NPIMap

Individual provider Active NPI

Steffan John May, M.D.

  • Internal Medicine Physician
  • Bozeman, MT
National Provider Identifier
1194915397
Registry record updated Apr 9, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
12395 Issued in MT
Practice address
937 Highland Blvd Ste 5410
Bozeman, MT 59715-6916
Phone
(406) 522-2400
Fax
(406) 587-3610
NPI assigned
Jul 25, 2007
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 9, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 12395 MT Primary

Addresses

Primary practice location

937 Highland Blvd Ste 5410
Bozeman, MT 59715-6916

Mailing address

915 Highland Blvd
Bozeman, MT 59715-6902
Phone (406) 414-5000

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address smay7291076@direct.sanfordhealth.org Direct

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MT
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
I20101014000324 MT Practitioner - Internal Medicine 6709078348 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Ohio State University College of Medicine, 2007
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Bozeman Health Deaconess HospitalGroup PAC ID 4688984164, 309 clinicians

Practice addresses (Care Compare)

935 Highland Blvd
Suite 2210
Bozeman, MT 59715-6904
Phone (406) 414-4000

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
12395MTMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Bozeman Health Deaconess Hospital CurrentSince Jan 1, 2016 Accepting new patients
Belgrade Clinic PLLP Current Accepting new patients
Bozeman Health Deaconess Hospital Internal Medicine CurrentSince Jan 1, 2016 Accepting new patients
Bozeman Health Deaconess Hospital Past Accepting new patients
Frances Mahon Deaconess Hospital Past Accepting new patients

Locations

3905 Wellness Way
Ste 3B
Bozeman, MT 59718
Phone (406) 414-4250

915 Highland Blvd
Bozeman, MT 59715
Phone (406) 414-1720

925 Highland Blvd
Ste 1220
Bozeman, MT 59715
Phone (406) 414-3780

931 Highland Blvd
Ste 3220
Bozeman, MT 59715
Phone (406) 414-5336

937 Highland Blvd
Ste 5410
Bozeman, MT 59715
Phone (406) 414-2400

935 Highland Blvd
Ste 2210
Bozeman, MT 59715
Phone (406) 414-3133

925 Highland Blvd
Bozeman, MT 59715
Phone (406) 414-3780

905 Highland Blvd
Ste 4500
Bozeman, MT 59715
Phone (406) 414-5150

Interoperability endpoints

  • Direct secure messaging: smay7291076@direct.sanfordhealth.org

Organizations & group practices 5

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 8

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": "1185321600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1744156800000",
    "number": "1194915397",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "915 HIGHLAND BLVD",
            "city": "BOZEMAN",
            "state": "MT",
            "postal_code": "597156902",
            "telephone_number": "406-414-5000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "937 HIGHLAND BLVD STE 5410",
            "city": "BOZEMAN",
            "state": "MT",
            "postal_code": "597156916",
            "telephone_number": "406-522-2400",
            "fax_number": "406-587-3610"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MAY",
        "first_name": "STEFFAN",
        "middle_name": "JOHN",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-07-25",
        "last_updated": "2025-04-09",
        "certification_date": "2025-04-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MT",
            "license": "12395",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "smay7291076@direct.sanfordhealth.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "937 Highland Blvd Ste 5410",
            "city": "Bozeman",
            "state": "MT",
            "country_code": "US",
            "postal_code": "597156916",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Bozeman, MT

Sources for this page

Verify at the official NPI Registry.