Mark Huntington Whiteford, MD

Primary specialty

Colon & Rectal Surgery PhysicianTaxonomy code 208C00000X

License

MD21976 Issued in OR

Practice address

4805 NE Glisan St
Suite 6N60
Portland, OR 97213-2933

Phone

(503) 281-0561

Fax

(503) 416-7377

NPI assigned

Aug 24, 2005

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

Other identifiers 2

Electronic endpoints 1

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

Colorectal Surgery (Proctology)Also: General Surgery

Education

University of Maryland School of Medicine, 1991

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

The Oregon Clinic, PCGroup PAC ID 2860390408, 353 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Providence Portland Medical Center Hospital, Portland, OR, CCN 380061

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mwhiteford133706@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.

• The Oregon Clinic PC

  • Specialist
  • Portland, OR
  • NPI 1265417174
  Medicare reassignment Care Compare group NPD
• Providence Health & Services Oregon

  • General Practice Physician
  • Lake Oswego, OR
  • NPI 1023488343
  Medicare reassignment NPD
• Providence Health & Services Oregon

  • Psychiatry Physician
  • Portland, OR
  • NPI 1760177737
  NPD
• Providence Health & Services Oregon

  • Internal Medicine Physician
  • Tigard, OR
  • NPI 1821224957
  NPD
• The Oregon Clinic, PC

  • Durable Medical Equipment & Medical Supplies
  • Portland, OR
  • NPI 1346105129
  NPD

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

• 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": "1124841600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778630400000",
    "number": "1710970892",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "541 NE 20TH AVE STE 225",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972322895",
            "telephone_number": "503-963-2801",
            "fax_number": "503-963-2825"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4805 NE GLISAN ST",
            "address_2": "SUITE 6N60",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972132933",
            "telephone_number": "503-281-0561",
            "fax_number": "503-416-7377"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "11000 SW Stratus St Ste 205",
            "address_purpose": "LOCATION",
            "city": "Beaverton",
            "state": "OR",
            "postal_code": "970087104",
            "country_code": "US",
            "telephone_number": "503-281-0561",
            "fax_number": "503-416-7377",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WHITEFORD",
        "first_name": "MARK",
        "middle_name": "HUNTINGTON",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-08-24",
        "last_updated": "2026-05-13",
        "certification_date": "2026-05-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "OR",
            "license": "MD21976",
            "primary": false
        },
        {
            "code": "208C00000X",
            "taxonomy_group": "",
            "desc": "Colon & Rectal Surgery",
            "state": "OR",
            "license": "MD21976",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "134196",
            "state": "OR"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "8245078",
            "state": "WA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "cc_otoc_cas_dront_desk_pool12223192@or.progidencedirect.org",
            "affiliation": "Y",
            "affiliationName": "The Oregon Clinic PC",
            "address_1": "4805 NE Glisan St",
            "address_2": "Suite 6N60",
            "city": "Portland",
            "state": "OR",
            "country_code": "US",
            "postal_code": "972132933",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Teresa White, RN
• Thomas White
• Ursula Joan White, PMHNP
• Wendy Leigh Hadden White, ND
• Cherity Whiteaker
• Ashlee Whitehead
• Lindsay Kae Whitehouse
• Angeline L Whitelaw, PSY.D.
• Kelly Whiteside
• Zachary Whiteside

• Colon & Rectal Surgery Physician in Portland, OR
• Providers in Portland, OR by specialty
• Colon & Rectal Surgery Physician in Oregon

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 13, 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.