Individual provider Active NPI

Ezra Lyon, M.D.

  • Family Medicine Physician
  • Wausau, WI
National Provider Identifier
1669906004
Registry record updated Jul 10, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
69896 Issued in WI
Practice address
1810 N 2ND St
Wausau, WI 54403-3492
Phone
(715) 848-4884
Fax
(715) 845-5385
NPI assigned
Apr 12, 2017
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 10, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Obstetrics Physician 207VX0000X 69896 WI
Family Medicine Physician 207Q00000X 69896 WI Primary

Addresses

Primary practice location

1810 N 2ND St
Wausau, WI 54403-3492

Mailing address

1810 N 2ND St
Wausau, WI 54403-3492
Phone (715) 848-4884

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20200921000050 WI Practitioner - Family Practice 0547530388 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
Other, 2017
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Primary Connection Health Care, Inc.Group PAC ID 3870577935, 9 clinicians

Practice addresses (Care Compare)

1810 N 2ND St
Wausau, WI 54403-3492
Phone (715) 848-4884

Hospital & facility affiliations

  • Aspirus Wausau Hospital Hospital, Wausau, WI, CCN 520030
  • Thedacare Medical Center-Waupaca Hospital, Waupaca, WI, CCN 521334

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
69896WIMDObstetrics Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Thedacare, Incorporated Family Medicine CurrentSince Aug 1, 2020 Accepting new patients
Primary Connection Health Care, Inc. Family Medicine CurrentSince Aug 11, 2025 Accepting new patients

Locations

4480 W Spencer St
Appleton, WI 54914
Phone (920) 738-4800

225 Memorial Dr
Berlin, WI 54923
Phone (920) 361-1313

3 Neenah Ctr
Neenah, WI 54956
Phone (920) 454-4229

1405 Mill St
New London, WI 54961
Phone (920) 531-2000

600 N Westhaven Dr
Oshkosh, WI 54904
Phone (920) 237-5000

800 Riverside Dr
Waupaca, WI 54981
Phone (715) 258-1000

710 Riverside Dr
Waupaca, WI 54981
Phone (715) 256-3000

1810 N 2nd St
Wausau, WI 54403
Phone (715) 848-4884

Interoperability endpoints

  • Direct secure messaging: elyon203131@direct.thedacare.org

Organizations & group practices 2

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.

Hospital & facility affiliations 12

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

NPI Registry JSON

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

{
    "created_epoch": "1491955200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783641600000",
    "number": "1669906004",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1810 N 2ND ST",
            "city": "WAUSAU",
            "state": "WI",
            "postal_code": "544033492",
            "telephone_number": "715-848-4884",
            "fax_number": "715-845-5385"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1810 N 2ND ST",
            "city": "WAUSAU",
            "state": "WI",
            "postal_code": "544033492",
            "telephone_number": "715-848-4884",
            "fax_number": "715-845-5385"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LYON",
        "first_name": "EZRA",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2017-04-12",
        "last_updated": "2026-07-10",
        "certification_date": "2026-07-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207VX0000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology, Obstetrics",
            "state": "WI",
            "license": "69896",
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "WI",
            "license": "69896",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Wausau, WI

Sources for this page

Verify at the official NPI Registry.