Timothy Edwards Knowlton, MD

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

MD222467 Issued in OR

Practice address

Ohsu
3181 SW Sam Jackson Park Road
Portland, OR 97239-3098

Phone

(503) 494-8211

NPI assigned

Mar 31, 2022

Last updated

May 19, 2025By the provider in NPPES

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in OR

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Emergency Medicine

Education

Tulane University School of Medicine, 2022

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Northwest Acute Care Specialists PCGroup PAC ID 7012807373, 46 clinicians

Silverton HealthGroup PAC ID 8921901877, 147 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Legacy Silverton Medical Center Hospital, Silverton, OR, CCN 380029
• Legacy Meridian Park Medical Center Hospital, Tualatin, OR, CCN 380089

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Northwest Acute Care Specialists PC

  • Emergency Medicine Physician
  • Portland, OR
  • NPI 1215983200
  Medicare reassignment Care Compare group NPD
• Silverton Health

  dba Legacy Silverton Medical Center

  • General Acute Care Hospital
  • Silverton, OR
  • NPI 1669424354
  Medicare reassignment Care Compare group NPD
• Silverton Health

  • Clinic/Center
  • Keizer, OR
  • NPI 1508294513
  NPD
• Silverton Health

  dba Legacy Molalla Family Medicine

  • Clinic/Center
  • Molalla, OR
  • NPI 1861116055
  NPD
• Northwest Acute Care Specialists PC

  • Emergency Medicine Physician
  • Vancouver, WA
  • NPI 1487811048
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Legacy Meridian Park Hospital

  • General Acute Care Hospital
  • Tualatin, OR
  • NPI 1184647620
  Care Compare affiliation
• Silverton Health

  dba Legacy Silverton Medical Center

  • General Acute Care Hospital
  • Silverton, OR
  • NPI 1669424354
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1648684800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1747612800000",
    "number": "1417697061",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "OHSU",
            "address_2": "3181 SW SAM JACKSON PARK ROAD",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972393098",
            "telephone_number": "503-494-8211"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "OHSU",
            "address_2": "3181 SW SAM JACKSON PARK ROAD",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972393098",
            "telephone_number": "503-494-8211"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KNOWLTON",
        "first_name": "TIMOTHY",
        "middle_name": "EDWARDS",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-03-31",
        "last_updated": "2025-05-19",
        "certification_date": "2025-05-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "OR",
            "license": "MD222467",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Taft Olpin Knowles
• Thomas B Knowles, MD
• Benjamin Dale Knowlton, LCSW
• Charlie Nichole Knowlton, PHD
• Sabrina Isabel Juanita Ramos Knowlton
• Alison Ramsey Knox, LMFT
• Catherine N. Knox, QMHP
• Jason Knox, LMT
• Jasper Soloman Knox
• Lemmie N Knox III, LPC

• Emergency Medicine Physician in Portland, OR
• Providers in Portland, OR by specialty
• Emergency Medicine Physician in Oregon

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 19, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.