Robert Matthew Macgregor, MD
Surgery Physician · Saint Louis, MO
Robert Matthew Macgregor, MD is a surgery physician with a practice address in Saint Louis, Missouri, and NPI 1457701674, issued on Jun 18, 2016. Check the license (Missouri 2018017278, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Robert Matthew Macgregor
- Credential
- MD
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- 2018017278 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110
- Phone
- (314) 454-8877
- Enumerated
- Jun 18, 2016
- Record last updated
- Apr 17, 2025
- Fax
- (877) 991-4780
- Medicaid ID
- 200061149 MO
- Medicare enrollment
- Enrolled (PECOS I20230626002878); accepts Medicare assignment
- Medical or professional school
- Eastern Virginia Medical School, 2016
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 714 in Missouri → Look up another NPI →
Also registered at 1 Barnes Jewish Hospital Plz
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Robert Matthew Macgregor in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 2018017278Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% fewer Medicare Part D claims than the average surgery physician in 2024
43 Medicare Part D claims for 39 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. 36 claims were for opioids.
Most prescribed
- Oxycodone Hcl34 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: $125.31
2 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Washington UniversitySaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Matthew Macgregor among 714 surgery physician records in Missouri
Robert Matthew Macgregor, MD is one of 714 surgery physician records with a practice address in Missouri. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 68% of them.
- NPI issued2016 · 68% of these records are older, 30% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2016 · median 2006 among the 410 with a school on file
- Record last updated2025 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in Missouri
There are 714 surgery physician records in Missouri.
All 714 in Missouri → Every provider in Saint Louis → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- L Brunt, MDSaint Louis, MO 631101992723621
- Bradley Freeman, MDSaint Louis, MO 631101255359980
- William Hawkins, MDSaint Louis, MO 631101538187257
- Eddy Hsueh, MDSaint Louis, MO 631101003910225
- David Jaques, MDSaint Louis, MO 631101093706541
- John Kirby, MDSaint Louis, MO 631101902829823
- Mary Klingensmith, MDSaint Louis, MO 631101184640492
- Benjamin Kozower, MDSaint Louis, MO 631101548283450
Common questions
What is Robert Matthew Macgregor, MD's NPI number?
Robert Matthew Macgregor, MD's National Provider Identifier (NPI) is 1457701674, issued on Jun 18, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Robert Matthew Macgregor, MD located?
The NPPES record lists a practice address at 1 Barnes Jewish Hospital Plz, Saint Louis, MO, 63110. Phone: (314) 454-8877. Providers update this record themselves, so call before visiting.
How can I verify Robert Matthew Macgregor, MD's license?
NPPES lists Missouri license number 2018017278, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Robert Matthew Macgregor, MD prescribe under Medicare Part D?
In 2024, Robert Matthew Macgregor, MD had 43 Medicare Part D claims for 39 beneficiaries; the average among surgery physician prescribers was 147. 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.