Itamar Yaakov Gnatt, M.D

Primary specialty

Undersea and Hyperbaric Medicine (Preventive Medicine) PhysicianTaxonomy code 2083P0011X

License

70439 Issued in WI

Practice address

945 N 12TH St
Milwaukee, WI 53233-1305

Phone

(414) 219-2000

NPI assigned

Mar 27, 2017

Last updated

Oct 3, 2025By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 4

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in WI, NV2 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: No
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 2

Specialty

Undersea and Hyperbaric Medicine

Education

Other, 2017

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Lakeshore Medical Clinic LLCGroup PAC ID 7719890730, 375 clinicians

Aurora Medical Group, Inc.Group PAC ID 6709794258, 3,764 clinicians

Aurora Advanced Healthcare, Inc.Group PAC ID 3375625833, 1,107 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Saguaro Home Health Care Home health agency, Las Vegas, NV, CCN 297082
• Executive Care Home Health Home health agency, Las Vegas, NV, CCN 297233
• Aurora St Lukes Medical Center Hospital, Milwaukee, WI, CCN 520138
• Mountainview Hospital Hospital, Las Vegas, NV, CCN 290039
• West Allis Memorial Hospital Hospital, West Allis, WI, CCN 520139
• Aurora Medical Center Hospital, Grafton, WI, CCN 520207

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: ignatt188068@direct.myadvocateaurora.org

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.

• Aurora Advanced Healthcare, Inc.

  • Family Medicine Physician
  • Milwaukee, WI
  • NPI 1265629133
  Medicare reassignment Care Compare group NPD
• Lakeshore Medical Clinic, LLC

  • Family Medicine Physician
  • St Francis, WI
  • NPI 1003861188
  Medicare reassignment Care Compare group NPD
• Aurora Medical Group, Inc.

  • Certified Registered Nurse Anesthetist
  • Milwaukee, WI
  • NPI 1427271378
  Medicare reassignment Care Compare group
• Naz Wahab MD PC

  dba Anthem Medical Associates

  • Family Medicine Physician
  • Las Vegas, NV
  • NPI 1568514198
  Medicare reassignment NPD
• Aurora Advanced Healthcare Inc

  • Durable Medical Equipment & Medical Supplies
  • Summit, WI
  • NPI 1477186633
  NPD
• Aurora Medical Group, Inc.

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Milwaukee, WI
  • NPI 1659599157
  NPD
• Reliant Physicians (Kumar) PLLC

  dba Reliant Palliative Care

  • Hospitalist Physician
  • Las Vegas, NV
  • NPI 1093285462

  Family Medicine

  NPD (past)

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

• Aurora Health Care Metro, Inc.

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Cudahy, WI
  • NPI 1235355983

  Hospital

  Care Compare affiliation
• Aurora Health Care Metro, Inc.

  • General Acute Care Hospital
  • Milwaukee, WI
  • NPI 1861447179
  Care Compare affiliation
• Aurora Medical Center Grafton, LLC

  • General Acute Care Hospital
  • Grafton, WI
  • NPI 1265740195
  Care Compare affiliation
• West Allis Memorial Hospital, Inc.

  dba Aurora West Allis Medical Center

  • Clinic/Center
  • West Allis, WI
  • NPI 1235345695

  Hospital

  Care Compare affiliation
• West Allis Memorial Hospital, Inc.

  dba Aurora West Allis Medical Center

  • General Acute Care Hospital
  • West Allis, WI
  • NPI 1407801640
  Care Compare affiliation
• Melo Health Systems LLC

  dba Executive Care Home Health

  • Home Health Agency
  • Las Vegas, NV
  • NPI 1124577127
  Care Compare affiliation
• Saguaro Home Health Care LLC

  • Home Health Agency
  • Las Vegas, NV
  • NPI 1134215916
  Care Compare affiliation
• Sunrise Mountainview Hospital, Inc.

  dba Mountainview Hospital

  • General Acute Care Hospital
  • Las Vegas, NV
  • NPI 1104870187
  Care Compare affiliation

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

{
    "created_epoch": "1490572800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759449600000",
    "number": "1447781992",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 735044",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606735044",
            "telephone_number": "800-326-2250"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "945 N 12TH ST",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532331305",
            "telephone_number": "414-219-2000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "6070 S Fort Apache Rd Ste 100",
            "address_purpose": "LOCATION",
            "city": "Las Vegas",
            "state": "NV",
            "postal_code": "891485615",
            "country_code": "US",
            "telephone_number": "702-803-5534",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GNATT",
        "first_name": "ITAMAR",
        "middle_name": "YAAKOV",
        "credential": "M.D",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2017-03-27",
        "last_updated": "2025-10-03",
        "certification_date": "2025-10-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207PE0005X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine, Undersea and Hyperbaric Medicine",
            "state": "WI",
            "license": "70439-20",
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "NV",
            "license": "26680",
            "primary": false
        },
        {
            "code": "2083P0011X",
            "taxonomy_group": "",
            "desc": "Preventive Medicine, Undersea and Hyperbaric Medicine",
            "state": "WI",
            "license": "70439",
            "primary": true
        },
        {
            "code": "2083P0011X",
            "taxonomy_group": "",
            "desc": "Preventive Medicine, Undersea and Hyperbaric Medicine",
            "state": "NV",
            "license": "26680",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "10005229",
            "state": "WI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

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• Rita Gnyawali, M.D.
• Go 365 Transportation Services, LLC
• God Sent Adult Family Home
• God's Wheel Transportations Corp. (Godswheel)

• Undersea and Hyperbaric Medicine (Preventive Medicine) Physician in Milwaukee, WI
• Providers in Milwaukee, WI by specialty
• Undersea and Hyperbaric Medicine (Preventive Medicine) Physician in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 3, 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.