Richard Derrick Knowles, MD

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

MD195896 Issued in OR

Practice address

2101 NE 139TH St Ste 450
Vancouver, WA 98686-2325

Phone

(360) 487-4848

NPI assigned

Oct 26, 2006

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

Electronic endpoints 4

Medicare fee-for-service enrollment

Enrolled in WA

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

Family Practice

Education

Other, 2001

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Sea Mar Community Health CentersGroup PAC ID 7315831161, shared by 37 NPIs, 235 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Providence Portland Medical Center Hospital, Portland, OR, CCN 380061
• Peacehealth Southwest Medical Cente Hospital, Vancouver, WA, CCN 500050

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Not enrolled

HHS exclusion list flag

Flagged The directory lists this NPI on an HHS exclusion list. The OIG exclusions file (LEIE) holds no record for this NPI, and the directory does not say which list the flag comes from. How exclusions are shown Confirm with the OIG exclusions search.

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: rknowles931066@direct.multicare.org
• Direct secure messaging: rknowles1169301@oc.providencedirect.org

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

• Sea Mar Community Health Centers

  • Federally Qualified Health Center (FQHC)
  • Aberdeen, WA
  • NPI 1811051170

  Family Medicine

  Medicare reassignment NPD
• Sea Mar Community Health Centers

  • Federally Qualified Health Center (FQHC)
  • Spanaway, WA
  • NPI 1922624642
  NPD
• Sea Mar Community Health Centers

  • Federally Qualified Health Center (FQHC)
  • Ocean Shores, WA
  • NPI 1982768248

  Family Medicine

  NPD
• Providence Health & Services Oregon

  • General Practice Physician
  • Lake Oswego, OR
  • NPI 1023488343
  NPD
• Legacy Salmon Creek Hospital

  • General Acute Care Hospital
  • Vancouver, WA
  • NPI 1700809829
  NPD (past)
• Fauquier Physician Practices LLC

  • Internal Medicine Physician
  • Warrenton, VA
  • NPI 1770916983

  Family Medicine

  NPD (past)
• Jorge E. Rodriguez M.D. Inc.

  • Specialist
  • Los Angeles, CA
  • NPI 1699730044
  NPD (past)

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

• Peacehealth

  • Cardiovascular Disease Physician
  • Vancouver, WA
  • NPI 1003194911

  Hospital

  Care Compare affiliation
• Peacehealth

  • General Acute Care Hospital
  • Vancouver, WA
  • NPI 1134178999
  Care Compare affiliation
• Providence Health & Services - Oregon

  • General Acute Care Hospital
  • Portland, OR
  • NPI 1003991845
  Care Compare affiliation
• Providence Health & Services - Oregon

  • Case Manager/Care Coordinator
  • Portland, OR
  • NPI 1891822995

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1161820800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785888000000",
    "number": "1225113236",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 2077",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972082077",
            "telephone_number": "503-413-3900",
            "fax_number": "503-413-3710"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2101 NE 139TH ST STE 450",
            "city": "VANCOUVER",
            "state": "WA",
            "postal_code": "986862325",
            "telephone_number": "360-487-4848"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "440 NW Division St",
            "address_purpose": "LOCATION",
            "city": "Gresham",
            "state": "OR",
            "postal_code": "970305506",
            "country_code": "US",
            "telephone_number": "503-215-9525",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "14508 NE 20th Ave Ste 102",
            "address_purpose": "LOCATION",
            "city": "Vancouver",
            "state": "WA",
            "postal_code": "986866434",
            "country_code": "US",
            "telephone_number": "360-852-9670",
            "fax_number": "360-397-2503",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "406 SE 131st Ave",
            "address_2": "Suite 101",
            "address_purpose": "LOCATION",
            "city": "Vancouver",
            "state": "WA",
            "postal_code": "986834004",
            "country_code": "US",
            "telephone_number": "360-253-2800",
            "fax_number": "360-253-8642",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3101 SE 192nd Ave Ste 103",
            "address_purpose": "LOCATION",
            "city": "Vancouver",
            "state": "WA",
            "postal_code": "986831443",
            "country_code": "US",
            "telephone_number": "360-666-4480",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KNOWLES",
        "first_name": "RICHARD",
        "middle_name": "DERRICK",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-10-26",
        "last_updated": "2026-08-05",
        "certification_date": "2026-08-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "WA",
            "license": "MD00042903",
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "OR",
            "license": "MD195896",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "rknowles1169301@oc.providencedirect.org",
            "affiliation": "N",
            "address_1": "101 NW 12th Ave Ste 107",
            "city": "Battle Ground",
            "state": "WA",
            "country_code": "US",
            "postal_code": "986049141",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "rknowles1169301@oc.providencedirect.org",
            "affiliation": "N",
            "address_1": "700 Washington St Ste 105",
            "city": "Vancouver",
            "state": "WA",
            "country_code": "US",
            "postal_code": "986603181",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "rknowles1169301@oc.providencedirect.org",
            "affiliation": "N",
            "address_1": "315 SE Stonemill Dr Ste 102",
            "city": "Vancouver",
            "state": "WA",
            "country_code": "US",
            "postal_code": "986846987",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "rknowles1169301@oc.providencedirect.org",
            "affiliation": "N",
            "address_1": "3101 SE 192nd Ave",
            "city": "Vancouver",
            "state": "WA",
            "country_code": "US",
            "postal_code": "986831442",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Holly Knoles
• Britney Knotts
• Jamie Lynne Knotts, RDH
• Chad Roy Knowlden, LMP
• Peggy A. Knowles, ARNP
• Ellen Knox
• Tomoko Knudtson
• Kim Denise Knuth, L.M.P
• Patrick Knutson, PA-C
• Emil V. Knysh, L.M.P.

• Family Medicine Physician in Vancouver, WA
• Providers in Vancouver, WA by specialty
• Family Medicine Physician in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 5, 2026; 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.