CLIFFORD WAYNE SELLS MD
NPI 1669488268
Pediatrics - Adolescent Medicine in Portland, OR
About Clifford Wayne Sells Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CLIFFORD WAYNE SELLS MD (NPI 1669488268) is an individual adolescent medicine provider in Portland, Oregon, licensed in Oregon (MD19784) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Clifford Wayne Sells Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Clifford Sells reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Portland, OR 97205
- Reassigned Medicare billing, Oregon enrollment
- 17 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 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 Clifford Sells's NPI number?
The NPI number for Clifford Sells is 1669488268. It was assigned to this individual provider in the NPPES registry on August 1, 2006.
Where is Clifford Sells located?
Clifford Sells practices at 3181 SW Sam Jackson Park Rd, Portland, OR 97239. The listed phone number is (503) 494-3236.
What is Clifford Sells's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Adolescent Medicine, with taxonomy code 2080A0000X.
Is Clifford Sells enrolled in Medicare?
Yes. Clifford Sells is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Clifford Sells's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Clifford Sells reassigns Medicare benefits to Outside In (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 Clifford Sells'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 Clifford Sells was last updated on July 16, 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.
# Clifford Wayne Sells, MD · NPI 1669488268
Adolescent Medicine physician in Portland, Oregon. Individual provider, active in the CMS NPPES registry since August 1, 2006.
## Identity
- **NPI:** 1669488268 (Entity type: Individual)
- **Enumerated:** August 1, 2006
- **Primary specialty:** Pediatrics - Adolescent Medicine · taxonomy 2080A0000X
- **State license:** MD19784 (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 3181 SW SAM JACKSON PARK RD, Portland, OR 97239-3011
- **Phone:** (503) 494-3236
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for durable medical equipment, power mobility devices
- **Bills Medicare through:** Outside In (NPI 1477005619, Portland, OR), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 16, 2007
- **Other identifiers:** Medicare UPIN F18284; Medicaid 081872 (OR)
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Source: [NPI Profile](https://npiprofile.com/npi/1669488268) · Data from the CMS NPPES public registry.