LINDA STILWELL
NPI 1780236422
Counselor - Mental Health in Rancho Cucamonga, CA
About Linda Stilwell NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LINDA STILWELL (NPI 1780236422) is an individual mental health provider in Rancho Cucamonga, California and active in the NPI registry since July 2019. She is enrolled in Medicare PECOS, maintains a secondary practice location in Mission Viejo, and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Linda Stilwell is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Linda Stilwell reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Jose, CA 95113
- Reassigned Medicare billing, California enrollment
- 3,139 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
RANCHO CUCAMONGA, CA 91730
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 Linda Stilwell's NPI number?
The NPI number for Linda Stilwell is 1780236422. It was assigned to this individual provider in the NPPES registry on July 12, 2019.
Where is Linda Stilwell located?
Linda Stilwell practices at 9500 Haven Ave, Rancho Cucamonga, CA 91730. The listed phone number is (909) 980-6700.
What is Linda Stilwell's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.
Is Linda Stilwell enrolled in Medicare?
Yes. Linda Stilwell is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Linda Stilwell's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Linda Stilwell reassigns Medicare benefits to Grow Healthcare Group PC (San Jose, 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 Linda Stilwell'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 Linda Stilwell was last updated on September 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Linda Stilwell · NPI 1780236422
Mental Health provider in Rancho Cucamonga, California. Individual provider, active in the CMS NPPES registry since July 12, 2019.
## Identity
- **NPI:** 1780236422 (Entity type: Individual)
- **Enumerated:** July 12, 2019
- **Primary specialty:** Counselor - Mental Health · taxonomy 101YM0800X
- **Sole proprietor:** Yes
## Practice location
- **Address:** 9500 HAVEN AVE, Rancho Cucamonga, CA 91730-5807
- **Phone:** (909) 980-6700
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Grow Healthcare Group PC (NPI 1154994846, San Jose, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** September 29, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1780236422) · Data from the CMS NPPES public registry.