MYSTI RACHELLE RAINWATER LPC
NPI 1538377932
Counselor - Professional in Phoenix, AZ
About Mysti Rachelle Rainwater Lpc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MYSTI RACHELLE RAINWATER LPC (NPI 1538377932) is an individual professional provider in Phoenix, Arizona, licensed in Arizona (LPC-12651) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS, maintains a secondary practice location in Chandler, and is a graduate of Other (2004).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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 and accepts Medicare assignment
Mysti Rachelle Rainwater Lpc 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 Reassignment
Medicare enrollment records show Mysti Rainwater reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Phoenix, AZ 85044
- Reassigned Medicare billing, Arizona enrollment
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 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PHOENIX, AZ 85044
PHOENIX, AZ 85044
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 Mysti Rainwater's NPI number?
The NPI number for Mysti Rainwater is 1538377932. It was assigned to this individual provider in the NPPES registry on May 18, 2007. The provider is also known as Mysti Rachelle Vanaken Lpc.
Where is Mysti Rainwater located?
Mysti Rainwater practices at 11011 S 48th St Suite 101, Phoenix, AZ 85044. The listed phone number is (480) 223-8263.
What is Mysti Rainwater's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.
Is Mysti Rainwater enrolled in Medicare?
Yes. Mysti Rainwater 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 organization bills Medicare for Mysti Rainwater's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mysti Rainwater reassigns Medicare benefits to Ahwatukee Psychology LLC (Phoenix, AZ). 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 Mysti Rainwater'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 Mysti Rainwater was last updated on February 27, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Mysti Rachelle Rainwater, LPC · NPI 1538377932
Professional provider in Phoenix, Arizona. Individual provider, active in the CMS NPPES registry since May 18, 2007.
## Identity
- **NPI:** 1538377932 (Entity type: Individual)
- **Enumerated:** May 18, 2007
- **Primary specialty:** Counselor - Professional · taxonomy 101YP2500X
- **State license:** LPC-12651 (Arizona)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 11011 S 48TH ST, SUITE 101, Phoenix, AZ 85044-1779
- **Phone:** (480) 223-8263 · **Fax:** (480) 632-9639
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Ahwatukee Psychology LLC (NPI 1326608290, Phoenix, AZ), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2004
## Record status
- **NPPES last updated:** February 27, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1538377932) · Data from the CMS NPPES public registry.