Cynthia Lynn Mason, M.D.

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

29477-020 Issued in WI

Practice address

555 S 108TH St
West Allis, WI 53214-1100

Phone

(414) 566-6400

Fax

(414) 566-3866

NPI assigned

Feb 28, 2006

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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

{
    "created_epoch": "1141084800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1295702140",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "555 S 108TH ST",
            "city": "WEST ALLIS",
            "state": "WI",
            "postal_code": "532141100",
            "telephone_number": "414-566-6400",
            "fax_number": "414-566-3866"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "555 S 108TH ST",
            "city": "WEST ALLIS",
            "state": "WI",
            "postal_code": "532141100",
            "telephone_number": "414-566-6400",
            "fax_number": "414-566-3866"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MASON",
        "first_name": "CYNTHIA",
        "middle_name": "LYNN",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-02-28",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "WI",
            "license": "29477-020",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Aldo Martinez Vaca, M.D.
• Holly Martinez
• Matthew Francisco Martinez
• Mary Jude Health Care, Inc.
• Julie Ann Marzluf, MS CCC-SLP
• Sunya Masood, OD
• Masroor Munim MD
• Robin Lynn Mastera
• Robin Matchett-Schmidt
• Prince Pannipuzha Mathew, M.D

• Family Medicine Physician in West Allis, WI
• Providers in West Allis, WI by specialty
• Family Medicine Physician in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.