Walnut Creek Surgery Center LLC
NPI 1770061459 · Ambulatory Surgical Clinic/Center · Walnut Creek, CA
Walnut Creek Surgery Center LLC is a Ambulatory Surgical Clinic/Center organization in Walnut Creek, CA (NPI 1770061459).
Provider details
- NPI number
- 1770061459
- Entity type
- Organization
- Primary specialty
- Ambulatory Surgical Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Ray Rassai, MD-60998(925) 378-4949
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
7 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
- 2018-08-03
- Last updated
- 2019-06-06
Frequently asked questions
- What is Walnut Creek Surgery Center LLC's NPI number?
- Walnut Creek Surgery Center LLC's National Provider Identifier (NPI) is 1770061459, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Walnut Creek Surgery Center LLC?
- Walnut Creek Surgery Center LLC is classified in the NPPES registry as Ambulatory Surgical Clinic/Center (Ambulatory Health Care Facilities).
- Where is Walnut Creek Surgery Center LLC located?
- Walnut Creek Surgery Center LLC's practice location on file with NPPES is 460 N Wiget Ln Ste C, Walnut Creek, CA 94598-2408.
- What is Walnut Creek Surgery Center LLC's phone number?
- The practice phone number listed in the NPPES registry for Walnut Creek Surgery Center LLC is (925) 378-4949.
- Who is the authorized official for Walnut Creek Surgery Center LLC?
- The authorized official listed on Walnut Creek Surgery Center LLC's NPPES record is Ray Rassai, MD-60998. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Walnut Creek Surgery Center LLC's NPI active?
- Yes — Walnut Creek Surgery Center LLC's NPI (1770061459) is active in the NPPES registry as of the last update on 2019-06-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.