Individual provider Active NPI

John B Casper, M.D.

  • Addiction Medicine (Internal Medicine) Physician
  • Hayden, ID
National Provider Identifier
1275642191
Registry record updated Dec 8, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Addiction Medicine (Internal Medicine) PhysicianTaxonomy code 207RA0401X
License
M4860 Issued in ID
Practice address
9030 N Hess St Ste 474
Hayden, ID 83835-9827
Phone
(208) 514-0518
Fax
(208) 486-4009
NPI assigned
Aug 30, 2006
Last updated
Dec 8, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 8, 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 M4860 ID
Addiction Medicine (Internal Medicine) Physician 207RA0401X M4860 ID Primary

Addresses

Primary practice location

9030 N Hess St Ste 474
Hayden, ID 83835-9827

Mailing address

9030 N Hess St Ste 474
Hayden, ID 83835-9827
Phone (208) 514-0518

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20040602001327 ID Practitioner - Internal MedicinePractitioner - Addiction Medicine 7012999170 Reassigns benefits to 1 organization
Practice locations: Garden City, ID

Care Compare profile

Medicare Care Compare
Specialty
Internal MedicineAlso: Addiction Medicine
Education
University of Washington School of Medicine, 1982
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Medical Consulting Services LLCGroup PAC ID 4082978754, 2 clinicians

Practice addresses (Care Compare)

Hayden, ID 83835
Phone (208) 514-0518

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
M4860IDMDAddiction Medicine (Internal Medicine) Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Ricardo Ramirezs Counseling PLLC CurrentSince Jun 27, 2023 Accepting new patients
Center for Behavioral Health Idaho, LLC PastSince Apr 15, 2013 Accepting new patients

Organizations & group practices 3

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.

NPI Registry JSON

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

{
    "created_epoch": "1156896000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765152000000",
    "number": "1275642191",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9030 N HESS ST STE 474",
            "city": "HAYDEN",
            "state": "ID",
            "postal_code": "838359827",
            "telephone_number": "208-514-0518",
            "fax_number": "208-486-4009"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9030 N HESS ST STE 474",
            "city": "HAYDEN",
            "state": "ID",
            "postal_code": "838359827",
            "telephone_number": "208-514-0518",
            "fax_number": "208-486-4009"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CASPER",
        "first_name": "JOHN",
        "middle_name": "B",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-08-30",
        "last_updated": "2025-12-08",
        "certification_date": "2025-12-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "ID",
            "license": "M4860",
            "primary": false
        },
        {
            "code": "207RA0401X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Addiction Medicine",
            "state": "ID",
            "license": "M4860",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Hayden, ID

Sources for this page

Verify at the official NPI Registry.