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CALLISTA SURGERY CENTER, LLC
NPI 1144090390
Clinic/Center - Ambulatory Surgical in Walnut Creek, CA

Active since January 08, 2024CLIA 05D2305026 · Waiver
355 LENNON LN STE 275, WALNUT CREEK, CA 94598(925) 357-9050 Get Directions Write a Review

NPPES record last updated: January 8, 2024. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Callista Surgery Center, Llc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CALLISTA SURGERY CENTER, LLC (NPI 1144090390) is a healthcare organization registered as an ambulatory surgical in Walnut Creek, California and active in the NPI registry since January 2024. The organization holds a CLIA Waiver certificate valid through May 21, 2028 and lists Rahul Seth, Medical Director, as its authorized official.

NPPES Registry Identity

NPI1144090390
Entity TypeOrganization
Primary Taxonomy261QA1903X
Legal Business NameCALLISTA SURGERY CENTER, LLC
Location Address355 LENNON LN STE 275Walnut Creek, CA 94598-2475
Mailing Address370 N Wiget Ln Ste 250Walnut Creek, CA 94598-2454 · (925) 357-9050
Phone(925) 357-9050
Organization SubpartNo
Authorized OfficialRahul SethMedical Director · (925) 357-9050
Enumeration DateJanuary 8, 2024
NPPES CertifiedJanuary 8, 2024
✔ NPI 1144090390 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Ambulatory SurgicalAmbulatory Health Care Facilities
Taxonomy Code261QA1903X
355 LENNON LN STE 275, Walnut Creek, CA 94598
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CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D2305026

Callista Surgery Center, LLC · Walnut Creek, CA
Active · expires May 21, 2028
CLIA Number05D2305026
Laboratory TypeAmbulatory Surgery Center
Certificate Effective DateMay 22, 2026
Certificate Expiration DateMay 21, 2028
Laboratory DirectorRahul Seth
Laboratory Phone(925) 357-9050
Laboratory LocationCallista Surgery Center, LLC355 Lennon Ln, Ste 275, Walnut Creek, CA 94598
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Callista Surgery Center, LLC's NPI number?

The NPI number for Callista Surgery Center, LLC is 1144090390. It was assigned to this organization in the NPPES registry on January 8, 2024.

Where is Callista Surgery Center, LLC located?

Callista Surgery Center, LLC is located at 355 Lennon Ln Ste 275, Walnut Creek, CA 94598. The listed phone number is (925) 357-9050.

What is Callista Surgery Center, LLC's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Ambulatory Surgical, with taxonomy code 261QA1903X.

Does Callista Surgery Center, LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D2305026) is associated with this NPI, valid through May 21, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Callista Surgery Center, LLC was last updated on January 8, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.