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

James R Baker Jr., MD

Individual provider Internal Medicine Physician · NPI 1063501989

James R Baker Jr., MD is an Allergy/Immunology in Ann Arbor, Michigan. Graduated from Loyola University of Chicago, Stritch School of Medicine in 1978, 48 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
48
Trained at
Loyola University of Chicago, Stritch School of Medicine
Licensed in
MI
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

24 Frank Lloyd Wright Dr Ste H-2100
Ann Arbor, MI 48105-9484
Phone: (734) 647-5940
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Allergy & Immunology (Internal Medicine) Physician (primary) Taxonomy 207RA0201X · Licence 4301054776 (MI)
Internal Medicine Physician Taxonomy 207R00000X · Licence 4301054776 (MI)

Record details

NPI number1063501989
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 11, 2006
Last updated in NPPESSeptember 10, 2020
Certification dateSeptember 10, 2020

Medicare enrollment

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

Medicare specialtyALLERGY/IMMUNOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolLOYOLA UNIVERSITY OF CHICAGO, STRITCH SCHOOL OF MEDICINE
Graduated 1978 (48 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

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