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

Dr. Colin Michael Ridenour, MD

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1457888430

Dr. Colin Michael Ridenour, MD is an Ophthalmology in Warsaw, Indiana. Graduated from Indiana University School of Medicine in 2017, 9 years ago. Practices with Grossnickle Eye Center Inc, a 12-clinician group and accepts Medicare assignment. Licensed in Indiana.

Years since qualifying
9
Trained at
Indiana University School of Medicine
Licensed in
IN
In the registry since
2017
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

2251 Dubois Dr
Warsaw, IN 46580-3212
Phone: (574) 269-2777
Fax: (574) 269-9828
Show map & directions

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

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence 01085874A (IN)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X · Licence 11019222A (IN)

Record details

NPI number1457888430
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 22, 2017
Last updated in NPPESNovember 9, 2021
Certification dateJuly 27, 2021

Medicare enrollment

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

Medicare specialtyOPHTHALMOLOGY
Medical schoolINDIANA UNIVERSITY SCHOOL OF MEDICINE
Graduated 2017 (9 years in practice)
Group practice Grossnickle Eye Center Inc — 12 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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