Quick answers
- Which hospitals does Timothy J. Johans work at?
- Medicare's official clinician data lists Timothy J. Johans at 2 hospitals: Saint Alphonsus Medical Center Ontario and Treasure Valley Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Timothy J. Johans see patients?
- Medicare's clinician data lists 2 practice locations, including Boise, ID. Call before your visit to confirm the address.
- What is Timothy J. Johans's specialty?
- Medicare lists Neurosurgery as the primary specialty.
- Does Timothy J. Johans accept Medicare assignment?
- Yes. Medicare's clinician data says Timothy J. Johans accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Timothy J. Johans?
- (208) 327-5600, as listed in official Medicare / NPI Registry data.
- What is Timothy J. Johans's NPI number?
- 1730101148. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Timothy J. Johans works
Medicare's Facility Affiliation Data lists Timothy J. Johans at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Saint Alphonsus Medical Center OntarioOntario, OR · Acute Care Hospital · CCN 380052
- Treasure Valley HospitalBoise, ID · Acute Care Hospital · CCN 130063
Practice locations
Addresses where Timothy J. Johans is enrolled with Medicare (CMS data updated 2026-10-02).
- 6140 W Curtisian Ave, Suite 400Boise, ID 83704 (208) 327‑5600
- 8800 W Emerald StBoise, ID 83704 (208) 373‑5000
Specialties
- Neurosurgeryprimary
Other neurosurgeons in Boise
Clinicians with the same Medicare primary specialty in Boise, ID — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Kansas School Of Med (kc/wich/sal) |
| Graduation year | 1985 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1730101148 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians