Margaret E. Gillis, MD
Emergency Medical Services (Emergency Medicine) Physician · Ann Arbor, MI
Margaret E. Gillis, MD is an emergency medical services (emergency medicine) physician with a practice address in Ann Arbor, Michigan, and NPI 1477590123, issued on Jun 1, 2006. Check the license (Michigan 079617, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Margaret E. Gillis
- Credential
- MD
- Primary taxonomy
- Emergency Medical Services (Emergency Medicine) Physician 207PE0004X
- License number
- 079617 MI
Self-reported in NPPES; status is on the state search - Practice location
- 5301 E Huron River Dr, Ann Arbor, MI 48106
- Phone
- (734) 712-3962
- Enumerated
- Jun 1, 2006
- Record last updated
- Dec 20, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid IDs
- 104789596 MI
104789602 MI - Medicare enrollment
- Enrolled (PECOS I20051027000752); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 2002
- Entity
- Type 1 · individual
8 nearest emergency medical services (emergency medicine) physician records → All 361 in Michigan → Look up another NPI →
Also registered at 5301 E Huron River Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Harvey Amoe, M.D.Diagnostic Radiology Physician1740233055
- Michael Baker, MDEmergency Medicine Physician1457381824
- Deloisteen BrownFamily Medicine Physician1790709129
- Mark Rosner, MDEmergency Medical Services (Emergency Medicine) Physician1902847270
Verify Margaret E. Gillis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 079617Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
62% fewer Medicare Part D claims than the average emergency medical services (emergency medicine) physician in 2024
111 Medicare Part D claims for 84 beneficiaries, against an average of 292 among the 1,653 providers of this specialty who prescribed in Part D. 13 claims were for opioids.
Most prescribed
- Cephalexin13 claims
- Cefdinir12 claims
- Oxycodone Hcl12 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: $134.50
1 payment: food and beverage; the largest payer was Ucb, Inc. The 489 providers of this specialty with any payment received $337.59 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
- Epmg OF Michigan PCYpsilanti, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Margaret E. Gillis among 361 emergency medical services (emergency medicine) physician records in Michigan
Margaret E. Gillis, MD is one of 361 emergency medical services (emergency medicine) physician records with a practice address in Michigan. 62% 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 11% of them.
- NPI issued2006 · 11% of these records are older, 13% newer
- In a Medicare fileYes · 62% of these records are
- In the CMS Doctors and Clinicians fileYes · 41% of these records are
- Graduated2002 · median 1997 among the 148 with a school on file
- Record last updated2021 · 72% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207PE0004X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medical Services (Emergency Medicine) Physician providers in Michigan
There are 361 emergency medical services (emergency medicine) physician records in Michigan.
All 361 in Michigan → Every provider in Ann Arbor → Emergency Medical Services (Emergency Medicine) Physician nationwide →
The 8 emergency medical services (emergency medicine) physician records with the nearest ZIP codes
- John McCabe, MDAnn Arbor, MI 481061205879368
- Mark Rosner, MDAnn Arbor, MI 481061902847270
- Greg Hodder, M.D.Ann Arbor, MI 481051497782098
- David Acus, D.O.Ann Arbor, MI 481031811947823
- James GramzaBrighton, MI 481141659249431
- Neal Little, M.D.Chelsea, MI 481181346278371
- Patrick Munson, MDChelsea, MI 481181952358244
- Barry Nemon, MDChelsea, MI 481181427091909
Common questions
What is Margaret E. Gillis, MD's NPI number?
Margaret E. Gillis, MD's National Provider Identifier (NPI) is 1477590123, issued on Jun 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Margaret E. Gillis, MD located?
The NPPES record lists a practice address at 5301 E Huron River Dr, Ann Arbor, MI, 48106. Phone: (734) 712-3962. Providers update this record themselves, so call before visiting.
How can I verify Margaret E. Gillis, MD's license?
NPPES lists Michigan license number 079617, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Margaret E. Gillis, MD prescribe under Medicare Part D?
In 2024, Margaret E. Gillis, MD had 111 Medicare Part D claims for 84 beneficiaries; the average among emergency medical services (emergency medicine) physician prescribers was 292. 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.