Mason Ridge Ambulatory Surgery Center, Lp
NPI 1821133133 · Ambulatory Surgical Clinic/Center · Saint Louis, MO
Mason Ridge Ambulatory Surgery Center, Lp is a Ambulatory Surgical Clinic/Center organization in Saint Louis, MO (NPI 1821133133).
Provider details
- NPI number
- 1821133133
- Entity type
- Organization
- Primary specialty
- Ambulatory Surgical Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Katherine Reed, Officer, Authorized Official(972) 763-3859
- License
- 201-7 (MO)
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
19 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
Other names (DBA / former)
- Doing business as
- Mason Ridge Surgery Center
Registry dates
- Enumerated
- 2007-02-21
- Last updated
- 2014-08-26
Frequently asked questions
- What is Mason Ridge Ambulatory Surgery Center, Lp's NPI number?
- Mason Ridge Ambulatory Surgery Center, Lp's National Provider Identifier (NPI) is 1821133133, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mason Ridge Ambulatory Surgery Center, Lp?
- Mason Ridge Ambulatory Surgery Center, Lp is classified in the NPPES registry as Ambulatory Surgical Clinic/Center (Ambulatory Health Care Facilities).
- Where is Mason Ridge Ambulatory Surgery Center, Lp located?
- Mason Ridge Ambulatory Surgery Center, Lp's practice location on file with NPPES is 12855 N 40 Dr, Saint Louis, MO 63141-8657.
- What is Mason Ridge Ambulatory Surgery Center, Lp's phone number?
- The practice phone number listed in the NPPES registry for Mason Ridge Ambulatory Surgery Center, Lp is (314) 878-7150.
- Who is the authorized official for Mason Ridge Ambulatory Surgery Center, Lp?
- The authorized official listed on Mason Ridge Ambulatory Surgery Center, Lp's NPPES record is Katherine Reed, Officer, Authorized Official. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mason Ridge Ambulatory Surgery Center, Lp's NPI active?
- Yes — Mason Ridge Ambulatory Surgery Center, Lp's NPI (1821133133) is active in the NPPES registry as of the last update on 2014-08-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.