John Alexander Hopper, MD
Internal Medicine Physician · Ypsilanti, MI
John Alexander Hopper, MD is an internal medicine physician with a practice address in Ypsilanti, Michigan, and NPI 1184680977, issued on Apr 21, 2006. Check the license (Michigan 4301064834, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- John Alexander Hopper
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 4301064834 MI
Self-reported in NPPES; status is on the state search - Practice location
- 5333 Mcauley Dr, Ypsilanti, MI 48197
- Phone
- (734) 712-3980
- Enumerated
- Apr 21, 2006
- Record last updated
- Feb 25, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20040921000527); accepts Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 1989
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,735 in Michigan → Look up another NPI →
Also registered at 5333 Mcauley Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John Alexander Hopper in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301064834Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average internal medicine physician in 2024
11 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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
- Iha Health Services CorporationPontiac, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Alexander Hopper among 5,735 internal medicine physician records in Michigan
John Alexander Hopper, MD is one of 5,735 internal medicine physician records with a practice address in Michigan. 79% 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 10% of them.
- NPI issued2006 · 10% of these records are older, 60% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1989 · median 2006 among the 3,564 with a school on file
- Record last updated2016 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
198 internal medicine physician records list a practice address in Ypsilanti
They are 198 of the 3,625 NPPES records with a practice address in Ypsilanti, and 5,735 internal medicine physician records in Michigan.
All 5,735 in Michigan → Every provider in Ypsilanti → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Sabah Al-Attar, M.DYpsilanti, MI 481971285697821
- Imad Ayyar, M.D.Ypsilanti, MI 481971073515268
- Daniel Cahill, M.D.Ypsilanti, MI 481971801897376
- Jack Carman, M.D.Ypsilanti, MI 481971285635474
- Eugene Liu, M.D.Ypsilanti, MI 481971770584930
- Shyam Mahesh, M.D.Ypsilanti, MI 481971962407569
- Marc Mastropaolo, DOYpsilanti, MI 481971982667002
- Alvin McCormick, MDYpsilanti, MI 481971578534939
Common questions
What is John Alexander Hopper, MD's NPI number?
John Alexander Hopper, MD's National Provider Identifier (NPI) is 1184680977, issued on Apr 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Alexander Hopper, MD located?
The NPPES record lists a practice address at 5333 Mcauley Dr, Ypsilanti, MI, 48197. Phone: (734) 712-3980. Providers update this record themselves, so call before visiting.
How can I verify John Alexander Hopper, MD's license?
NPPES lists Michigan license number 4301064834, 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 John Alexander Hopper, MD prescribe under Medicare Part D?
In 2024, John Alexander Hopper, MD had 11 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. 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.