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

Jacob Andrew Mack, MD

Individual provider Hospitalist Physician · NPI 1992234462

Jacob Andrew Mack, MD is an Internal Medicine in Ann Arbor, Michigan. Graduated from University of Michigan Medical School in 2017, 9 years ago. Practices with Regents of the University of Michigan, a 3,271-clinician group and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
9
Trained at
University of Michigan Medical School
Licensed in
MI
In the registry since
2017
Specialties on file
2
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

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 4301502187 (MI)
Hospitalist Physician Taxonomy 208M00000X · Licence 4301502187 (MI)

Record details

NPI number1992234462
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 8, 2017
Last updated in NPPESAugust 7, 2025
Certification dateAugust 7, 2025
Mailing address3621 S State St, Ann Arbor, MI 48108-1633

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF MICHIGAN MEDICAL SCHOOL
Graduated 2017 (9 years in practice)
Group practice Regents Of The University Of Michigan — 3271 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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