Margaret L. Macmillan, MD
Pediatric Hematology & Oncology Physician · Minneapolis, MN
Margaret L. Macmillan, MD is a pediatric hematology & oncology physician with a practice address in Minneapolis, Minnesota, and NPI 1881771947, issued on Nov 1, 2006. Check the license (Minnesota 41502, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Margaret L. Macmillan
- Credential
- MD
- Primary taxonomy
- Pediatric Hematology & Oncology Physician 2080P0207X
- License number
- 41502 MN
Self-reported in NPPES; status is on the state search - Practice location
- 2450 Riverside Ave SE, Minneapolis, MN 55454
- Phone
- (612) 365-8100
- Enumerated
- Nov 1, 2006
- Record last updated
- Apr 11, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicaid IDs
- 0517722 IA
0052234 MT
214519700 MN
32592500 WI - Medicare enrollment
- Enrolled (PECOS I20080729000563); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest pediatric hematology & oncology physician records → All 77 in Minnesota → Look up another NPI →
Also registered at 2450 Riverside Ave SE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jodell Dahl, RN, MS, CNPPediatric Nurse Practitioner1396861217
- Emily Greengard, M.D.Pediatric Hematology & Oncology Physician1538369871
- Ashish Gupta, M.D, M.P.HPediatric Hematology & Oncology Physician1669890745
- Jonathan Jensen, MDChild & Adolescent Psychiatry Physician1366534273
- Weston Miller, M.D.Pediatric Hematology & Oncology Physician1407903156
Verify Margaret L. Macmillan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 41502Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 81.7 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).
Industry payments in 2024: $36,302.63
6 payments; by number, the most common kind was consulting fee; the largest payer was National Marrow Donor Program. The 1,215 providers of this specialty with any payment received $7,404.07 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
- Fairview Express CareMinneapolis, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Margaret L. Macmillan among 77 pediatric hematology & oncology physician records in Minnesota
Margaret L. Macmillan, MD is one of 77 pediatric hematology & oncology physician records with a practice address in Minnesota. 56% 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 3% of them.
- NPI issued2006 · 3% of these records are older, 65% newer
- In a Medicare fileYes · 56% of these records are
- In the CMS Doctors and Clinicians fileYes · 49% of these records are
- Graduated1991 · median 2010 among the 38 with a school on file
- Record last updated2012 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0207X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Hematology & Oncology Physician providers in Minnesota
There are 77 pediatric hematology & oncology physician records in Minnesota.
All 77 in Minnesota → Every provider in Minneapolis → Pediatric Hematology & Oncology Physician nationwide →
The 8 pediatric hematology & oncology physician records with the nearest ZIP codes
- Christen Ebens, M.D.Minneapolis, MN 554541386846095
- Peter Gordon, MD, PHDMinneapolis, MN 554541558565085
- Emily Greengard, M.D.Minneapolis, MN 554541538369871
- Ashish Gupta, M.D, M.P.HMinneapolis, MN 554541669890745
- Jessica Knight-Perry, MDMinneapolis, MN 554541912206103
- Weston Miller, M.D.Minneapolis, MN 554541407903156
- Christopher Moertel, MDMinneapolis, MN 554541720058043
- Joseph Neglia, M.D., M.P.H.Minneapolis, MN 554541720024474
Common questions
What is Margaret L. Macmillan, MD's NPI number?
Margaret L. Macmillan, MD's National Provider Identifier (NPI) is 1881771947, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Margaret L. Macmillan, MD located?
The NPPES record lists a practice address at 2450 Riverside Ave SE, Minneapolis, MN, 55454. Phone: (612) 365-8100. Providers update this record themselves, so call before visiting.
How can I verify Margaret L. Macmillan, MD's license?
NPPES lists Minnesota license number 41502, as entered by the provider. Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Margaret L. Macmillan, MD's MIPS final score?
The 2023 MIPS final score is 81.7 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.