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

Bonnie William Thomas Jr., MD

Individual provider Internal Medicine Physician · NPI 1851321467

Bonnie William Thomas Jr., MD is an Internal Medicine in Chicago, Illinois. Graduated from Illinois Medical College in 1997, 29 years ago. Practices with Howard Brown Health Center, a 55-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
29
Trained at
Illinois Medical College
Licensed in
IL
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.

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Practice location Address checks out

1525 E 55th St
Chicago, IL 60615-5512
Phone: (773) 548-3957
Fax: (773) 753-5590
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 1276 N Clybourn Ave, Chicago, IL 60610-2089 — (312) 337-1073
  • 1901 W Harrison St, Chicago, IL 60612-3714 — (312) 864-6000

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 036101029 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 036102029 (IL)

Record details

NPI number1851321467
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 3, 2006
Last updated in NPPESJanuary 6, 2022
Certification dateJanuary 6, 2022

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolILLINOIS MEDICAL COLLEGE
Graduated 1997 (29 years in practice)
Group practice Howard Brown Health Center — 55 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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