Fremont Ambulatory Surgery Center, L.p.
NPI 1689905515 · Ambulatory Surgical Clinic/Center · Fremont, CA
Fremont Ambulatory Surgery Center, L.p. is a Ambulatory Surgical Clinic/Center organization in Fremont, CA (NPI 1689905515).
Provider details
- NPI number
- 1689905515
- Entity type
- Organization
- Primary specialty
- Ambulatory Surgical Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- John Mazoros, Managing Partner(510) 793-4987
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
16 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
- 2010-01-15
- Last updated
- 2022-07-21
Frequently asked questions
- What is Fremont Ambulatory Surgery Center, L.p.'s NPI number?
- Fremont Ambulatory Surgery Center, L.p.'s National Provider Identifier (NPI) is 1689905515, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Fremont Ambulatory Surgery Center, L.p.?
- Fremont Ambulatory Surgery Center, L.p. is classified in the NPPES registry as Ambulatory Surgical Clinic/Center (Ambulatory Health Care Facilities).
- Where is Fremont Ambulatory Surgery Center, L.p. located?
- Fremont Ambulatory Surgery Center, L.p.'s practice location on file with NPPES is 39350 Civic Center Dr, Fremont, CA 94538-2343.
- What is Fremont Ambulatory Surgery Center, L.p.'s phone number?
- The practice phone number listed in the NPPES registry for Fremont Ambulatory Surgery Center, L.p. is (510) 793-4987.
- Who is the authorized official for Fremont Ambulatory Surgery Center, L.p.?
- The authorized official listed on Fremont Ambulatory Surgery Center, L.p.'s NPPES record is John Mazoros, Managing Partner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Fremont Ambulatory Surgery Center, L.p.'s NPI active?
- Yes — Fremont Ambulatory Surgery Center, L.p.'s NPI (1689905515) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.