Elizabeth Gayle Masterson, MD

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

72446 Issued in WI

Practice address

9200 W Wisconsin Ave
Milwaukee, WI 53226-3522

Phone

(414) 955-8664

Fax

(414) 955-0064

NPI assigned

Apr 3, 2018

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

Other identifiers 1

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

Family Practice

Education

Central Michigan College of Medicine, 2018

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Froedtert Andthe Medical College of Wisconsin Community Physicians IncGroup PAC ID 3678760063, 1,265 clinicians

Outreach Community Health Centers IncGroup PAC ID 1355247735, 53 clinicians

Columbia St Marys Hospital Milwaukee IncGroup PAC ID 5890604722, 311 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: emasterson957360@direct.froedtert.com

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.

• Columbia St. Mary'S Hospital Milwaukee, Inc

  • Multi-Specialty Clinic/Center
  • Milwaukee, WI
  • NPI 1023064482

  Family Medicine

  Medicare reassignment Care Compare group NPD
• Froedtert &the Medical College of Wisconsin Community Physicians, Inc.

  • Internal Medicine Physician
  • Menomonee Falls, WI
  • NPI 1568787448
  Medicare reassignment Care Compare group NPD
• Outreach Community Health Centers, Inc

  • Federally Qualified Health Center (FQHC)
  • Milwaukee, WI
  • NPI 1710032669
  Medicare reassignment Care Compare group NPD
• The Medical College of Wisconsin, Inc.

  • Internal Medicine Physician
  • Milwaukee, WI
  • NPI 1699720086

  Family Medicine

  Medicare reassignment NPD
• Columbia St. Mary'S Hospital Milwaukee Inc

  • Psychiatric Hospital Unit
  • Mequon, WI
  • NPI 1417600909
  NPD
• Froedtert &the Medical College of Wisconsin Community Physicians, Inc.

  • Durable Medical Equipment & Medical Supplies
  • Wauwatosa, WI
  • NPI 1154947224
  NPD
• Outreach Community Health Centers, Inc.

  • Federally Qualified Health Center (FQHC)
  • Milwaukee, WI
  • NPI 1558231563
  NPD

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

{
    "created_epoch": "1522713600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762905600000",
    "number": "1093211658",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9200 W WISCONSIN AVE",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532263522",
            "telephone_number": "414-955-8664",
            "fax_number": "414-955-0064"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9200 W WISCONSIN AVE",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532263522",
            "telephone_number": "414-955-8664",
            "fax_number": "414-955-0064"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MASTERSON",
        "first_name": "ELIZABETH",
        "middle_name": "GAYLE",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-04-03",
        "last_updated": "2025-11-12",
        "certification_date": "2025-11-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "WI",
            "license": "72446",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1093211658",
            "state": "WI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Tuuli Massignan, L.AC.
• Alan E. Mast, MD
• Michele Marie Mastalarz, MSW, LCSW
• Rebekah A Mastel, PSYD
• Michelle Ann Masters, LCSW
• Rebecca Mastey
• Lindsey J Mastos, MSN, RN
• Ricardo S Mastrolia, M.D.
• Frederic Benjamin Matalon, MD
• Match

• Family Medicine Physician in Milwaukee, WI
• Providers in Milwaukee, 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 Nov 12, 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.