Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

John Martin Magenau IV, MD

Individual provider Internal Medicine Physician · NPI 1285833954

John Martin Magenau IV, MD is a Hematology in Ann Arbor, Michigan. Graduated from Temple University School of Medicine in 2004, 22 years ago. Practices with Regents of the University of Michigan, a 3,271-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Michigan.

Years since qualifying
22
Trained at
Temple University School of Medicine
Licensed in
MI
In the registry since
2007
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1500 E Medical Center Dr
Ann Arbor, MI 48109-5000
Phone: (734) 936-4000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology (Internal Medicine) Physician (primary) Taxonomy 207RH0000X · Licence 4301089502 (MI)
Internal Medicine Physician Taxonomy 207R00000X · Licence 4301089502 (MI)
Medical Oncology Physician Taxonomy 207RX0202X · Licence 4301089502 (MI)

Record details

NPI number1285833954
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 13, 2007
Last updated in NPPESNovember 23, 2020
Certification dateNovember 23, 2020

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyHEMATOLOGY
Also practisesINTERNAL MEDICINE, MEDICAL ONCOLOGY
Medical schoolTEMPLE UNIVERSITY SCHOOL OF MEDICINE
Graduated 2004 (22 years in practice)
Group practice Regents Of The University Of Michigan — 3271 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations13 on file with Medicare

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