NPI age
13 years
Enumerated 2013-02-06
● Active Type 2 · Organization
Lone Star Circle Of Care
Lone Star Circle Of Care is 1 of 894 clinic/center organizations in Texas.
Primary specialty
Clinic/Center
Practice locations
2
1 secondary on file
Status
Active
No deactivations on record
Authorized official
Calvin
Ceo
Last NPPES update
2025-05-13
Source: monthly bulk 2026-05
How this organization compares
Across 894 active clinic/center providers in Texas.
NPI age
13 years
↑ 3 yr above median
Practice locations
2
1 secondary on file
Subspecialties
0
NPI lifetime · 2013 → 2026
2013-02Enumerated in NPPES
2013
2026
Where they practice
Primary practice location
11111 Research Blvd Ste 295
Austin, TX 787595281
Mailing address
2423 Williams Dr Ste 107
Georgetown, TX 786283269
Additional practice locations
1 secondary location on file with NPPES.
Location 2
11111 Research Blvd Ste 320
Austin, TX 787595732
Authorized official
Jonathan David Calvin
Ceo
📞 5129941933
Individual providers at this organization
3 individual providers on file at this primary practice address.
- Leticia Diaz, M.D. Obstetrics & Gynecology NPI 1073969739
- Darlene Guzman, APRN, CPNP-PC Nurse Practitioner NPI 1942841648
- Rama Devi Siddipeta, M.D Pediatrics NPI 1376806810
Specialties
-
Clinic/Center PrimaryDefinition to come...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (TX) | 3123119-02 |
Other names on file (1)
Doing-business-as, former, and alternate names recorded by NPPES.
-
Lone Star Circle of Care at Northwest Austin
Practice context
Multi-provider organization. 3 individual providers on file at this primary address. Plus 1 secondary practice location.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Verify the organization is in good standing.Cross-check with the state's business registration and any applicable licensing boards.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.