WAYNE MARSTON CLARK MD
NPI 1356357958
Psychiatry & Neurology - Neurology in Portland, OR
About Wayne Marston Clark Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WAYNE MARSTON CLARK MD (NPI 1356357958) is an individual neurology provider in Portland, Oregon, licensed in Oregon (MD16591) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Ohsu Hospital And Clinics, and is a graduate of Oregon Health Sciences University School Of Medicine (1985).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Accepted Insurance
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
Wayne Marston Clark Md 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 Wayne Clark 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.
Areas of Expertise CMS Part B claims 6
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ohsu Hospital And Clinics
Acute Care Hospitals · Portland, ORColumbia Memorial Hospital
Critical Access Hospitals · Astoria, ORPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 97239 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare 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 Wayne Clark's NPI number?
The NPI number for Wayne Clark is 1356357958. It was assigned to this individual provider in the NPPES registry on August 1, 2006.
Where is Wayne Clark located?
Wayne Clark practices at 3181 SW Sam Jackson Park Rd, Portland, OR 97239. The listed phone number is (503) 494-7772.
What is Wayne Clark's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is Wayne Clark enrolled in Medicare?
Yes. Wayne Clark 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 Wayne Clark's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Wayne Clark 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 Wayne Clark's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Wayne Clark accept?
Health plans from PacificSource Health Plans and Providence Health Plan list Wayne Clark 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.
Is Wayne Clark affiliated with any hospitals?
According to CMS data, Wayne Clark is affiliated with Ohsu Hospital And Clinics and Columbia Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Wayne Clark was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Wayne Marston Clark, MD · NPI 1356357958
Neurology physician in Portland, Oregon. Individual provider, active in the CMS NPPES registry since August 1, 2006.
## Identity
- **NPI:** 1356357958 (Entity type: Individual)
- **Enumerated:** August 1, 2006
- **Primary specialty:** Psychiatry & Neurology - Neurology · taxonomy 2084N0400X
- **State license:** MD16591 (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 3181 SW SAM JACKSON PARK RD, Portland, OR 97239-3011
- **Phone:** (503) 494-7772
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **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:** Oregon Health Sciences University School Of Medicine, class of 1985
## Record status
- **NPPES last updated:** July 8, 2007
- **Other identifiers:** Medicare UPIN E07561; Medicaid 017629 (OR)
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Source: [NPI Profile](https://npiprofile.com/npi/1356357958) · Data from the CMS NPPES public registry.