Robert Duncan Macmillan, MD
Family Medicine Physician · Murfreesboro, TN
Robert Duncan Macmillan, MD is a family medicine physician with a practice address in Murfreesboro, Tennessee, and NPI 1578692695, issued on Mar 5, 2007. Check the license (Tennessee 43397, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Robert Duncan Macmillan
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 43397 TN
Self-reported in NPPES; status is on the state search - Practice location
- 3400 Lebanon RD, Murfreesboro, TN 37129
- Phone
- (615) 867-6000
- Enumerated
- Mar 5, 2007
- Record last updated
- Nov 16, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicaid ID
- 1514300 TN
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,674 in Tennessee → Look up another NPI →
Also registered at 3400 Lebanon RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mickey Acker, PT, DPTPhysical Therapist1992186688
- Wanda Adams, ANPAdult Health Nurse Practitioner1134317902
- Gary Adkerson, RPHPharmacist1831203058
- Khandaker AhadOphthalmology Physician1346350527
- Saleh Ahmad, MDPsychiatry Physician1083657027
- Richa Airee, RPH, PHARMD, BCPSPharmacist1750800421
Verify Robert Duncan Macmillan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 43397Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average family medicine physician in 2024
80 Medicare Part D claims for 11 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
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.
Robert Duncan Macmillan among 2,674 family medicine physician records in Tennessee
Robert Duncan Macmillan, MD is one of 2,674 family medicine physician records with a practice address in Tennessee. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 52% of them.
- NPI issued2007 · 52% of these records are older, 39% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2018 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
101 family medicine physician records list a practice address in Murfreesboro
They are 101 of the 3,910 NPPES records with a practice address in Murfreesboro, and 2,674 family medicine physician records in Tennessee.
All 2,674 in Tennessee → Every provider in Murfreesboro → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Laura Born, MDMurfreesboro, TN 371291669443875
- Dennis Carter, MDMurfreesboro, TN 371291831287630
- Scott Eller, M.D.Murfreesboro, TN 371291467418871
- Christine Hoffman, MDMurfreesboro, TN 371291548292212
- Chris Ingraham, D.O.Murfreesboro, TN 371291720195878
- David Johnson, M.D.Murfreesboro, TN 371291770639619
- Heidi Lakes, M.D.Murfreesboro, TN 371291205945300
- Warren Langworthy, MDMurfreesboro, TN 371291083614044
Common questions
What is Robert Duncan Macmillan, MD's NPI number?
Robert Duncan Macmillan, MD's National Provider Identifier (NPI) is 1578692695, issued on Mar 5, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Robert Duncan Macmillan, MD located?
The NPPES record lists a practice address at 3400 Lebanon RD, Murfreesboro, TN, 37129. Phone: (615) 867-6000. Providers update this record themselves, so call before visiting.
How can I verify Robert Duncan Macmillan, MD's license?
NPPES lists Tennessee license number 43397, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Robert Duncan Macmillan, MD prescribe under Medicare Part D?
In 2024, Robert Duncan Macmillan, MD had 80 Medicare Part D claims for 11 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
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.