NORTHWEST RENAL CLINIC, INC.
NPI 1982931333
Internal Medicine - Nephrology in Portland, OR
About Northwest Renal Clinic, Inc. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NORTHWEST RENAL CLINIC, INC. (NPI 1982931333) is a healthcare organization registered as a nephrology in Portland, Oregon and active in the NPI registry since November 2009. The organization holds a CLIA Microscopy certificate valid through November 5, 2027 and lists Clayton M Smiley, Md, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Northwest Renal Clinic, Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
31Medicare enrollment records show 31 clinicians reassign Medicare billing to Northwest Renal Clinic, Inc., which bills Medicare for the services they deliver. Of these, 8 practice at this address and 23 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 3
Nearest to this location (20)
See all 31Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate for Provider-Performed Microscopy Procedures (PPMP) 38D1107523
Northwest Renal Clinic Inc · Portland, ORFrequently 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 Northwest Renal Clinic, Inc.'s NPI number?
The NPI number for Northwest Renal Clinic, Inc. is 1982931333. It was assigned to this organization in the NPPES registry on November 5, 2009.
Where is Northwest Renal Clinic, Inc. located?
Northwest Renal Clinic, Inc. is located at 4224 NE Halsey St Ste 300, Portland, OR 97213. The listed phone number is (503) 235-5509.
What is Northwest Renal Clinic, Inc.'s specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is Northwest Renal Clinic, Inc. enrolled in Medicare?
Yes. Northwest Renal Clinic, Inc. is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Northwest Renal Clinic, Inc.?
According to the CMS Revalidation Reassignment List (October 2026 release), 31 clinicians in 3 Medicare specialties reassign their Medicare billing to Northwest Renal Clinic, Inc.. 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. The largest specialties are Nephrology (24), Nurse Practitioner (6) and Internal Medicine (1). Of these, 8 practice at this address and 23 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Northwest Renal Clinic, Inc. hold a CLIA laboratory certificate?
Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 38D1107523) is associated with this NPI, valid through November 5, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
What insurance does Northwest Renal Clinic, Inc. accept?
Health plans from Providence Health Plan list Northwest Renal Clinic, Inc. 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 Northwest Renal Clinic, Inc. was last updated on July 12, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Northwest Renal Clinic, Inc. · NPI 1982931333
Nephrology organization in Portland, Oregon. Organization record, active in the CMS NPPES registry since November 5, 2009.
## Identity
- **NPI:** 1982931333 (Entity type: Organization)
- **Enumerated:** November 5, 2009
- **Primary specialty:** Internal Medicine - Nephrology · taxonomy 207RN0300X
- **Organization subpart:** No
- **Authorized official:** Clayton Smiley, MD
## Practice location
- **Address:** 4224 NE HALSEY ST STE 300, Portland, OR 97213-1568
- **Phone:** (503) 235-5509 · **Fax:** (503) 235-5335
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 31 clinicians in 3 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nephrology (24), Nurse Practitioner (6), Internal Medicine (1); 8 practice at this address and 23 within 10 miles; [full list](https://npiprofile.com/npi/1982931333/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 12, 2023
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1982931333) · Data from the CMS NPPES public registry.