Quick answers
- Which hospitals does David C. Walker work at?
- Medicare's official clinician data lists David C. Walker at 5 hospitals: Billings Clinic Hospital, Campbell County Health, Intermountain Health St Vincent Regional Hospital, Johnson County Healthcare Center and Sheridan Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does David C. Walker see patients?
- Medicare's clinician data lists 2 practice locations, including Sheridan, WY. Call before your visit to confirm the address.
- What is David C. Walker's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does David C. Walker accept Medicare assignment?
- Yes. Medicare's clinician data says David C. Walker 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.
- Does David C. Walker offer telehealth?
- Medicare's clinician data says David C. Walker offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for David C. Walker?
- (307) 675-2650, as listed in official Medicare / NPI Registry data.
- What is David C. Walker's NPI number?
- 1639142508. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where David C. Walker works
Medicare's Facility Affiliation Data lists David C. Walker at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Billings Clinic HospitalBillings, MT · Acute Care Hospital · CCN 270004
- Campbell County HealthGillette, WY · Acute Care Hospital · CCN 530002
- Intermountain Health St Vincent Regional HospitalBillings, MT · Acute Care Hospital · CCN 270049
- Johnson County Healthcare CenterBuffalo, WY · Critical Access Hospital · CCN 531308
- Sheridan Memorial HospitalSheridan, WY · Acute Care Hospital · CCN 530006
Practice locations
Addresses where David C. Walker is enrolled with Medicare (CMS data updated 2026-10-02).
- 1333 W 5th StSheridan, WY 82801 (307) 675‑2650
- 1401 W 5th StSheridan, WY 82801 (307) 672‑1000
Group practices
Medicare enrollment lists David C. Walker as a member of these groups (CMS data updated 2026-10-02).
- Big Horn Health Network91 clinicians in the group
- Memorial Hospital of Sheridan County91 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Sheridan
Clinicians with the same Medicare primary specialty in Sheridan, WY — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Des Moines University Of Osteopathic Medicine And Health Sciences |
| Graduation year | 1994 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1639142508 |
| 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