Quick answers
- Which hospitals does Duncan B. Ackerman work at?
- Medicare's official clinician data lists Duncan B. Ackerman at 5 hospitals: CHI St Alexius Health, CHI St Alexius Health Williston, Sakakawea Medical Center - CAH, Trinity Hospitals and West River Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Duncan B. Ackerman see patients?
- Medicare's clinician data lists 2 practice locations, including Bismarck, ND and Dickinson, ND. Call before your visit to confirm the address.
- What is Duncan B. Ackerman's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty, and also Hand Surgery.
- Does Duncan B. Ackerman accept Medicare assignment?
- Yes. Medicare's clinician data says Duncan B. Ackerman 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 Duncan B. Ackerman?
- (701) 946-7500, as listed in official Medicare / NPI Registry data.
- What is Duncan B. Ackerman's NPI number?
- 1508842154. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Duncan B. Ackerman works
Medicare's Facility Affiliation Data lists Duncan B. Ackerman at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- CHI St Alexius HealthBismarck, ND · Acute Care Hospital · CCN 350002
- CHI St Alexius Health WillistonWilliston, ND · Critical Access Hospital · CCN 351334
- Sakakawea Medical Center - CAHHazen, ND · Critical Access Hospital · CCN 351310
- Trinity HospitalsMinot, ND · Acute Care Hospital · CCN 350006
- West River Regional Medical CenterHettinger, ND · Critical Access Hospital · CCN 351330
Practice locations
Addresses where Duncan B. Ackerman is enrolled with Medicare (CMS data updated 2026-10-02).
- 310 N 9th StBismarck, ND 58501 (701) 946‑7500
- 683 State AveDickinson, ND 58601 (701) 483‑9400
Group practices
Medicare enrollment lists Duncan B. Ackerman as a member of these groups (CMS data updated 2026-10-02).
- Omaha Therapy Inc65 clinicians in the group
- Bone and Joint Center PC41 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
- Hand Surgeryalso
Other orthopedic surgeons in Bismarck
Clinicians with the same Medicare primary specialty in Bismarck, ND — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of North Dakota School Of Medicine |
| Graduation year | 2003 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1508842154 |
| 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