CASIA ELIZABETH HORSEMAN MD
NPI 1669512877
Psychiatry & Neurology - Psychiatry in Columbus, OH
About Casia Elizabeth Horseman Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CASIA ELIZABETH HORSEMAN MD (NPI 1669512877) is an individual psychiatry provider in Columbus, Ohio, licensed in Ohio (35.121228) and active in the NPI registry since February 2007. She is enrolled in Medicare PECOS, is affiliated with Ohio State University State Health System, and is a graduate of Ohio State University College Of Medicine (2004).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Casia Elizabeth Horseman Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Casia Horseman reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Columbus, OH 43210
- Reassigned Medicare billing, Ohio enrollment
- 177 clinicians in this Medicare group
Columbus, OH 43210
- Reassigned Medicare billing, Ohio enrollment
- 551 clinicians in this Medicare group
Columbus, OH 43203
- Reassigned Medicare billing, Ohio enrollment
- 56 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ohio State University State Health System
Acute Care Hospitals · Columbus, OHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 43221 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
COLUMBUS, OH 43221
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Casia Horseman's NPI number?
The NPI number for Casia Horseman is 1669512877. It was assigned to this individual provider in the NPPES registry on February 7, 2007.
Where is Casia Horseman located?
Casia Horseman practices at 1800 Zollinger Rd, Columbus, OH 43221. The listed phone number is (614) 293-9600.
What is Casia Horseman's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Casia Horseman enrolled in Medicare?
Yes. Casia Horseman is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Casia Horseman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Casia Horseman reassigns Medicare benefits to 3 organizations: Osu Psychiatry, LLC (Columbus, OH), Osu Observation Medicine, LLC (Columbus, OH) and Ohio State University (Columbus, OH). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Casia Horseman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Casia Horseman accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and Antidote Health Plan of Ohio, Inc. and 4 other insurers list Casia Horseman as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Casia Horseman affiliated with any hospitals?
According to CMS data, Casia Horseman is affiliated with Ohio State University State Health System.
When was this NPI record last updated?
The NPPES record for Casia Horseman was last updated on April 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Casia Elizabeth Horseman, MD · NPI 1669512877
Psychiatry physician in Columbus, Ohio. Individual provider, active in the CMS NPPES registry since February 7, 2007.
## Identity
- **NPI:** 1669512877 (Entity type: Individual)
- **Enumerated:** February 7, 2007
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** 35.121228 (Ohio)
- **Sole proprietor:** No
## Practice location
- **Address:** 1800 ZOLLINGER RD, Columbus, OH 43221-2849
- **Phone:** (614) 293-9600 · **Fax:** (614) 366-1215
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Osu Psychiatry, LLC (NPI 1194773317, Columbus, OH); Osu Observation Medicine, LLC (NPI 1407095052, Columbus, OH); Ohio State University (NPI 1801854724, Columbus, OH) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Ohio State University College Of Medicine, class of 2004
## Record status
- **NPPES last updated:** April 30, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1669512877) · Data from the CMS NPPES public registry.