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

Thomas Barker, MD

Individual provider Internal Medicine Physician · NPI 1497448773

Thomas Barker, MD is an Internal Medicine in Lansing, Michigan. Graduated from Michigan State University College of Human Medicine in 2023, 3 years ago. Works from 2 locations. Licensed in Michigan.

Years since qualifying
3
Trained at
Michigan State University College of Human Medicine
Licensed in
MI
In the registry since
2023
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

2900 Collins Rd
Lansing, MI 48910-8394
Phone: (517) 975-6000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 3955 Patient Care Dr Ste A, Lansing, MI 48911-4271 — (517) 374-7600

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 4301517962 (MI)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X · Licence 4351051047 (MI)

Record details

NPI number1497448773
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 1, 2023
Last updated in NPPESJune 22, 2026
Certification dateJune 22, 2026
Mailing address3955 Patient Care Dr Ste A, Lansing, MI 48911-4271

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolMICHIGAN STATE UNIVERSITY COLLEGE OF HUMAN MEDICINE
Graduated 2023 (3 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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