SEBASTIAN PHYSICIAN SERVICES, PLLC
NPI 1255110110
Hospitalist in Fort Smith, AR
About Sebastian Physician Services, Pllc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SEBASTIAN PHYSICIAN SERVICES, PLLC (NPI 1255110110) is a healthcare organization registered as a hospitalist in Fort Smith, Arkansas and active in the NPI registry since September 2023. The organization lists David Schillinger, Owner/president, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 3
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Sebastian Physician Services, Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
78Medicare enrollment records show 78 clinicians reassign Medicare billing to Sebastian Physician Services, PLLC, which bills Medicare for the services they deliver. Of these, 7 practice at this address and 24 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 4
Nearest to this location (20)
See all 78Fort Smith, AR 72901
Fort Smith, AR 72903
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Sebastian Physician Services, PLLC's NPI number?
The NPI number for Sebastian Physician Services, PLLC is 1255110110. It was assigned to this organization in the NPPES registry on September 28, 2023.
Where is Sebastian Physician Services, PLLC located?
Sebastian Physician Services, PLLC is located at 1001 Towson Ave, Fort Smith, AR 72901. The listed phone number is (479) 441-4000.
What is Sebastian Physician Services, PLLC's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Sebastian Physician Services, PLLC enrolled in Medicare?
Yes. Sebastian Physician Services, PLLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Sebastian Physician Services, PLLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 78 clinicians in 4 Medicare specialties reassign their Medicare billing to Sebastian Physician Services, PLLC. A 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 the clinician's services. The largest specialties are Internal Medicine (34), Family Practice (22) and Nurse Practitioner (20). Of these, 7 practice at this address and 24 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Sebastian Physician Services, PLLC was last updated on September 28, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Sebastian Physician Services, Pllc · NPI 1255110110
Hospitalist organization in Fort Smith, Arkansas. Organization record, active in the CMS NPPES registry since September 28, 2023.
## Identity
- **NPI:** 1255110110 (Entity type: Organization)
- **Enumerated:** September 28, 2023
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **Organization subpart:** No
- **Authorized official:** David Schillinger, OWNER/PRESIDENT
## Practice location
- **Address:** 1001 TOWSON AVE, Fort Smith, AR 72901-4921
- **Phone:** (479) 441-4000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 78 clinicians in 4 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Internal Medicine (34), Family Practice (22), Nurse Practitioner (20); 7 practice at this address and 24 within 10 miles; [full list](https://npiprofile.com/npi/1255110110/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 28, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1255110110) · Data from the CMS NPPES public registry.