DR. KARLA ANN MUELLER-SCHRADER PH.D.
NPI 1821135708
Clinical Neuropsychologist in Sun City, AZ
About Dr. Karla Ann Mueller-schrader Ph.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KARLA ANN MUELLER-SCHRADER PH.D. (NPI 1821135708) is an individual clinical neuropsychologist in Sun City, Arizona, licensed in Arizona (3818) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS and is a graduate of Other (1990).
NPPES Registry Identity
Specialties & Licenses 3
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Karla Ann Mueller-schrader Ph.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Karla Mueller-schrader reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Durham, NC 27701
- Reassigned Medicare billing, Arizona enrollment
- 99 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 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SUN CITY, AZ 85373
SUN CITY, AZ 85373
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 Karla Mueller-schrader's NPI number?
The NPI number for Karla Mueller-schrader is 1821135708. It was assigned to this individual provider in the NPPES registry on January 31, 2007.
Where is Karla Mueller-schrader located?
Karla Mueller-schrader practices at 10451 W Palmeras Dr Suite 126C, Sun City, AZ 85373. The listed phone number is (623) 810-5501.
What is Karla Mueller-schrader's specialty?
The primary specialty registered for this NPI is Clinical Neuropsychologist with taxonomy code 103G00000X.
Is Karla Mueller-schrader enrolled in Medicare?
Yes. Karla Mueller-schrader is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Karla Mueller-schrader's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karla Mueller-schrader reassigns Medicare benefits to Mental Health Specialty Group PA (Durham, NC). 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 Karla Mueller-schrader's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karla Mueller-schrader accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Blue Cross Blue Shield of Arizona, Cigna HealthCare of Arizona, Inc and Cigna HealthCare of Florida, Inc. and 11 other insurers list Karla Mueller-schrader as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Karla Mueller-schrader was last updated on October 22, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Dr. Karla Ann Mueller-Schrader, PH.D. · NPI 1821135708
Clinical Neuropsychologist provider in Sun City, Arizona. Individual provider, active in the CMS NPPES registry since January 31, 2007.
## Identity
- **NPI:** 1821135708 (Entity type: Individual)
- **Enumerated:** January 31, 2007
- **Primary specialty:** Clinical Neuropsychologist · taxonomy 103G00000X
- **State license:** 3818 (Arizona)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 10451 W PALMERAS DR, SUITE 126C, Sun City, AZ 85373-2011
- **Phone:** (623) 810-5501
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Mental Health Specialty Group PA (NPI 1801472634, Durham, NC), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1990
## Record status
- **NPPES last updated:** October 22, 2009
- **Other identifiers:** Medicaid 129354 (AZ)
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Source: [NPI Profile](https://npiprofile.com/npi/1821135708) · Data from the CMS NPPES public registry.