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

Katherine Jane Millen, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1578725669

Katherine Jane Millen, MD is an Obstetrics/Gynecology in Columbus, Ohio. Graduated from Toledo Medical College in 2008, 18 years ago. Practices with Ohiohealth Corporation, a 2,289-clinician group and accepts Medicare assignment. Licensed in Indiana and Ohio.

Years since qualifying
18
Trained at
Toledo Medical College
Licensed in
IN, OH
In the registry since
2008
Specialties on file
3
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

3535 Olentangy River Rd Fl 1
Columbus, OH 43214-3908
Phone: (614) 566-4378
Fax: (614) 566-6904
Show map & directions

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

Specialties & licences

Maternal & Fetal Medicine Physician (primary) Taxonomy 207VM0101X · Licence 35.098854 (OH)
Obstetrics & Gynecology Physician Taxonomy 207V00000X · Licence 01075807A (IN)
Maternal & Fetal Medicine Physician Taxonomy 207VM0101X · Licence 01075807A (IN)

Record details

NPI number1578725669
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 30, 2008
Last updated in NPPESJanuary 25, 2022

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolTOLEDO MEDICAL COLLEGE
Graduated 2008 (18 years in practice)
Group practice Ohiohealth Corporation — 2289 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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