Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Casia Elizabeth Horseman, MD

Individual provider Addiction Medicine (Psychiatry & Neurology) Physician · NPI 1669512877

Casia Elizabeth Horseman, MD practises Psychiatry in Columbus, Ohio. Graduated from Ohio State University College of Medicine in 2004, 22 years ago. Practices with Osu Psychiatry LLC, a 134-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Ohio.

Years since qualifying
22
Trained at
Ohio State University College of Medicine
Licensed in
OH
In the registry since
2007
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

1800 Zollinger Rd
Columbus, OH 43221-2849
Phone: (614) 293-9600
Fax: (614) 366-1215
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 35.121228 (OH)
Addiction Medicine (Psychiatry & Neurology) Physician Taxonomy 2084A0401X · Licence 35121228 (OH)

Record details

NPI number1669512877
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 7, 2007
Last updated in NPPESApril 30, 2026
Certification dateApril 30, 2026

Medicare enrollment

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

Medicare specialtyPSYCHIATRY
Also practisesADDICTION MEDICINE
Medical schoolOHIO STATE UNIVERSITY COLLEGE OF MEDICINE
Graduated 2004 (22 years in practice)
Group practice Osu Psychiatry Llc — 134 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients46
Services billed 97 a service is one billed item, such as a visit, a test or a procedure
Average patient age62

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Osu Psychiatry LLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 134 clinicians in the practice; 12 are shown here.

Other providers in Columbus