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

Katherine Williamson, DO

Individual provider Obstetrics & Gynecology Physician · NPI 1134530546

Katherine Williamson, DO is an Obstetrics/Gynecology in Cincinnati, Ohio. Qualified in 2014, 12 years ago. Practices with Mercy Health Physicians Cincinnati Specialty Care LLC, a 344-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Ohio.

Years since qualifying
12
Licensed in
OH
In the registry since
2014
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

796 Old State Route 74
Cincinnati, OH 45245-1262
Phone: (513) 564-2700
Fax: (513) 297-4469
Show map & directions

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

Additional practice locations (1)

  • 525 Alexandria Pike Ste 2300, Southgate, KY 41071-3290 — (513) 564-2700

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence 35C.003185 (OH)

Record details

NPI number1134530546
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 20, 2014
Last updated in NPPESJanuary 8, 2026
Certification dateJanuary 8, 2026
Mailing address796 Old State Route 74 Ste 200, Cincinnati, OH 45245-1262

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolOTHER
Graduated 2014 (12 years in practice)
Group practice Mercy Health Physicians Cincinnati Specialty Care Llc — 344 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

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