Kristopher Macwilliams, MD
Emergency Medicine Physician · Detroit, MI
Kristopher Macwilliams, MD is an emergency medicine physician with a practice address in Detroit, Michigan, and NPI 1407029564, issued on Apr 10, 2008. Check the license (Michigan 4301088578, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Kristopher Macwilliams
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 4301088578 MI
Self-reported in NPPES; status is on the state search - Practice location
- 4201 Saint Antoine St, Detroit, MI 48201
- Phone
- (313) 745-3330
- Enumerated
- Apr 10, 2008
- Record last updated
- Apr 10, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20090708000044); accepts Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 2006
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,083 in Michigan → Look up another NPI →
Also registered at 4201 Saint Antoine St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Kristopher Macwilliams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301088578Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
41% fewer Medicare Part D claims than the average emergency medicine physician in 2024
134 Medicare Part D claims for 75 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Ondansetron Odt23 claims
- Sucralfate13 claims
- Methocarbamol11 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
- Independent Observation Physicians PLLCSouthfield, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kristopher Macwilliams among 3,083 emergency medicine physician records in Michigan
Kristopher Macwilliams, 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 2008, is newer than 33% of them.
- NPI issued2008 · 33% of these records are older, 62% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2006 · median 2013 among the 1,931 with a school on file
- Record last updated2008 · 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).
451 emergency medicine physician records list a practice address in Detroit
They are 451 of the 19,832 NPPES records with a practice address in Detroit, and 3,083 emergency medicine physician records in Michigan.
All 3,083 in Michigan → Every provider in Detroit → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Susan Corrion, M.D.Detroit, MI 482011982664728
- Alvan CruzDetroit, MI 482011114987187
- Alice Dea, M.D.Detroit, MI 482011073573366
- Matthew Hedge, M.D.Detroit, MI 482011972562171
- Jeffrey Janowicz, M.D.Detroit, MI 482011861451668
- Kerin Jones, M.D.Detroit, MI 482011750341954
- Christopher Kennedy, M.D.Detroit, MI 482011982665303
- Anthony Lagina, M.D.Detroit, MI 482011245209410
Common questions
What is Kristopher Macwilliams, MD's NPI number?
Kristopher Macwilliams, MD's National Provider Identifier (NPI) is 1407029564, issued on Apr 10, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Kristopher Macwilliams, MD located?
The NPPES record lists a practice address at 4201 Saint Antoine St, Detroit, MI, 48201. Phone: (313) 745-3330. Providers update this record themselves, so call before visiting.
How can I verify Kristopher Macwilliams, MD's license?
NPPES lists Michigan license number 4301088578, 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 Kristopher Macwilliams, MD prescribe under Medicare Part D?
In 2024, Kristopher Macwilliams, MD had 134 Medicare Part D claims for 75 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.