DR. SARA WALKER PH.D.
NPI 1578855490
Clinical Neuropsychologist in Portland, OR
About Dr. Sara Walker Ph.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SARA WALKER PH.D. (NPI 1578855490) is an individual clinical neuropsychologist in Portland, Oregon, licensed in Michigan (6301014318) and active in the NPI registry since May 2011. She is enrolled in Medicare PECOS, is affiliated with Ohsu Hospital And Clinics, and is a graduate of Other (2009).
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 and accepts Medicare assignment
Dr. Sara Walker Ph.d. 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 Sara Walker reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Portland, OR 97239
- Reassigned Medicare billing, Oregon enrollment
- 2,212 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ohsu Hospital And Clinics
Acute Care Hospitals · Portland, ORMedicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PORTLAND, OR 97239
PORTLAND, OR 97239
PORTLAND, OR 97239
PORTLAND, OR 97239
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 Sara Walker's NPI number?
The NPI number for Sara Walker is 1578855490. It was assigned to this individual provider in the NPPES registry on May 11, 2011.
Where is Sara Walker located?
Sara Walker practices at 3181 SW Sam Jackson Park Rd, Portland, OR 97239. The listed phone number is (503) 494-8014.
What is Sara Walker's specialty?
The primary specialty registered for this NPI is Clinical Neuropsychologist with taxonomy code 103G00000X.
Is Sara Walker enrolled in Medicare?
Yes. Sara Walker 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 Sara Walker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sara Walker reassigns Medicare benefits to University Professional Services (Portland, OR). 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 Sara Walker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Sara Walker affiliated with any hospitals?
According to CMS data, Sara Walker is affiliated with Ohsu Hospital And Clinics.
When was this NPI record last updated?
The NPPES record for Sara Walker was last updated on August 11, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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. Sara Walker, PH.D. · NPI 1578855490
Clinical Neuropsychologist provider in Portland, Oregon. Individual provider, active in the CMS NPPES registry since May 11, 2011.
## Identity
- **NPI:** 1578855490 (Entity type: Individual)
- **Enumerated:** May 11, 2011
- **Primary specialty:** Clinical Neuropsychologist · taxonomy 103G00000X
- **State license:** 6301014318 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 3181 SW SAM JACKSON PARK RD, Portland, OR 97239-3011
- **Phone:** (503) 494-8014
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** University Professional Services (NPI 1376709535, Portland, OR), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2009
## Record status
- **NPPES last updated:** August 11, 2011
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Source: [NPI Profile](https://npiprofile.com/npi/1578855490) · Data from the CMS NPPES public registry.