ARIEL WHITLOCK MFT, NCC
NPI 1427442441
Counselor - Mental Health in San Jose, CA
About Ariel Whitlock Mft, Ncc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ARIEL WHITLOCK MFT, NCC (NPI 1427442441) is an individual mental health provider in San Jose, California, licensed in California (85882) and active in the NPI registry since March 2015. 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)
Ariel Whitlock Mft, Ncc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Ariel Whitlock reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Santa Clara, CA 95051
- Reassigned Medicare billing, California enrollment
- 20,078 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 Ariel Whitlock's NPI number?
The NPI number for Ariel Whitlock is 1427442441. It was assigned to this individual provider in the NPPES registry on March 27, 2015.
Where is Ariel Whitlock located?
Ariel Whitlock practices at 1361 S. Winchester Suite 101, San Jose, CA 95128. The listed phone number is (775) 351-9411.
What is Ariel Whitlock's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.
Is Ariel Whitlock enrolled in Medicare?
Yes. Ariel Whitlock is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Ariel Whitlock's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ariel Whitlock reassigns Medicare benefits to Permanente Medical Group Inc (Santa Clara, 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 Ariel Whitlock'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 Ariel Whitlock was last updated on March 27, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Ariel Whitlock, MFT, NCC · NPI 1427442441
Mental Health provider in San Jose, California. Individual provider, active in the CMS NPPES registry since March 27, 2015.
## Identity
- **NPI:** 1427442441 (Entity type: Individual)
- **Enumerated:** March 27, 2015
- **Primary specialty:** Counselor - Mental Health · taxonomy 101YM0800X
- **State license:** 85882 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1361 S. WINCHESTER, SUITE 101, San Jose, CA 95128
- **Phone:** (775) 351-9411
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Permanente Medical Group Inc (NPI 1073606299, Santa Clara, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 27, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1427442441) · Data from the CMS NPPES public registry.