Castanares is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Katherine Castanares's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Castanares reassigns Medicare benefits to 3 organizations: Grow Healthcare Group PC (San Jose, CA), Sud Specialty Group - Ca (Santa Clara, CA) and Moona Medical Group Of California PC (San Francisco, 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 Katherine Castanares'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 Katherine Castanares was last updated on July 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Katherine Castanares, AMFT · NPI 1689916348
Marriage & Family Therapist provider in San Diego, California. Individual provider, active in the CMS NPPES registry since March 20, 2013.
## Identity
- **NPI:** 1689916348 (Entity type: Individual)
- **Enumerated:** March 20, 2013
- **Primary specialty:** Marriage & Family Therapist · taxonomy 106H00000X
- **State license:** 154682 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 214 TREEWOOD ST, San Diego, CA 92114-4328
- **Phone:** (619) 228-1318
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Grow Healthcare Group PC (NPI 1154994846, San Jose, CA); Sud Specialty Group - Ca (NPI 1972138238, Santa Clara, CA); Moona Medical Group Of California PC (NPI 1023824836, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** July 2, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1689916348) · Data from the CMS NPPES public registry.