Tania M Hassler, MD

Primary specialty

Pediatrics PhysicianTaxonomy code 208000000X

License

45819 Issued in WI

Practice address

744 S Webster Ave
Green Bay, WI 54301-3505

Phone

(920) 433-3622

NPI assigned

Dec 5, 2005

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

Medicare fee-for-service enrollment

Enrolled in WI, MN2 enrollments

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 2

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: thassler924893@direct.emplifyhealth.org

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.

• Aspirus Rhinelander & Tomahawk Hospitals & Clinics, Inc.

  • Clinic/Center
  • Stevens Point, WI
  • NPI 1144991340
  Medicare reassignment NPD
• Centracare Clinic

  • Multi-Specialty Clinic/Center
  • St Cloud, MN
  • NPI 1043212665
  Medicare reassignment NPD
• Sanford Health of Northern Minnesota

  • Family Medicine Physician
  • Kelliher, MN
  • NPI 1770849697
  Medicare reassignment NPD
• Aspirus Rhinelander & Tomahawk Hospitals & Clinics, Inc.

  • General Acute Care Hospital
  • Rhinelander, WI
  • NPI 1356391247
  NPD
• Centracare Clinic

  • Occupational Medicine Clinic/Center
  • Saint Cloud, MN
  • NPI 1366192759
  NPD
• Centracare Clinic

  • Urology Physician
  • Sartell, MN
  • NPI 1700281953
  NPD
• Sanford Health of Northern Minnesota

  • Internal Medicine Physician
  • Bemidji, MN
  • NPI 1780628149
  NPD
• Bellin Memorial Hospital Inc.

  • General Acute Care Hospital
  • Green Bay, WI
  • NPI 1891740585
  NPD (past)
• St. Cloud Hospital

  • General Acute Care Hospital
  • Saint Cloud, MN
  • NPI 1043269798
  NPD (past)

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

{
    "created_epoch": "1133740800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757289600000",
    "number": "1225012057",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "744 S WEBSTER AVE",
            "city": "GREEN BAY",
            "state": "WI",
            "postal_code": "543013505",
            "telephone_number": "920-433-3622"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "744 S WEBSTER AVE",
            "city": "GREEN BAY",
            "state": "WI",
            "postal_code": "543013505",
            "telephone_number": "920-433-3622"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HASSLER",
        "first_name": "TANIA",
        "middle_name": "M",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-12-05",
        "last_updated": "2025-09-08",
        "certification_date": "2025-09-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "MN",
            "license": "57570",
            "primary": false
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "WI",
            "license": "45819",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Lori L Hartz, MS, RD
• Citralina M Haruo
• Lauren Renee Harvey, RN
• Kyle Haselton, MD
• Suleyman Abdikarim Hassan
• Erin Hatch, RN
• Stephen D Hathway, MD
• Briana Hatton, PSY.D.
• Gordon Dale Haugan, MD
• April Jean Hauser, RN

• Pediatrics Physician in Green Bay, WI
• Providers in Green Bay, WI by specialty
• Pediatrics Physician in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 8, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.