NPPES file of Aug 9, 2026

Margaret Macgregor, M.D.

Neurological Surgery Physician · Nashville, TN

Margaret Macgregor, M.D. is a neurological surgery physician with a practice address in Nashville, Tennessee, and NPI 1679665541, issued on Sep 29, 2006. Check the license (Tennessee 55149, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1679665541
Name
Margaret Macgregor
Credential
M.D.
Primary taxonomy
Neurological Surgery Physician 207T00000X
License numbers
55149 TN
036-089375 IL
Self-reported in NPPES; status is on the state search
Practice location
3638 Richland Ave, Nashville, TN 37205
Phone
(217) 652-6267
Enumerated
Sep 29, 2006
Record last updated
Jul 28, 2026
Medicaid ID
03689375 IL
Medicare enrollment
Enrolled (PECOS I20240628001552); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Verify Margaret Macgregor in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTennessee Board of Medical Examiners
    Search for license 55149
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Tennessee license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

59% fewer Medicare Part D claims than the average neurological surgery physician in 2024

70 Medicare Part D claims for 28 beneficiaries, against an average of 172 among the 4,378 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 20 claims were for opioids.

  1. Margaret Macgregor70
  2. Specialty average172

Most prescribed

  1. Tizanidine Hcl16 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.

Industry payments in 2024: $3,129.68

29 payments; by number, the most common kind was food and beverage; the largest payer was Cerapedics Inc. The 5,377 providers of this specialty with any payment received $14,925.58 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Margaret Macgregor$3,130
  2. Specialty average$14,926

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

5 hospitals and group practices

  1. Anmed HealthAnderson, SC · Acute Care Hospitals4 of 5 stars
  2. Mclaren Northern MichiganPetoskey, MI · Acute Care Hospitals3 of 5 stars
  3. Advanced Diagnostic Imaging PCHermitage, TN
  4. Health Care Authority For Baptist Health, AN Affiliate OF UabhsMontgomery, AL
  5. Saint Thomas Medical PartnersMurfreesboro, TN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Margaret Macgregor among 191 neurological surgery physician records in Tennessee

Margaret Macgregor, M.D. is one of 191 neurological surgery physician records with a practice address in Tennessee. 82% 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 14% of them.

  • NPI issued2006 · 14% of these records are older, 54% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 73% of these records are
  • Graduated1992 · median 2005 among the 140 with a school on file
  • Record last updated2026 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207T00000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neurological Surgery Physician providers in Tennessee

There are 191 neurological surgery physician records in Tennessee.

The 8 neurological surgery physician records with the nearest ZIP codes

  1. Michael SilvaNashville, TN 372051699234443
  2. Manuel Weiss, M.D.Nashville, TN 372051649306689
  3. James Barry, M.D.Nashville, TN 372031184039885
  4. Robbi Franklin, MDNashville, TN 372031619171279
  5. William Gordon, M.D.Nashville, TN 372031164865671
  6. Nicholas Laskay, MDNashville, TN 372031396242285
  7. Richard Lebow, MDNashville, TN 372031578610457
  8. Khan Li, M.D.Nashville, TN 372031770634412

Common questions

What is Margaret Macgregor, M.D.'s NPI number?

Margaret Macgregor, M.D.'s National Provider Identifier (NPI) is 1679665541, issued on Sep 29, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Margaret Macgregor, M.D. located?

The NPPES record lists a practice address at 3638 Richland Ave, Nashville, TN, 37205. Phone: (217) 652-6267. Providers update this record themselves, so call before visiting.

How can I verify Margaret Macgregor, M.D.'s license?

NPPES lists Tennessee license number 55149, 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 Margaret Macgregor, M.D. prescribe under Medicare Part D?

In 2024, Margaret Macgregor, M.D. had 70 Medicare Part D claims for 28 beneficiaries; the average among neurological surgery physician prescribers was 172. 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.