KNOTT STREET DERMATOLOGY PC
NPI 1891741864
Specialist in Portland, OR
About Knott Street Dermatology Pc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KNOTT STREET DERMATOLOGY PC (NPI 1891741864) is a healthcare organization registered as a specialist in Portland, Oregon and active in the NPI registry since May 2006. The organization holds a CLIA Microscopy certificate valid through October 8, 2027 and lists Eric Leif Hanson, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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)
Knott Street Dermatology Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
7Medicare enrollment records show 7 clinicians reassign Medicare billing to Knott Street Dermatology PC, which bills Medicare for the services they deliver. Of these, 4 practice at this address and 5 within 10 miles. They are listed nearest first.
Clinicians, nearest first (7)
Source: 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) 38D1091271
Knott Street Dermatology · Milwaukie, 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 Knott Street Dermatology PC's NPI number?
The NPI number for Knott Street Dermatology PC is 1891741864. It was assigned to this organization in the NPPES registry on May 25, 2006.
Where is Knott Street Dermatology PC located?
Knott Street Dermatology PC is located at 301 NE Knott St, Portland, OR 97212. The listed phone number is (503) 253-2675.
What is Knott Street Dermatology PC's specialty?
The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.
Is Knott Street Dermatology PC enrolled in Medicare?
Yes. Knott Street Dermatology PC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Knott Street Dermatology PC?
According to the CMS Revalidation Reassignment List (October 2026 release), 7 clinicians in 2 Medicare specialties reassign their Medicare billing to Knott Street Dermatology PC. 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 Dermatology (4) and Nurse Practitioner (3). Of these, 4 practice at this address and 5 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Knott Street Dermatology PC hold a CLIA laboratory certificate?
Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 38D1091271) is associated with this NPI, valid through October 8, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
What insurance does Knott Street Dermatology PC accept?
Health plans from BridgeSpan Health Company, Moda Health Plan, Inc., Providence Health Plan and Regence BlueCross BlueShield of Oregon list Knott Street Dermatology PC 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 Knott Street Dermatology PC was last updated on August 13, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Knott Street Dermatology Pc · NPI 1891741864
Specialist organization in Portland, Oregon. Organization record, active in the CMS NPPES registry since May 25, 2006.
## Identity
- **NPI:** 1891741864 (Entity type: Organization)
- **Enumerated:** May 25, 2006
- **Primary specialty:** Specialist · taxonomy 174400000X
- **Organization subpart:** No
- **Authorized official:** Eric Hanson, PRESIDENT
## Practice location
- **Address:** 301 NE KNOTT ST, Portland, OR 97212-3014
- **Phone:** (503) 253-2675 · **Fax:** (503) 253-4297
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 7 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Dermatology (4), Nurse Practitioner (3); 4 practice at this address and 5 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 13, 2014
- **Other identifiers:** Medicare UPIN H61417; Medicare PIN R134757 (OR)
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1891741864) · Data from the CMS NPPES public registry.