NICHOLAS ROBERT O'SICK DO
NPI 1629568845
Surgery - Plastic and Reconstructive Surgery in Austin, TX
About Nicholas Robert O'sick Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NICHOLAS ROBERT O'SICK DO (NPI 1629568845) is an individual plastic and reconstructive surgery provider in Austin, Texas, licensed in Texas (V1573) and active in the NPI registry since May 2018. He is enrolled in Medicare PECOS, is affiliated with Ascension Seton Medical Center Austin, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 3
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 Robert O'sick Do 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 O'sick reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Austin, TX 78712
- Reassigned Medicare billing, Texas enrollment
- 1,188 clinicians in this Medicare group
Austin, TX 78723
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: Dell Childrens Medical Group
- 576 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.
Ascension Seton Medical Center Austin
Acute Care Hospitals · Austin, TXDell Seton Med Center At The University Of Tx
Acute Care Hospitals · Austin, TXAscension Seton Williamson
Acute Care Hospitals · Round Rock, TXAscension Seton Hays
Acute Care Hospitals · Kyle, TXOther Providers at the Same Location NPPES 2
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 Nicholas O'sick's NPI number?
The NPI number for Nicholas O'sick is 1629568845. It was assigned to this individual provider in the NPPES registry on May 14, 2018.
Where is Nicholas O'sick located?
Nicholas O'sick practices at 1601 Trinity St Ste 704-D, Austin, TX 78712. The listed phone number is (512) 324-8320.
What is Nicholas O'sick's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Plastic and Reconstructive Surgery, with taxonomy code 2086S0122X.
Is Nicholas O'sick enrolled in Medicare?
Yes. Nicholas O'sick 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 O'sick's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nicholas O'sick reassigns Medicare benefits to 2 organizations: Seton Family Of Doctors (Austin, TX) and Dell Children's Medical Group (Austin, TX). 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 O'sick's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nicholas O'sick accept?
Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 5 other insurers list Nicholas O'sick 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 O'sick affiliated with any hospitals?
According to CMS data, Nicholas O'sick is affiliated with Ascension Seton Medical Center Austin, Dell Seton Med Center At The University Of Tx, Ascension Seton Williamson and Ascension Seton Hays.
When was this NPI record last updated?
The NPPES record for Nicholas O'sick was last updated on August 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Nicholas Robert O'sick, DO · NPI 1629568845
Plastic and Reconstructive Surgery physician in Austin, Texas. Individual provider, active in the CMS NPPES registry since May 14, 2018.
## Identity
- **NPI:** 1629568845 (Entity type: Individual)
- **Enumerated:** May 14, 2018
- **Primary specialty:** Surgery - Plastic and Reconstructive Surgery · taxonomy 2086S0122X
- **State license:** V1573 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 1601 TRINITY ST STE 704-D, Austin, TX 78712-1765
- **Phone:** (512) 324-8320
## 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): Seton Family Of Doctors (NPI 1588997233, Austin, TX); Dell Children's Medical Group (NPI 1326072943, Austin, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** August 26, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1629568845) · Data from the CMS NPPES public registry.