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

Dr. John Travis Ludwig, MD

Individual provider Internal Medicine Physician · NPI 1215342449

Dr. John Travis Ludwig, MD is a Nephrology in Chicago, Illinois. Graduated from Pennsylvania State University College of Medicine in 2010, 16 years ago. Practices with Nephrology Associates of Northern Illinois Ltd, a 117-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Illinois and Michigan.

Years since qualifying
16
Trained at
Pennsylvania State University College of Medicine
Licensed in
IL, MI
In the registry since
2014
Specialties on file
5
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

5140 N California Ave Ste 600
Chicago, IL 60625-3664
Phone: (708) 252-5809
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1500 E Medical Center Dr, Ann Arbor, MI 48109 — (734) 764-3269

Specialties & licences

Nephrology Physician (primary) Taxonomy 207RN0300X · Licence 4301114038 (MI)
Internal Medicine Physician Taxonomy 207R00000X · Licence 125065890 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 4301114038 (MI)
Pediatrics Physician Taxonomy 208000000X · Licence 4301114038 (MI)
Pediatrics Physician Taxonomy 208000000X · Licence 125065890 (IL)

Record details

NPI number1215342449
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 26, 2014
Last updated in NPPESApril 12, 2022
Certification dateApril 12, 2022

Medicare enrollment

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

Medicare specialtyNEPHROLOGY
Medical schoolPENNSYLVANIA STATE UNIVERSITY COLLEGE OF MEDICINE
Graduated 2010 (16 years in practice)
Group practice Nephrology Associates Of Northern Illinois Ltd — 117 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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