Quick answers
- Where does Robert D. Maclachlan see patients?
- Medicare's clinician data lists 4 practice locations, including Rapid City, SD and Gillette, WY. Call before your visit to confirm the address.
- What is Robert D. Maclachlan's specialty?
- Medicare lists Neurology as the primary specialty.
- Does Robert D. Maclachlan accept Medicare assignment?
- Yes. Medicare's clinician data says Robert D. Maclachlan 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 Robert D. Maclachlan?
- (800) 446-9556, as listed in official Medicare / NPI Registry data.
- What is Robert D. Maclachlan's NPI number?
- 1265491195. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Robert D. Maclachlan is enrolled with Medicare (CMS data updated 2026-10-02).
- 216 Anamaria DrRapid City, SD 57701
- 2201 S Douglas Hwy, Suite 120Gillette, WY 82718 (800) 446‑9556
- 4141 5th StRapid City, SD 57701 (605) 341‑1414
- 7220 Mount Rushmore RdRapid City, SD 57702 (605) 737‑9151
Group practices
Medicare enrollment lists Robert D. Maclachlan as a member of these groups (CMS data updated 2026-10-02).
- Black Hills Surgical Hospital LLC174 clinicians in the group
- Black Hills Orthopedic and Spine Center Inc72 clinicians in the group
- Black Hills Orthopedic and Spine Center of Wyoming PC10 clinicians in the group
Specialties
- Neurologyprimary
Other neurologists in Rapid City
Clinicians with the same Medicare primary specialty in Rapid City, SD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1993 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1265491195 |
| 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
- 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