NICHOLAS J ZARKADIS D.O.
NPI 1033558259
Orthopaedic Surgery in Columbia, MO
About Nicholas J Zarkadis D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NICHOLAS J ZARKADIS D.O. (NPI 1033558259) is an individual orthopaedic surgery provider in Columbia, Missouri, licensed in Missouri (2019016580) and active in the NPI registry since June 2013. He is enrolled in Medicare PECOS, is affiliated with St Lukes Hospital, and is a graduate of Other (2013).
NPPES Registry Identity
Specialties & Licenses
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
Nicholas J Zarkadis D.o. 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
2Medicare enrollment records show Nicholas Zarkadis reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Washington, MO 63090
- Reassigned Medicare billing, Missouri enrollment
- 168 clinicians in this Medicare group
Wentzville, MO 63385
- Reassigned Medicare billing, Missouri enrollment
- 22 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.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Lukes Hospital
Acute Care Hospitals · Chesterfield, MOBarnes-Jewish St Peters Hospital
Acute Care Hospitals · Saint Peters, MOProgress West Hospital
Acute Care Hospitals · O Fallon, MOMercy Hospital Lincoln
Critical Access Hospitals · Troy, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 65212 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
COLUMBIA, MO 65212
COLUMBIA, MO 65212
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 Nicholas Zarkadis's NPI number?
The NPI number for Nicholas Zarkadis is 1033558259. It was assigned to this individual provider in the NPPES registry on June 20, 2013.
Where is Nicholas Zarkadis located?
Nicholas Zarkadis practices at 1100 Virginia Ave, Columbia, MO 65212. The listed phone number is (573) 882-2663.
What is Nicholas Zarkadis's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is Nicholas Zarkadis enrolled in Medicare?
Yes. Nicholas Zarkadis 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 Nicholas Zarkadis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nicholas Zarkadis reassigns Medicare benefits to 2 organizations: Mercy Clinic Surgical Specialists, LLC (Washington, MO) and St Peters Bone & Joint Surgery Inc. (Wentzville, MO). 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 Nicholas Zarkadis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nicholas Zarkadis accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan and Ambetter of Oklahoma and 3 other insurers list Nicholas Zarkadis 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 Nicholas Zarkadis affiliated with any hospitals?
According to CMS data, Nicholas Zarkadis is affiliated with St Lukes Hospital, Barnes-Jewish St Peters Hospital, Progress West Hospital and Mercy Hospital Lincoln.
When was this NPI record last updated?
The NPPES record for Nicholas Zarkadis was last updated on July 11, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.
# Nicholas J Zarkadis, D.O. · NPI 1033558259
Orthopaedic Surgery physician in Columbia, Missouri. Individual provider, active in the CMS NPPES registry since June 20, 2013.
## Identity
- **NPI:** 1033558259 (Entity type: Individual)
- **Enumerated:** June 20, 2013
- **Primary specialty:** Orthopaedic Surgery · taxonomy 207X00000X
- **State license:** 2019016580 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 1100 VIRGINIA AVE, Columbia, MO 65212-0001
- **Phone:** (573) 882-2663 · **Fax:** (573) 882-1760
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Mercy Clinic Surgical Specialists, LLC (NPI 1043530538, Washington, MO); St Peters Bone & Joint Surgery Inc. (NPI 1538313424, Wentzville, MO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2013
## Record status
- **NPPES last updated:** July 11, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1033558259) · Data from the CMS NPPES public registry.