Mercy South Asc LLC
NPI 1255070116 · Ambulatory Surgical Clinic/Center · Saint Louis, MO
Enrolled with Medicare as Part B Supplier - Ambulatory Surgical Center · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mercy South Asc LLC is a Ambulatory Surgical Clinic/Center organization in Saint Louis, MO (NPI 1255070116).
Provider details
- NPI number
- 1255070116
- Entity type
- Organization
- Primary specialty
- Ambulatory Surgical Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Daniel Eckenfels, Vice President - Finance(314) 525-1483
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
4 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
290 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 67 | $563 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 38 | $393 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 38 | $1,110 |
| Incision of Tendon Covering of Finger26055 | 28 | $658 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 24 | $263 |
| Shock Wave Crushing of Kidney Stones |
Practice location
Mailing address
Other names (DBA / former)
- Doing business as
- Mercy Outpatient Surgery Center - West Bend
Registry dates
- Enumerated
- 2022-05-31
- Last updated
- 2022-08-25
- Certified
- 2022-08-25
Frequently asked questions
- What is Mercy South Asc LLC's NPI number?
- Mercy South Asc LLC's National Provider Identifier (NPI) is 1255070116, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mercy South Asc LLC?
- Mercy South Asc LLC is classified in the NPPES registry as Ambulatory Surgical Clinic/Center (Ambulatory Health Care Facilities).
- Where is Mercy South Asc LLC located?
- Mercy South Asc LLC's practice location on file with NPPES is 12345 W Bend Dr Ste 201, Saint Louis, MO 63128-2254.
- What is Mercy South Asc LLC's phone number?
- The practice phone number listed in the NPPES registry for Mercy South Asc LLC is (314) 543-6946.
- Does Mercy South Asc LLC accept Medicare?
- Mercy South Asc 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 Mercy South Asc LLC?
- The authorized official listed on Mercy South Asc LLC's NPPES record is Daniel Eckenfels, Vice President - Finance. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mercy South Asc LLC's NPI active?
- Yes — Mercy South Asc LLC's NPI (1255070116) is active in the NPPES registry as of the last update on 2022-08-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.