Alexandra C Istl

Primary specialty

Surgical Oncology PhysicianTaxonomy code 2086X0206X

License

81092 Issued in WI

Practice address

9200 W Wisconsin Ave
Milwaukee, WI 53226-3522

Phone

(414) 955-1400

Fax

(414) 955-0197

NPI assigned

Sep 10, 2020

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 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

Surgical OncologyAlso: General Surgery

Education

Other, 2015

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

The Medical College of Wisconsin IncGroup PAC ID 2668384371, 2,092 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Froedtert Memorial Lutheran Hospital Hospital, Milwaukee, WI, CCN 520177

Merit-based Incentive Payment System (MIPS)

Final score

87.99 of 100Reported as group

Quality

82.81

Promoting interoperability

100

Improvement activities

40

Cost

77.15

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: aistl721599@direct.hopkinsmedicine.org
• Direct secure messaging: aistl586026@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.

• The Medical College of Wisconsin, Inc.

  • Internal Medicine Physician
  • Milwaukee, WI
  • NPI 1699720086
  Medicare reassignment Care Compare group NPD
• The Medical College of Wisconsin Inc

  • Case Management Agency
  • Milwaukee, WI
  • NPI 1649521105
  NPD (past)

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

• Froedtert Memorial Lutheran Hospital, Inc.

  • General Acute Care Hospital
  • Milwaukee, WI
  • NPI 1255334173
  Care Compare affiliation

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

{
    "created_epoch": "1599696000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789603200000",
    "number": "1477168961",
    "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": "414-955-1400",
            "fax_number": "414-955-0197"
        },
        {
            "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": "414-955-1400",
            "fax_number": "414-955-0197"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "675 N Saint Clair St Ste 21-100",
            "address_purpose": "LOCATION",
            "city": "Chicago",
            "state": "IL",
            "postal_code": "606115970",
            "country_code": "US",
            "telephone_number": "312-695-0990",
            "fax_number": "312-695-1144",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "7901 S 6th St",
            "address_purpose": "LOCATION",
            "city": "Oak Creek",
            "state": "WI",
            "postal_code": "531542010",
            "country_code": "US",
            "telephone_number": "414-346-8000",
            "fax_number": "414-346-8010",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ISTL",
        "first_name": "ALEXANDRA",
        "middle_name": "C",
        "credential": "MD MPH",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-09-10",
        "last_updated": "2026-09-17",
        "certification_date": "2026-09-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2086X0206X",
            "taxonomy_group": "",
            "desc": "Surgery, Surgical Oncology",
            "state": "WI",
            "license": "81092",
            "primary": true
        },
        {
            "code": "2086X0206X",
            "taxonomy_group": "",
            "desc": "Surgery, Surgical Oncology",
            "state": "IL",
            "license": "036181795",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1477168961",
            "state": "WI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Islands of Brilliance
• Ismael Sta Romana MD SC
• Abdalah Ismail, MD
• Zainul Ismail, PHARMD
• Mohameddeq A Isse
• Jamie M Istwan, PT
• Fernando T. Itable, M.D.
• Rodrigo Itable, M.D.
• Doha Itani
• Vladimir Ivanovic, M.D.

• Surgical Oncology Physician in Milwaukee, WI
• Providers in Milwaukee, WI by specialty
• Surgical Oncology Physician in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 17, 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.