Robert D. Maclachlan, M.D.
Neurology Physician · Rapid City, SD
Robert D. Maclachlan, M.D. is a neurology physician with a practice address in Rapid City, South Dakota, and NPI 1265491195, issued on Mar 20, 2006. Check the license (South Dakota 4985, as entered in NPPES) on the South Dakota Board of Medical and Osteopathic Examiners; the Medicare figures below come from public CMS files.
- Name
- Robert D. Maclachlan
- Credential
- M.D.
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- 4985 SD
Self-reported in NPPES; status is on the state search - Practice location
- 4141 5TH St, Rapid City, SD 57701
- Phone
- (605) 341-2424
- Enumerated
- Mar 20, 2006
- Record last updated
- Jan 14, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (605) 341-4547
- Medicare enrollment
- Enrolled (PECOS I20040429000984); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 51 in South Dakota → Look up another NPI →
Also registered at 4141 5TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Nancy Busching, R.P.T.Physical Therapist1982663555
- Philip Busching, M.P.T.Physical Therapist1114986783
- Christopher Dietrich, MDPhysical Medicine & Rehabilitation Physician1063403905
Verify Robert D. Maclachlan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Dakota Board of Medical and Osteopathic Examiners
Search for license 4985Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average neurology physician in 2024
241 Medicare Part D claims for 35 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Carbidopa-Levodopa101 claims
- Divalproex Sodium Er29 claims
- Primidone15 claims
- Evrysdi14 claims
- Rasagiline Mesylate13 claims
- Copaxone12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 52.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Black Hills Orthopedic And Spine Center IncRapid City, SD
- Black Hills Orthopedic And Spine Center OF Wyoming PCGillette, WY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert D. Maclachlan among 51 neurology physician records in South Dakota
Robert D. Maclachlan, M.D. is one of 51 neurology physician records with a practice address in South Dakota. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 67% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 80% of these records are
- Graduated1993 · median 2009 among the 41 with a school on file
- Record last updated2021 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in South Dakota
There are 51 neurology physician records in South Dakota.
All 51 in South Dakota → Every provider in Rapid City → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Douglas Brown, MDRapid City, SD 577011063591857
- Heather Cwach, MDRapid City, SD 577011255481420
- Robert Finley, MDRapid City, SD 577011891845145
- Steven Hata, MDRapid City, SD 577011003966334
- Mohamadmostafa Jahansouz, MDRapid City, SD 577011275160244
- Jennifer Kruger, MDRapid City, SD 577011396953774
- Lee McCraney, DORapid City, SD 577011619534021
- Barbara Merriman, DORapid City, SD 577011295173656
Common questions
What is Robert D. Maclachlan, M.D.'s NPI number?
Robert D. Maclachlan, M.D.'s National Provider Identifier (NPI) is 1265491195, issued on Mar 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert D. Maclachlan, M.D. located?
The NPPES record lists a practice address at 4141 5TH St, Rapid City, SD, 57701. Phone: (605) 341-2424. Providers update this record themselves, so call before visiting.
How can I verify Robert D. Maclachlan, M.D.'s license?
NPPES lists South Dakota license number 4985, as entered by the provider. Search the South Dakota Board of Medical and Osteopathic Examiners at https://www.sdbmoe.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Robert D. Maclachlan, M.D. prescribe under Medicare Part D?
In 2024, Robert D. Maclachlan, M.D. had 241 Medicare Part D claims for 35 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.
What is Robert D. Maclachlan, M.D.'s MIPS final score?
The 2023 MIPS final score is 52.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.