Emily J Mason, M.D.

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

49707-020 Issued in WI

Practice address

2661 County Highway I
Chippewa Falls, WI 54729-5407

Phone

(715) 861-0990

Fax

(715) 861-0274

NPI assigned

Jul 12, 2007

Last updated

Feb 10, 2026By the provider in NPPES

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

Other names 1

• Emily J Haley Former name

Medicare fee-for-service enrollment

Enrolled in WI

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

University of Wisconsin School of Medicine, 2004

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Oakleaf Clinics IncGroup PAC ID 4486831328, 103 clinicians

Practice addresses (Care Compare)

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: emily.manson@cumberland-directmessage.com

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.

• Chippewa Valley Wound Care, LLC

  • Emergency Medicine Physician
  • Chippewa Falls, WI
  • NPI 1750148771
  Medicare reassignment NPD Authorized official
• Oakleaf Clinics Inc

  dba Oakleaf Clinics, Eau Claire Medical Clinic

  • Internal Medicine Physician
  • Eau Claire, WI
  • NPI 1295127082
  Medicare reassignment Care Compare group NPD
• Oakleaf Clinics Inc

  dba Oakleaf Clinics OB Gyn

  • Obstetrics & Gynecology Physician
  • Eau Claire, WI
  • NPI 1194289751
  NPD
• Health Dynamics, LLC

  • Preventive Medicine/Occupational Environmental Medicine Physician
  • Milwaukee, WI
  • NPI 1255389581
  NPD (past)
• Ihc-St. Francis Emergency Physicians, LLC

  • Emergency Medicine Physician
  • Evanston, IL
  • NPI 1780632463
  NPD (past)

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

{
    "created_epoch": "1184198400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770681600000",
    "number": "1811196637",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2403 FOLSOM ST",
            "city": "EAU CLAIRE",
            "state": "WI",
            "postal_code": "547032435",
            "telephone_number": "715-552-9784",
            "fax_number": "715-835-6370"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2661 COUNTY HIGHWAY I",
            "city": "CHIPPEWA FALLS",
            "state": "WI",
            "postal_code": "547295407",
            "telephone_number": "715-861-0990",
            "fax_number": "715-861-0274"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MASON",
        "first_name": "EMILY",
        "middle_name": "J",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-07-12",
        "last_updated": "2026-02-10",
        "certification_date": "2026-02-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "WI",
            "license": "49707-020",
            "primary": true
        },
        {
            "code": "207PE0005X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine, Undersea and Hyperbaric Medicine",
            "state": "WI",
            "license": "49707-20",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "EMILY",
            "last_name": "HALEY",
            "middle_name": "J",
            "credential": "M.D.",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Marshfield Clinic (Marshfield Clinic @ St. Joseph's Hospital)
• Marshfield Clinic (Marshfield Clinic Pharmacy)
• Patricia Marsnik
• Andrew Peter Martin
• Maria Lynn Martino, DPT
• Dezeray Clare Matott, NP
• Daniel William McCann, MSW
• Terrence D McCanna, MD
• William A McDougall, MD
• Shawn M. McFarlane, DDS

• Emergency Medicine Physician in Chippewa Falls, WI
• Providers in Chippewa Falls, WI by specialty
• Emergency Medicine Physician in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 10, 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.