Eric E Williamson, M.D.

Primary specialty

Diagnostic Radiology PhysicianTaxonomy code 2085R0202X

License

43264 Issued in MN

Practice address

200 1St St SW
Rochester, MN 55905-0001

Phone

(507) 284-2511

NPI assigned

Feb 2, 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

Other identifiers 1

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in MN, WI2 enrollments

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 2

Specialty

Diagnostic Radiology

Education

Other, 1998

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Mayo ClinicGroup PAC ID 6507778255, 4,829 clinicians

Mayo Clinic Health System-Southwest Wisconsin Region IncGroup PAC ID 0345152443, 539 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mayo Clinic Hospital Rochester Hospital, Rochester, MN, CCN 240010

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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 and National Provider Directory roles.

• Mayo Clinic

  • Multi-Specialty Clinic/Center
  • Rochester, MN
  • NPI 1922074434
  Medicare reassignment Care Compare group NPD
• Mayo Clinic Health System-Southwest Wisconsin Region, Inc.

  • Multi-Specialty Clinic/Center
  • La Crosse, WI
  • NPI 1629056049

  MN

  Medicare reassignment Care Compare group NPD
• Mayo Clinic Health System-Fairmont

  • Multi-Specialty Clinic/Center
  • Fairmont, MN
  • NPI 1366410862
  Medicare reassignment NPD
• Mayo Clinic Health System-Lake City

  • Multi-Specialty Clinic/Center
  • Lake City, MN
  • NPI 1164463659
  Medicare reassignment NPD
• Mayo Clinic Health System-Southeast Minnesota Region

  • Multi-Specialty Clinic/Center
  • Albert Lea, MN
  • NPI 1891701637
  Medicare reassignment NPD
• Mayo Clinic Health System-Southwest Minnesota Region

  • Multi-Specialty Clinic/Center
  • Mankato, MN
  • NPI 1578545422
  Medicare reassignment NPD
• Mayo Clinic Health System-St James

  • Multi-Specialty Clinic/Center
  • Saint James, MN
  • NPI 1023177730
  Medicare reassignment NPD
• Mayo Clinic Health System-Northwest Wisconsin Region, Inc.

  • Multi-Specialty Clinic/Center
  • Eau Claire, WI
  • NPI 1235588831

  MN

  Medicare reassignment NPD
• Mayo Clinic

  • Clinical Medical Laboratory
  • Rochester, MN
  • NPI 1083249577
  NPD
• Mayo Clinic

  • Infectious Disease Physician
  • Rochester, MN
  • NPI 1114343860
  NPD
• Mayo Clinic Health System-Southeast Minnesota Region

  • Multi-Specialty Clinic/Center
  • Red Wing, MN
  • NPI 1114453883
  NPD
• Mayo Clinic Health System-Southeast Minnesota Region

  • Clinic Pharmacy
  • Cannon Falls, MN
  • NPI 1699597468
  NPD

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

• Mayo Clinic Hospital-Rochester

  • General Acute Care Hospital
  • Rochester, MN
  • NPI 1841266194
  Care Compare affiliation

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

{
    "created_epoch": "1138838400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1741046400000",
    "number": "1881666022",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 860912",
            "address_2": "PROVIDER ENROLLMENT - RST",
            "city": "MINNEAPOLIS",
            "state": "MN",
            "postal_code": "554860912",
            "telephone_number": "507-284-2511"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "200 1ST ST SW",
            "city": "ROCHESTER",
            "state": "MN",
            "postal_code": "559050001",
            "telephone_number": "507-284-2511"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLIAMSON",
        "first_name": "ERIC",
        "middle_name": "E",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-02-02",
        "last_updated": "2025-03-04",
        "certification_date": "2025-03-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "WI",
            "license": "61270",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "MN",
            "license": "43264",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "211999400",
            "state": "MN"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "ewilliamson28479@ehrdirect.mayoclinicmsg.org",
            "affiliation": "N",
            "address_1": "200 1st St SW",
            "city": "Rochester",
            "state": "MN",
            "country_code": "US",
            "postal_code": "559050001",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Joshua Shaw Williams, PHARMD
• Julie A Williams, PA-C
• Linda L Williams
• Mark D Williams, M.D.
• Paul Andrew Williams, PHARMD
• Jacob James Williamson, DMD, MS
• Michelle L Williamson, PA-C
• Ryan Chace Williamson, MD
• Ellen D Willis, M.D.
• Willows & Waters Senior Living

• Diagnostic Radiology Physician in Rochester, MN
• Providers in Rochester, MN by specialty
• Diagnostic Radiology Physician in Minnesota

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