Quick answers
- Which hospitals does Mark Welch work at?
- Medicare's official clinician data lists Mark Welch at 3 hospitals: Cabinet Peaks Medical Center, Logan Health - Whitefish and Logan Health Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark Welch see patients?
- Medicare's clinician data lists 2 practice locations, including Libby, MT and Kalispell, MT. Call before your visit to confirm the address.
- What is Mark Welch's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Mark Welch accept Medicare assignment?
- Yes. Medicare's clinician data says Mark Welch 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 Mark Welch?
- (406) 283-7000, as listed in official Medicare / NPI Registry data.
- What is Mark Welch's NPI number?
- 1164561619. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark Welch works
Medicare's Facility Affiliation Data lists Mark Welch at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Cabinet Peaks Medical CenterLibby, MT · Critical Access Hospital · CCN 271320
- Logan Health - WhitefishWhitefish, MT · Critical Access Hospital · CCN 271336
- Logan Health Medical CenterKalispell, MT · Acute Care Hospital · CCN 270051
Practice locations
Addresses where Mark Welch is enrolled with Medicare (CMS data updated 2026-10-02).
- 209 Health Park DrLibby, MT 59923 (406) 283‑7000
- 310 Sunnyview LnKalispell, MT 59901 (406) 751‑6488
Group practices
Medicare enrollment lists Mark Welch as a member of these groups (CMS data updated 2026-10-02).
- Kalispell Regional Medical Center Inc421 clinicians in the group
- St Johns Lutheran Hospital Inc34 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Libby
Clinicians with the same Medicare primary specialty in Libby, MT — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Illinois College Of Med (chi/peor/rock/chm-Urb) |
| Graduation year | 1989 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1164561619 |
| 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