DR. CHRISTOPHER RYAN OXNER MD
NPI 1801086129
Surgery in Austin, TX
About Dr. Christopher Ryan Oxner Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CHRISTOPHER RYAN OXNER MD (NPI 1801086129) is an individual surgery provider in Austin, Texas, licensed in Texas (S6472) and active in the NPI registry since August 2007. He is enrolled in Medicare PECOS, is affiliated with St David's Medical Center, and is a graduate of University Of Texas Medical School At Houston (2003).
NPPES Registry Identity
Specialties & Licenses 3
Other Identifiers 1
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
Dr. Christopher Ryan Oxner 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 Reassignment
Medicare enrollment records show Christopher Oxner reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Austin, TX 78745
- Reassigned Medicare billing, Texas enrollment
- 1,054 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 10
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St David's Medical Center
Acute Care Hospitals · Austin, TXSt David's South Austin Medical Center
Acute Care Hospitals · Austin, TXNorth Austin Medical Center
Acute Care Hospitals · Austin, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 78731 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.
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 Christopher Oxner's NPI number?
The NPI number for Christopher Oxner is 1801086129. It was assigned to this individual provider in the NPPES registry on August 1, 2007.
Where is Christopher Oxner located?
Christopher Oxner practices at 6204 Balcones Dr, Austin, TX 78731. The listed phone number is (512) 421-4250.
What is Christopher Oxner's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Christopher Oxner enrolled in Medicare?
Yes. Christopher Oxner 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 organization bills Medicare for Christopher Oxner's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christopher Oxner reassigns Medicare benefits to Texas Oncology PA (Austin, TX). The 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 Christopher Oxner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Christopher Oxner accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 10 other insurers list Christopher Oxner 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 Christopher Oxner affiliated with any hospitals?
According to CMS data, Christopher Oxner is affiliated with St David's Medical Center, St David's South Austin Medical Center and North Austin Medical Center.
When was this NPI record last updated?
The NPPES record for Christopher Oxner was last updated on June 15, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Dr. Christopher Ryan Oxner, MD · NPI 1801086129
Surgery physician in Austin, Texas. Individual provider, active in the CMS NPPES registry since August 1, 2007.
## Identity
- **NPI:** 1801086129 (Entity type: Individual)
- **Enumerated:** August 1, 2007
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** S6472 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 6204 BALCONES DR, Austin, TX 78731-4214
- **Phone:** (512) 421-4250 · **Fax:** (512) 822-7640
## 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:** Texas Oncology PA (NPI 1972770303, Austin, TX), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Texas Medical School At Houston, class of 2003
## Record status
- **NPPES last updated:** June 15, 2022
- **Other identifiers:** Medicaid 1058491 (LA)
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Source: [NPI Profile](https://npiprofile.com/npi/1801086129) · Data from the CMS NPPES public registry.