HEATHER LYNN STOUT LCSW
NPI 1962659128
Social Worker - Clinical in Simi Valley, CA
About Heather Lynn Stout Lcsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HEATHER LYNN STOUT LCSW (NPI 1962659128) is an individual clinical provider in Simi Valley, California, licensed in California (63590) and active in the NPI registry since August 2008. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Heather Lynn Stout Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Heather Stout reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Woodland Hills, CA 91367
- Reassigned Medicare billing, California enrollment
- 13,921 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 93063 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SIMI VALLEY, CA 93063
SIMI VALLEY, CA 93063
SIMI VALLEY, CA 93063
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 Heather Stout's NPI number?
The NPI number for Heather Stout is 1962659128. It was assigned to this individual provider in the NPPES registry on August 19, 2008. The provider is also known as Heather Lynn Vardanian.
Where is Heather Stout located?
Heather Stout practices at 3900 Alamo St, Simi Valley, CA 93063. The listed phone number is (833) 574-2273.
What is Heather Stout's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Heather Stout enrolled in Medicare?
Yes. Heather Stout is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Heather Stout's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Heather Stout reassigns Medicare benefits to Southern California Permanente Medical Group (Woodland Hills, 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 Heather Stout'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 Heather Stout was last updated on March 18, 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.
# Heather Lynn Stout, LCSW · NPI 1962659128
Clinical provider in Simi Valley, California. Individual provider, active in the CMS NPPES registry since August 19, 2008.
## Identity
- **NPI:** 1962659128 (Entity type: Individual)
- **Enumerated:** August 19, 2008
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 63590 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 3900 ALAMO ST, Simi Valley, CA 93063-2111
- **Phone:** (833) 574-2273
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Southern California Permanente Medical Group (NPI 1952333478, Woodland Hills, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 18, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1962659128) · Data from the CMS NPPES public registry.