Callista Surgery Center, LLC
NPI 1144090390 · Ambulatory Surgical Clinic/Center · Walnut Creek, CA
Enrolled with Medicare as Part B Supplier - Ambulatory Surgical Center · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Callista Surgery Center, LLC is a Ambulatory Surgical Clinic/Center organization in Walnut Creek, CA (NPI 1144090390).
Provider details
- NPI number
- 1144090390
- Entity type
- Organization
- Primary specialty
- Ambulatory Surgical Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Rahul Seth, Medical Director(925) 357-9050
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2024-01-08
- Last updated
- 2024-01-08
- Certified
- 2024-01-08
Frequently asked questions
- What is Callista Surgery Center, LLC's NPI number?
- Callista Surgery Center, LLC's National Provider Identifier (NPI) is 1144090390, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Callista Surgery Center, LLC?
- Callista Surgery Center, LLC is classified in the NPPES registry as Ambulatory Surgical Clinic/Center (Ambulatory Health Care Facilities).
- Where is Callista Surgery Center, LLC located?
- Callista Surgery Center, LLC's practice location on file with NPPES is 355 Lennon Ln Ste 275, Walnut Creek, CA 94598-2475.
- What is Callista Surgery Center, LLC's phone number?
- The practice phone number listed in the NPPES registry for Callista Surgery Center, LLC is (925) 357-9050.
- Does Callista Surgery Center, LLC accept Medicare?
- Callista Surgery Center, LLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Callista Surgery Center, LLC?
- The authorized official listed on Callista Surgery Center, LLC's NPPES record is Rahul Seth, Medical Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Callista Surgery Center, LLC's NPI active?
- Yes — Callista Surgery Center, LLC's NPI (1144090390) is active in the NPPES registry as of the last update on 2024-01-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.