LONE STAR CIRCLE OF CARE
NPI 1679351555
Clinic/Center - Federally Qualified Health Center (FQHC) in Austin, TX
About Lone Star Circle Of Care NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LONE STAR CIRCLE OF CARE (NPI 1679351555), doing business as Lone Star Circle Of Care Adult Medicine At St. John, is a healthcare organization registered as a federally qualified health center (fqhc) in Austin, Texas and active in the NPI registry since September 2023. The organization maintains a secondary practice location in Austin and lists Jonathan David Calvin, Ceo, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 2
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Lone Star Circle Of Care is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
160Medicare enrollment records show 160 clinicians reassign Medicare billing to Lone Star Circle Of Care, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 29 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 13
Nearest to this location (20)
See all 160Source: 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 Lone Star Circle Of Care's NPI number?
The NPI number for Lone Star Circle Of Care is 1679351555. It was assigned to this organization in the NPPES registry on September 20, 2023. The provider is doing business as Lone Star Circle of Care Adult Medicine at St. John and Lone Star Circle of Care Pediatrics at St. John.
Where is Lone Star Circle Of Care located?
Lone Star Circle Of Care is located at 6937 N Interstate 35 Ste Lonestar2, Austin, TX 78752. The listed phone number is (877) 800-5722.
What is Lone Star Circle Of Care's specialty?
The primary specialty registered for this NPI is Clinic/Center, specializing in Federally Qualified Health Center (FQHC), with taxonomy code 261QF0400X.
Is Lone Star Circle Of Care enrolled in Medicare?
Yes. Lone Star Circle Of Care is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Lone Star Circle Of Care?
According to the CMS Revalidation Reassignment List (October 2026 release), 160 clinicians in 13 Medicare specialties reassign their Medicare billing to Lone Star Circle Of Care. 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 Nurse Practitioner (36), Obstetrics/Gynecology (26) and Pediatric Medicine (26). Of these, 1 practice at this address and 29 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Lone Star Circle Of Care 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 2 other insurers list Lone Star Circle Of Care 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.
When was this NPI record last updated?
The NPPES record for Lone Star Circle Of Care was last updated on January 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Lone Star Circle Of Care · NPI 1679351555
Federally Qualified Health Center (FQHC) organization in Austin, Texas. Organization record, active in the CMS NPPES registry since September 20, 2023.
## Identity
- **NPI:** 1679351555 (Entity type: Organization)
- **Enumerated:** September 20, 2023
- **Primary specialty:** Clinic/Center - Federally Qualified Health Center (FQHC) · taxonomy 261QF0400X
- **Also known as:** Lone Star Circle of Care Adult Medicine at St. John (Doing Business As); Lone Star Circle of Care Pediatrics at St. John (Doing Business As)
- **Organization subpart:** Yes (part of Lone Star Circle Of Care)
- **Authorized official:** Jonathan Calvin, CEO
## Practice location
- **Address:** 6937 N INTERSTATE 35, STE LONESTAR2, Austin, TX 78752-3295
- **Phone:** (877) 800-5722
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 160 clinicians in 13 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (36), Obstetrics/Gynecology (26), Pediatric Medicine (26); 1 practice at this address and 29 within 10 miles; [full list](https://npiprofile.com/npi/1679351555/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 14, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1679351555) · Data from the CMS NPPES public registry.