NPIMap

Individual provider Active NPI

Kenneth Edward Langen, M.D.

  • Pediatric Anesthesiology Physician
  • Bozeman, MT
National Provider Identifier
1043437304
Registry record updated Feb 21, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatric Anesthesiology PhysicianTaxonomy code 207LP3000X
License
MED-PHYS-LIC-92033 Issued in MT
Practice address
915 Highland Blvd
Bozeman, MT 59715-6902
Phone
(406) 414-5000
NPI assigned
Apr 19, 2007
Last updated
Feb 21, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 21, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatric Anesthesiology Physician 207LP3000X MED-PHYS-LIC-92033 MT Primary
Pediatric Anesthesiology Physician 207LP3000X 036-111989 IL

Addresses

Primary practice location

915 Highland Blvd
Bozeman, MT 59715-6902

Mailing address

606 Park PL
Bozeman, MT 59715-7154
Phone (708) 601-2988

Other practice location 1

801 S Washington St
Naperville, IL 60540-7430
Phone (630) 355-0450

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IL, MT, IN3 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 3

Enrollment IDStateProvider typePAC IDDetails
I20071205000088 IL Practitioner - Anesthesiology 6002905601
I20210301001272 MT Practitioner - Anesthesiology 6002905601 Reassigns benefits to 3 organizations
I20250915003784 IN Practitioner - Anesthesiology 6002905601 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology
Education
Loyola University of Chicago, Stritch School of Medicine, 2002
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Reid Physician Associates IncGroup PAC ID 6406910769, 427 clinicians
Gallatin Valley Anesthesia Associates PCGroup PAC ID 1456372523, 35 clinicians

Practice addresses (Care Compare)

1100 Reid Pkwy
Richmond, IN 47374-1157
Phone (765) 983-3122

925 Highland Blvd
Suite 1180
Bozeman, MT 59715-6905
Phone (406) 587-8631

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
036-111989ILMDPediatric Anesthesiology Physician
MED-PHYS-LIC-92033MTMDPediatric Anesthesiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Billings Clinic CurrentSince Apr 24, 2025 Accepting new patients
Reid Physician Associates, Inc. CurrentSince Oct 9, 2025 Accepting new patients
Billings Clinic Current Accepting new patients
Gallatin Valley Anesthesia Associates PC CurrentSince Jan 25, 2021 Accepting new patients
Billings Clinic CurrentSince Apr 24, 2025 Accepting new patients
Reid Physician Associates, Inc CurrentSince Oct 9, 2025 Accepting new patients
Granite Peak Anesthesiology Consultants CurrentSince Jul 6, 2024 Accepting new patients
Intercity Radiology, PC PastSince Jan 25, 2021 Accepting new patients
Valley Children's Medical Group Past Accepting new patients
Chicago Area Partners in Anesthesia LLC Past Accepting new patients
Pediatric Anesthesia Associates, LTD Past Accepting new patients

Locations

9300 Valley Childrens Pl
Madera, CA 93636
Phone (559) 353-5700

1100 Reid Pkwy
Richmond, IN 47374
Phone (765) 983-3000

2800 10th Ave N
Billings, MT 59101
Phone (406) 248-3290

2800 10th Ave N
Ste D
Billings, MT 59101
Phone (406) 657-4100

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

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

925 Highland Blvd
Ste 1180
Bozeman, MT 59715
Phone (406) 582-4963

320 Alpenglow Ln
Livingston, MT 59047
Phone (406) 222-3541

Interoperability endpoints

  • Direct secure messaging: klangen488264@reidhealth.direct-ci.com
  • Direct secure messaging: klangen91555@valleychildrens-prd.direct-ci.com

Organizations & group practices 11

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 10

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": "1176940800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771632000000",
    "number": "1043437304",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "606 PARK PL",
            "city": "BOZEMAN",
            "state": "MT",
            "postal_code": "597157154",
            "telephone_number": "708-601-2988"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "915 HIGHLAND BLVD",
            "city": "BOZEMAN",
            "state": "MT",
            "postal_code": "597156902",
            "telephone_number": "406-414-5000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "801 S Washington St",
            "address_purpose": "LOCATION",
            "city": "Naperville",
            "state": "IL",
            "postal_code": "605407430",
            "country_code": "US",
            "telephone_number": "630-355-0450",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LANGEN",
        "first_name": "KENNETH",
        "middle_name": "EDWARD",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-04-19",
        "last_updated": "2026-02-21",
        "certification_date": "2026-02-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207LP3000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology, Pediatric Anesthesiology",
            "state": "MT",
            "license": "MED-PHYS-LIC-92033",
            "primary": true
        },
        {
            "code": "207LP3000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology, Pediatric Anesthesiology",
            "state": "IL",
            "license": "036-111989",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Bozeman, MT

Sources for this page

Verify at the official NPI Registry.