Matthew Macias, MD
Emergency Medicine Physician · Ann Arbor, MI
Matthew Macias, MD is an emergency medicine physician with a practice address in Ann Arbor, Michigan, and NPI 1992158422, issued on Jul 20, 2016. Check the license (Michigan 4301110398, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Matthew Macias
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 4301110398 MI
4301500456 TN
Self-reported in NPPES; status is on the state search - Practice location
- 1500 E. Medical Center Dr., Ann Arbor, MI 48109
- Phone
- (734) 763-7919
- Enumerated
- Jul 20, 2016
- Record last updated
- Jan 17, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20220411000082); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,083 in Michigan → Look up another NPI →
Also registered at 1500 E. Medical Center Dr.
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Fatima Adem, MBBSStudent in an Organized Health Care Education/Training Program1740024876
- Arya Akhavan, M.D.Student in an Organized Health Care Education/Training Program1902252265
- Rehab Baasher, M.D.Pediatrics Physician1093832750
- Michelle Basilious, MDAnesthesiology Physician1932725405
- Jeanette Brown, MDPulmonary Disease Physician1326276296
- Dakota Burke, MDStudent in an Organized Health Care Education/Training Program1275373631
Verify Matthew Macias in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301110398Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% more Medicare Part D claims than the average emergency medicine physician in 2024
380 Medicare Part D claims for 281 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 31 claims were for opioids.
Most prescribed
- Cephalexin45 claims
- Cyclobenzaprine Hcl36 claims
- Ondansetron Odt28 claims
- Prednisone23 claims
- Oxycodone Hcl20 claims
- Amoxicillin-Clavulanate Potass17 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.
Bills Medicare through one group practice
- Cep America LLCRichmond, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Matthew Macias among 3,083 emergency medicine physician records in Michigan
Matthew Macias, MD is one of 3,083 emergency medicine physician records with a practice address in Michigan. 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 2016, is newer than 62% of them.
- NPI issued2016 · 62% of these records are older, 34% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2016 · median 2013 among the 1,931 with a school on file
- Record last updated2020 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
236 emergency medicine physician records list a practice address in Ann Arbor
They are 236 of the 15,616 NPPES records with a practice address in Ann Arbor, and 3,083 emergency medicine physician records in Michigan.
All 3,083 in Michigan → Every provider in Ann Arbor → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Ginette Busschots, MDAnn Arbor, MI 481091821028838
- Susanne Demeester, MDAnn Arbor, MI 481091316980196
- Jeffrey Freeman, MDAnn Arbor, MI 481091881624898
- Kyle Gunnerson, MDAnn Arbor, MI 481091447361456
- Andrew Hashikawa, M.D.Ann Arbor, MI 481091528046810
- Shaun Huang, MDAnn Arbor, MI 481091669415360
- William Meurer, MDAnn Arbor, MI 481091942234042
- Robert Neumar, MDAnn Arbor, MI 481091023058013
Common questions
What is Matthew Macias, MD's NPI number?
Matthew Macias, MD's National Provider Identifier (NPI) is 1992158422, issued on Jul 20, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Macias, MD located?
The NPPES record lists a practice address at 1500 E. Medical Center Dr., Ann Arbor, MI, 48109. Phone: (734) 763-7919. Providers update this record themselves, so call before visiting.
How can I verify Matthew Macias, MD's license?
NPPES lists Michigan license number 4301110398, 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 Matthew Macias, MD prescribe under Medicare Part D?
In 2024, Matthew Macias, MD had 380 Medicare Part D claims for 281 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.