TIMOTHY EDWARDS KNOWLTON MD
NPI 1417697061
Emergency Medicine in Portland, OR

Q: 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.

Q: What is Timothy Knowlton's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Q: 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 15 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.

Active since March 31, 2022PECOS EnrolledAccepts Medicare Assignment

OHSU, 3181 SW SAM JACKSON PARK ROAD, PORTLAND, OR 97239(503) 494-8211 Get Directions Write a Review

NPPES record last updated: May 19, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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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

NPI1417697061

Entity TypeIndividualMale

Primary Taxonomy207P00000X

Provider Legal NameTIMOTHY EDWARDS KNOWLTONCredential: MD

Location AddressOHSU, 3181 SW SAM JACKSON PARK ROADPortland, OR 97239-3098

Mailing AddressOhsu, 3181 Sw Sam Jackson Park RoadPortland, OR 97239-3098 · (503) 494-8211

Phone(503) 494-8211

Sole ProprietorNo

Medical School CMSTulane University School Of MedicineGraduated 2022

Enumeration DateMarch 31, 2022

Last NPPES UpdateMay 19, 2025

NPPES CertifiedMay 19, 2025

✔ NPI 1417697061 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

License✔ Licensed in OR · MD222467

Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

OHSU, Portland, OR 97239

Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

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.

PECOS PAC ID6406239581

PECOS Enrollment IDI20250530001666, I20250611002164

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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, OR

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number380029

Location342 Fairview StreetSilverton, OR 97381 · Marion County

Emergency services Birthing friendly

Legacy Meridian Park Medical Center

Acute Care Hospitals · Tualatin, OR

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number380089

Location19300 SW 65th AvenueTualatin, OR 97062 · Washington County

Emergency services Birthing friendly

Physician 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.

New Patient

$90.51 typical visit price

range $58.99 – $176.88

Typical copayment $22.62 (range $14.74 – $44.22)

Most-billed visit code 99203

Established Patient

$103.51 typical visit price

range $19.32 – $144.79

Typical copayment $25.87 (range $4.83 – $36.19)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

SEAN THOMAS HICKEY MD

Emergency Medicine

OHSU, 3181 SW SAM JACKSON PARK RD
PORTLAND, OR 97239

Multnomah County (503) 494-8211

ANDREW COWAN MD

Student in an Organized Health Care Education/Training Program

OHSU, 3181 SW SAM JACKSON PARK ROAD
PORTLAND, OR 97239

Multnomah County (503) 494-8211

SARAH GANS FRIEDLAND MD

Student in an Organized Health Care Education/Training Program

OHSU, 3181 SW SAM JACKSON PARK ROAD
PORTLAND, OR 97239

Multnomah County (503) 494-8211

EMILY BYRD MD PHD

Student in an Organized Health Care Education/Training Program

OHSU, 3181 SW SAM JACKSON PARK RD L-579
PORTLAND, OR 97239

Multnomah County (503) 494-8211

OSINAKACHUKWU MBATA MD

Obstetrics & Gynecology (Obstetrics)

OHSU, 3181 SW SAM JACKSON PARK ROAD
PORTLAND, OR 97239

Multnomah County (503) 494-8211

MICHAEL GUY ROTHBAUM MD

Student in an Organized Health Care Education/Training Program

OHSU, 3181 SW SAM JACKSON PARK ROAD
PORTLAN, OR 97239

Multnomah County (503) 494-8211

DR. REBECCA MARSHALL M.D.

Psychiatry & Neurology (Child & Adolescent Psychiatry)

OHSU, 3181 SW SAM JACKSON PARK ROAD
PORTLAND, OR 97239

Multnomah County (503) 494-8211

TESSA MARIE SMITH DO

Student in an Organized Health Care Education/Training Program

OHSU, 3181 SW SAM JACKSON PARK ROAD
PORTLAND, OR 97239

Multnomah County (503) 494-8211

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.

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 15 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.