Active NPI
Jeffrey Allen Tjaden, M.D. M.P.H.
- Infectious Disease Physician
- Bozeman, MT
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Infectious Disease Physician
- License
- 8294
- Practice address
- 937 Highland Blvd Ste 5120
Bozeman, MT 59715-6916 - Phone
- (406) 414-4210
- NPI assigned
- Dec 12, 2006
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Infectious Disease Physician | 207RI0200X | 8294 | MT | Primary |
Addresses
Primary practice location
937 Highland Blvd Ste 5120
Bozeman, MT 59715-6916
Mailing address
915 Highland Blvd
Bozeman, MT 59715-6902
Phone (406) 414-5000
Other practice location 1
430 Windward Way Ste 100
Kalispell, MT 59901-2619
Phone (406) 751-5364
Other identifiers 2
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 1164583373 | Medicaid | MT | |
| 1164583373 | Other | MT | BCBS |
Electronic endpoints 3
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | krmcmedicalrecords@krhdirect.org | Kalispell Regional Medical Center Inc | |
| Direct Messaging Address | DEPTLHREVIntegrityHIMTechs@logan.org | Kalispell Regional Medical Center Inc | |
| Direct Messaging Address | krmcmedicalrecords@krhdirect.org | Kalispell Regional Med Center Inc |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MT
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20110208000797 | MT | Practitioner - Infectious Disease | 5294915286 | Reassigns benefits to 3 organizations |
Care Compare profile
Medicare Care Compare- Specialty
- Infectious Disease
- Education
- Other, 1996
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
- Bozeman Health Deaconess Hospital
Practice addresses (Care Compare)
937 Highland Blvd
Suite 5120
Bozeman, MT 59715-6916
Phone (406) 414-4210
Hospital & facility affiliations
- Bozeman Health Deaconess Hospital
- Livingston Healthcare
- Madison Valley Medical Center
- St James Hospital
- St Peters Health
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Bozeman Health Deaconess Hospital | Current | Accepting new patients | |
| Bozeman Health Deaconess Hospital | Current | Accepting new patients | |
| Belgrade Clinic PLLP | Current | Accepting new patients | |
| Bozeman Health Deaconess Hospital | Current | Accepting new patients | |
| Kalispell Regional Medical Center, Inc | Past | Accepting new patients | |
| Bozeman Health Deaconess Hospital | Past | Accepting new patients |
Locations
925 Highland Blvd
Bozeman, MT 59715
Phone (406) 414-3780
937 Highland Blvd
Ste 5120
Bozeman, MT 59715
Phone (406) 414-3710
925 Highland Blvd
Ste 1220
Bozeman, MT 59715
Phone (406) 414-3780
915 Highland Blvd
Bozeman, MT 59715
Phone (406) 414-1720
320 Alpenglow Ln
Livingston, MT 59047
Phone (406) 222-3541
Interoperability endpoints
- krmcmedicalrecords@krhdirect.org
Organizations & group practices 9
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.
-
- General Acute Care Hospital
- Bozeman, MT
- NPI 1104295864
-
- Oxygen Equipment & Supplies (DME)
- Bozeman, MT
- NPI 1336519024
-
- Community/Retail Pharmacy
- Bozeman, MT
- NPI 1740387661
-
- Family Medicine Physician
- Belgrade, MT
- NPI 1447280912
-
- Durable Medical Equipment & Medical Supplies
- Bozeman, MT
- NPI 1013733955
-
- Emergency Medicine Physician
- Bozeman, MT
- NPI 1437529112
-
- Surgery Physician
- Kalispell, MT
- NPI 1215527403
Hospital & facility affiliations 12
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": "1165881600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1744156800000",
"number": "1164583373",
"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 5120",
"city": "BOZEMAN",
"state": "MT",
"postal_code": "597156916",
"telephone_number": "406-414-4210"
}
],
"practiceLocations": [
{
"address_1": "430 Windward Way Ste 100",
"address_purpose": "LOCATION",
"city": "Kalispell",
"state": "MT",
"postal_code": "599012619",
"country_code": "US",
"telephone_number": "406-751-5364",
"fax_number": "406-751-5367",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "TJADEN",
"first_name": "JEFFREY",
"middle_name": "ALLEN",
"credential": "M.D. M.P.H.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-12-12",
"last_updated": "2025-04-09",
"certification_date": "2025-04-09",
"status": "A"
},
"taxonomies": [
{
"code": "207RI0200X",
"taxonomy_group": "",
"desc": "Internal Medicine, Infectious Disease",
"state": "MT",
"license": "8294",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "1164583373",
"state": "MT"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "BCBS",
"identifier": "1164583373",
"state": "MT"
}
],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "krmcmedicalrecords@krhdirect.org",
"affiliation": "Y",
"affiliationName": "Kalispell Regional Medical Center Inc",
"address_1": "430 Windward Way Ste 100",
"city": "Kalispell",
"state": "MT",
"country_code": "US",
"postal_code": "599012619",
"country_name": "United States",
"address_type": "DOM"
},
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "DEPTLHREVIntegrityHIMTechs@logan.org",
"affiliation": "Y",
"affiliationName": "Kalispell Regional Medical Center Inc",
"address_1": "430 Windward Way Ste 100",
"city": "Kalispell",
"state": "MT",
"country_code": "US",
"postal_code": "599012619",
"country_name": "United States",
"address_type": "DOM"
},
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "krmcmedicalrecords@krhdirect.org",
"affiliation": "Y",
"affiliationName": "Kalispell Regional Med Center Inc",
"address_1": "210 Sunnyview Ln Ste 105",
"city": "Kalispell",
"state": "MT",
"country_code": "US",
"postal_code": "599013128",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Bozeman, MT
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 9, 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.