TIMOTHY EDWARDS KNOWLTON MD
NPI 1417697061
Emergency Medicine in Portland, OR
About Timothy Edwards Knowlton Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TIMOTHY EDWARDS KNOWLTON MD (NPI 1417697061) is an individual emergency medicine provider in Portland, Oregon, licensed in Oregon (MD222467) and active in the NPI registry since March 2022. He is enrolled in Medicare PECOS, is affiliated with Legacy Silverton Medical Center, and is a graduate of Tulane University School Of Medicine (2022).
NPPES Registry Identity
Specialties & Licenses 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
Timothy Edwards Knowlton 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 Reassignments
2Medicare enrollment records show Timothy Knowlton reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Portland, OR 97204
- Reassigned Medicare billing, Oregon enrollment
- 163 clinicians in this Medicare group
Molalla, OR 97038
- Reassigned Medicare billing, Oregon enrollment
- 568 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Legacy Silverton Medical Center
Acute Care Hospitals · Silverton, ORLegacy Meridian Park Medical Center
Acute Care Hospitals · Tualatin, 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.
Other Providers at the Same Location NPPES 10
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
PORTLAN, 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 Timothy Knowlton's NPI number?
The NPI number for Timothy Knowlton is 1417697061. It was assigned to this individual provider in the NPPES registry on March 31, 2022.
Where is Timothy Knowlton located?
Timothy Knowlton practices at Ohsu 3181 SW Sam Jackson Park Road, Portland, OR 97239. The listed phone number is (503) 494-8211.
What is Timothy Knowlton's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Timothy Knowlton enrolled in Medicare?
Yes. Timothy Knowlton 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 organizations bill Medicare for Timothy Knowlton's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Timothy Knowlton reassigns Medicare benefits to 2 organizations: Northwest Acute Care Specialists PC (Portland, OR) and Silverton Health (Molalla, OR). Each 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 Timothy Knowlton's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Timothy Knowlton accept?
Health plans from Moda Health Plan, Inc. list Timothy Knowlton 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 Timothy Knowlton affiliated with any hospitals?
According to CMS data, Timothy Knowlton is affiliated with Legacy Silverton Medical Center and Legacy Meridian Park Medical Center.
When was this NPI record last updated?
The NPPES record for Timothy Knowlton was last updated on May 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months 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.
# Timothy Edwards Knowlton, MD · NPI 1417697061
Emergency Medicine physician in Portland, Oregon. Individual provider, active in the CMS NPPES registry since March 31, 2022.
## Identity
- **NPI:** 1417697061 (Entity type: Individual)
- **Enumerated:** March 31, 2022
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** MD222467 (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** OHSU, 3181 SW SAM JACKSON PARK ROAD, Portland, OR 97239-3098
- **Phone:** (503) 494-8211
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Northwest Acute Care Specialists PC (NPI 1215983200, Portland, OR); Silverton Health (NPI 1861116055, Molalla, OR) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Tulane University School Of Medicine, class of 2022
## Record status
- **NPPES last updated:** May 19, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1417697061) · Data from the CMS NPPES public registry.