Michelle Marie Williams, MD

Primary specialty

Neurological Surgery PhysicianTaxonomy code 207T00000X

License

MD225778 Issued in OR

Practice address

5050 NE Hoyt St Ste 359
Portland, OR 97213-2983

Phone

(503) 935-8501

NPI assigned

Mar 28, 2016

Sex

Female

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 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

Neurosurgery

Education

Ohio State University College of Medicine, 2016

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
• Providence St Vincent Medical Center Hospital, Portland, OR, CCN 380004
• Providence Milwaukie Hospital Hospital, Milwaukie, OR, CCN 380082
• Providence Willamette Falls Medical Center Hospital, Oregon City, OR, CCN 380038
• Providence Hood River Memorial Hospital Hospital, Hood River, OR, CCN 381318

Merit-based Incentive Payment System (MIPS)

Final score

84.29 of 100Reported as group

Quality

70.82

Promoting interoperability

100

Improvement activities

40

Cost

67.65

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mwilliams4016971@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
• 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

  • General Acute Care Hospital
  • Portland, OR
  • NPI 1114015971
  Care Compare affiliation
• Providence Health & Services - Oregon

  • Clinic/Center
  • Portland, OR
  • NPI 1326272741

  Hospital

  Care Compare affiliation
• Providence Health & Services - Oregon

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

  Hospital

  Care Compare affiliation
• Providence Health & Services - Oregon

  • General Acute Care Hospital
  • Oregon City, OR
  • NPI 1912282369
  Care Compare affiliation
• Providence Health & Services Oregon

  • Critical Access Hospital
  • Hood River, OR
  • NPI 1255429338
  Care Compare affiliation
• Providence Health & Services Oregon

  • General Acute Care Hospital
  • Milwaukie, OR
  • NPI 1366536963
  Care Compare affiliation

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

{
    "created_epoch": "1459123200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1754265600000",
    "number": "1407218472",
    "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"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5050 NE HOYT ST STE 359",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972132983",
            "telephone_number": "503-935-8501"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "9155 SW Barnes Rd Ste 440",
            "address_purpose": "LOCATION",
            "city": "Portland",
            "state": "OR",
            "postal_code": "972256631",
            "country_code": "US",
            "telephone_number": "503-935-8500",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WILLIAMS",
        "first_name": "MICHELLE",
        "middle_name": "MARIE",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2016-03-28",
        "last_updated": "2025-08-04",
        "certification_date": "2025-08-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207T00000X",
            "taxonomy_group": "",
            "desc": "Neurological Surgery",
            "state": "TX",
            "license": "U7775",
            "primary": false
        },
        {
            "code": "207T00000X",
            "taxonomy_group": "",
            "desc": "Neurological Surgery",
            "state": "OR",
            "license": "MD225778",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "cc_otoc_neurosurgery_front_desk_pool12223185@oc.providencedirect.org",
            "affiliation": "Y",
            "affiliationName": "The Oregon Clinic PC",
            "address_1": "5050 NE Hoyt St Ste 359",
            "city": "Portland",
            "state": "OR",
            "country_code": "US",
            "postal_code": "972132983",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Matthew Williams
• Matthew John Williams, D.D.S.
• Maya M Williams, PHD
• Melissa Ann Williams, MOT/OTR/L
• Meredith K. Williams, MD
• Michelle Marie Williams, ND
• Morgan Ashly Williams, MD
• Nanci J Williams, LMT
• Nicholas R Williams, DO, MPH
• Nicole Anne Williams, LMT

• Neurological Surgery Physician in Portland, OR
• Providers in Portland, OR by specialty
• Neurological Surgery Physician in Oregon

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 4, 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.