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

Dr. Gregory Chediak, MD

Individual provider Internal Medicine Physician · NPI 1902865769

Dr. Gregory Chediak, MD is a Hospitalist in Topeka, Kansas. Graduated from University of Oklahoma College of Medicine in 1989, 37 years ago. Practices with Cotton-O'Neil Clinic Revocable Trust, a 658-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Kansas.

Years since qualifying
37
Trained at
University of Oklahoma College of Medicine
Licensed in
KS
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

1500 SW 10th Ave
Topeka, KS 66604-1301
Phone: (785) 354-5242
Show map & directions

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

Additional practice locations (1)

  • 1102 Saint Marys Rd, Junction City, KS 66441-4139 — (785) 238-0325

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 04-26872 (KS)
Internal Medicine Physician Taxonomy 207R00000X · Licence 04-26872 (KS)

Record details

NPI number1902865769
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 21, 2006
Last updated in NPPESOctober 3, 2025
Certification dateOctober 3, 2025
Mailing address1500 Sw 10th Ave, Topeka, KS 66604-1301

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Medical schoolUNIVERSITY OF OKLAHOMA COLLEGE OF MEDICINE
Graduated 1989 (37 years in practice)
Group practice Cotton-O'Neil Clinic Revocable Trust — 658 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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