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

Individual provider Internal Medicine Physician · NPI 1629087325

Dr. Nathan R. Walker, MD is an Internal Medicine in Champaign, Illinois. Graduated from University of Cincinnati College of Medicine in 2002, 24 years ago. Practices with Christie Clinic, PLLC, a 220-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Illinois.

Years since qualifying
24
Trained at
University of Cincinnati College of Medicine
Licensed in
IL
In the registry since
2006
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

1801 W Windsor Rd
Champaign, IL 61822-6217
Phone: (217) 366-2660
Fax: (217) 366-6106
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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 036-114466 (IL)

Record details

NPI number1629087325
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 5, 2006
Last updated in NPPESJanuary 5, 2022
Certification dateJanuary 5, 2022
Mailing address101 W University Ave, Champaign, IL 61820-3909

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF CINCINNATI COLLEGE OF MEDICINE
Graduated 2002 (24 years in practice)
Group practice Christie Clinic, Pllc — 220 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations7 on file with Medicare

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