NPIMap

Individual provider Active NPI

Haley Alexi Probst, MD

  • Hospitalist Physician
  • Madison, WI
National Provider Identifier
1285214635
Registry record updated Aug 14, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
License
81515-20 Issued in WI
Practice address
700 S Park St
Madison, WI 53715-1830
Phone
(608) 251-6100
Fax
(608) 258-6259
NPI assigned
Apr 10, 2021
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 14, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 81515-20 WI
Student in an Organized Health Care Education/Training Program 390200000X 81515-20 WI
Hospitalist Physician 208M00000X 81515-20 WI Primary

Addresses

Primary practice location

700 S Park St
Madison, WI 53715-1830

Mailing address

2846 Barlow St
Madison, WI 53705-3622

Other practice location 1

2846 Barlow St
Madison, WI 53705-3622
Phone (262) 339-7182

Electronic endpoints 2

TypeEndpointUseAffiliation
FHIR URL https://fhir.ssmhc.com/fhir/api/FHIR/DSTU2/ Other
Direct Messaging Address hprobst553936@direct-ehr-ssmhrc.com Direct

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WI
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20240617001362 WI Practitioner - HospitalistPractitioner - Internal Medicine 5698177194 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Hospitalist
Education
University of Wisconsin School of Medicine, 2021
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Dean Health Systems IncGroup PAC ID 7012827983, 1,174 clinicians

Practice addresses (Care Compare)

700 S Park St
Madison, WI 53715-1830
Phone (608) 251-6100

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
85.34 of 100Reported as group
Quality
80.51
Promoting interoperability
91
Improvement activities
40
Cost
78.13

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Dean Health Systems, Inc Internal Medicine CurrentSince Jul 28, 2025 Accepting new patients
Dean Health Systems, Inc. CurrentSince Jul 28, 2025 Accepting new patients

Locations

700 S Park St
Madison, WI 53715
Phone (608) 260-2900

1808 W Beltline Hwy
Madison, WI 53713
Phone (608) 250-1497

515 22nd Ave
Monroe, WI 53566
Phone (608) 324-1000

Interoperability endpoints

  • Direct secure messaging: hprobst553936@direct-ehr-ssmhc.com

Organizations & group practices 2

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.

Hospital & facility affiliations 9

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

NPI Registry JSON

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

{
    "created_epoch": "1618012800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755129600000",
    "number": "1285214635",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2846 BARLOW ST",
            "city": "MADISON",
            "state": "WI",
            "postal_code": "537053622"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "700 S PARK ST",
            "city": "MADISON",
            "state": "WI",
            "postal_code": "537151830",
            "telephone_number": "608-251-6100",
            "fax_number": "608-258-6259"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2846 Barlow St",
            "address_purpose": "LOCATION",
            "city": "Madison",
            "state": "WI",
            "postal_code": "537053622",
            "country_code": "US",
            "telephone_number": "262-339-7182",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "PROBST",
        "first_name": "HALEY",
        "middle_name": "ALEXI",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-04-10",
        "last_updated": "2025-08-14",
        "certification_date": "2025-08-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "WI",
            "license": "81515-20",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "WI",
            "license": "81515-20",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "WI",
            "license": "81515-20",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://fhir.ssmhc.com/fhir/api/FHIR/DSTU2/",
            "affiliation": "N",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "FHIR API",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CCD",
            "address_1": "700 S Park St",
            "city": "Madison",
            "state": "WI",
            "country_code": "US",
            "postal_code": "537151830",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "hprobst553936@direct-ehr-ssmhrc.com",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "hprobst553936@direct-ehr-ssmhrc.com",
            "address_1": "700 S Park St",
            "city": "Madison",
            "state": "WI",
            "country_code": "US",
            "postal_code": "537151830",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Madison, WI

Sources for this page

Verify at the official NPI Registry.