AARON PARKER, PSYCHOLOGY, PLLC
NPI 1174173272
Community/Behavioral Health in Seattle, WA
About Aaron Parker, Psychology, Pllc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AARON PARKER, PSYCHOLOGY, PLLC (NPI 1174173272) is a healthcare organization registered as a community/behavioral health in Seattle, Washington and active in the NPI registry since September 2019. The organization lists Aaron Parker, Owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Aaron Parker, Psychology, Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Aaron Parker, Psychology, PLLC, which bills Medicare for the services this clinician delivers.
Clinician (1)
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 Aaron Parker, Psychology, PLLC's NPI number?
The NPI number for Aaron Parker, Psychology, PLLC is 1174173272. It was assigned to this organization in the NPPES registry on September 19, 2019.
Where is Aaron Parker, Psychology, PLLC located?
Aaron Parker, Psychology, PLLC is located at 509 Olive Way Ste 204, Seattle, WA 98101. The listed phone number is (206) 329-5255.
What is Aaron Parker, Psychology, PLLC's specialty?
The primary specialty registered for this NPI is Community/Behavioral Health with taxonomy code 251S00000X.
Is Aaron Parker, Psychology, PLLC enrolled in Medicare?
Yes. Aaron Parker, Psychology, PLLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Aaron Parker, Psychology, PLLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Clinical Psychologist) reassigns their Medicare billing to Aaron Parker, Psychology, PLLC. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Aaron Parker, Psychology, PLLC was last updated on July 17, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Aaron Parker, Psychology, Pllc · NPI 1174173272
Community/Behavioral Health organization in Seattle, Washington. Organization record, active in the CMS NPPES registry since September 19, 2019.
## Identity
- **NPI:** 1174173272 (Entity type: Organization)
- **Enumerated:** September 19, 2019
- **Primary specialty:** Community/Behavioral Health · taxonomy 251S00000X
- **Organization subpart:** No
- **Authorized official:** Aaron Parker, OWNER
## Practice location
- **Address:** 509 OLIVE WAY STE 204, Seattle, WA 98101-1726
- **Phone:** (206) 329-5255
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Clinical Psychologist) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 17, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1174173272) · Data from the CMS NPPES public registry.