Quick answers
- Which hospitals does Alan R. Christensen work at?
- Medicare's official clinician data lists Alan R. Christensen at 3 hospitals: Brookings Health System, Prairie Lakes Healthcare System, Inc and Sanford Hospital Webster - CAH. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Alan R. Christensen see patients?
- Medicare's clinician data lists 8 practice locations, including Sioux Falls, SD, Webster, SD and Brookings, SD. Call before your visit to confirm the address.
- What is Alan R. Christensen's specialty?
- Medicare lists General Surgery as the primary specialty.
- Does Alan R. Christensen accept Medicare assignment?
- Yes. Medicare's clinician data says Alan R. Christensen 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 Alan R. Christensen?
- (605) 312-2200, as listed in official Medicare / NPI Registry data.
- What is Alan R. Christensen's NPI number?
- 1023097565. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Alan R. Christensen works
Medicare's Facility Affiliation Data lists Alan R. Christensen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Brookings Health SystemBrookings, SD · Acute Care Hospital · CCN 430008
- Prairie Lakes Healthcare System, IncWatertown, SD · Acute Care Hospital · CCN 430005
- Sanford Hospital Webster - CAHWebster, SD · Critical Access Hospital · CCN 431311
Practice locations
Addresses where Alan R. Christensen is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 8; the Medicare profile lists all.
- 1301 W 18th StSioux Falls, SD 57105 (605) 312‑2200
- 1305 W 18th StSioux Falls, SD 57105
- 1401 W 1st StWebster, SD 57274 (605) 345‑4141
- 300 22nd AveBrookings, SD 57006 (605) 692‑6351
- 401 9th Ave NWWatertown, SD 57201 (605) 886‑9317
Group practices
Medicare enrollment lists Alan R. Christensen as a member of these groups (CMS data updated 2026-10-02).
- Sanford Medical Center857 clinicians in the group
- City of Brookings115 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in Sioux Falls
Clinicians with the same Medicare primary specialty in Sioux Falls, SD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1997 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1023097565 |
| 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