NPIMap

Individual provider Active NPI

John Waldron McCahan, MD

  • Rheumatology Physician
  • Bozeman, MT
National Provider Identifier
1144319922
Registry record updated Apr 9, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Rheumatology PhysicianTaxonomy code 207RR0500X
License
12743 Issued in MT
Practice address
931 Highland Blvd Ste 3260
Bozeman, MT 59715-6907
Phone
(406) 414-5198
NPI assigned
Oct 12, 2006
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 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 12743 MT
Rheumatology Physician 207RR0500X 12743 MT Primary

Addresses

Primary practice location

931 Highland Blvd Ste 3260
Bozeman, MT 59715-6907

Mailing address

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

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address jmccahan7291238@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
I20111201000599 MT Practitioner - RheumatologyPractitioner - Internal Medicine 5597762419 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
RheumatologyAlso: Internal Medicine
Education
Temple University School of Medicine, 2003
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)

931 Highland Blvd
Suite 3260
Bozeman, MT 59715-6907
Phone (406) 414-2410

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
87.04 of 100Reported as group
Quality
84.13
Promoting interoperability
100
Improvement activities
40
Cost
72.66

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
12743MTMDRheumatology Physician

Practice roles

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

Locations

931 Highland Blvd
Ste 3360
Bozeman, MT 59715
Phone (406) 414-5300

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

931 Highland Blvd
Ste 3210
Bozeman, MT 59715
Phone (406) 414-2410

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

931 Highland Blvd
Ste 3260
Bozeman, MT 59715
Phone (406) 414-2410

Interoperability endpoints

  • Direct secure messaging: jmccahan7291238@direct.sanfordhealth.org

Organizations & group practices 7

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 13

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

View all 13

NPI Registry JSON

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

{
    "created_epoch": "1160611200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1744156800000",
    "number": "1144319922",
    "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": "931 HIGHLAND BLVD STE 3260",
            "city": "BOZEMAN",
            "state": "MT",
            "postal_code": "597156907",
            "telephone_number": "406-414-5198"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MCCAHAN",
        "first_name": "JOHN",
        "middle_name": "WALDRON",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-10-12",
        "last_updated": "2025-04-09",
        "certification_date": "2025-04-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MT",
            "license": "12743",
            "primary": false
        },
        {
            "code": "207RR0500X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Rheumatology",
            "state": "MT",
            "license": "12743",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "jmccahan7291238@direct.sanfordhealth.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "931 Highland Blvd Ste 3260",
            "city": "Bozeman",
            "state": "MT",
            "country_code": "US",
            "postal_code": "597156907",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Bozeman, MT

Sources for this page

Verify at the official NPI Registry.