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

Joanna Mattis, MD

Individual provider Neurology Physician · NPI 1245626449

Joanna Mattis, MD is an Epileptologists in Ann Arbor, Michigan. Graduated from Stanford University School of Medicine in 2015, 11 years ago. Practices with Regents of the University of Michigan, a 3,271-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Michigan and Pennsylvania.

Years since qualifying
11
Trained at
Stanford University School of Medicine
Licensed in
MI, PA
In the registry since
2015
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

Epilepsy Physician (primary) Taxonomy 2084E0001X · Licence 4301506606 (MI)
Neurology Physician Taxonomy 2084N0400X · Licence MD467512 (PA)
Neurology Physician Taxonomy 2084N0400X · Licence 4301506606 (MI)

Record details

NPI number1245626449
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 14, 2015
Last updated in NPPESDecember 30, 2024
Certification dateDecember 30, 2024

Medicare enrollment

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

Medicare specialtyEPILEPTOLOGISTS
Also practisesNEUROLOGY
Medical schoolSTANFORD UNIVERSITY SCHOOL OF MEDICINE
Graduated 2015 (11 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 locations6 on file with Medicare

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