Gcsa Ambulatory Surgery Center, LLC
NPI 1275870537 · Ambulatory Surgical Clinic/Center · San Antonio, TX
Enrolled with Medicare as Part B Supplier - Ambulatory Surgical Center · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gcsa Ambulatory Surgery Center, LLC is a Ambulatory Surgical Clinic/Center organization in San Antonio, TX (NPI 1275870537).
Provider details
- NPI number
- 1275870537
- Entity type
- Organization
- Primary specialty
- Ambulatory Surgical Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Peter Blach, Officer / Authorized Official(713) 343-0832
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
13 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
4,085 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 | 1,155 | $550 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 1,024 | $312 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 363 | $448 |
| Colorectal Cancer Screening; Colonoscopy on Individual at High RiskG0105 | 357 | $425 |
| Colorectal Cancer Screening; Colonoscopy on Individual Not Meeting Criteria for High RiskG0121 | 312 | $428 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-01-07
- Last updated
- 2024-10-07
- Certified
- 2024-10-07
Frequently asked questions
- What is Gcsa Ambulatory Surgery Center, LLC's NPI number?
- Gcsa Ambulatory Surgery Center, LLC's National Provider Identifier (NPI) is 1275870537, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Gcsa Ambulatory Surgery Center, LLC?
- Gcsa Ambulatory Surgery Center, LLC is classified in the NPPES registry as Ambulatory Surgical Clinic/Center (Ambulatory Health Care Facilities).
- Where is Gcsa Ambulatory Surgery Center, LLC located?
- Gcsa Ambulatory Surgery Center, LLC's practice location on file with NPPES is 5223 Hamilton Wolfe, San Antonio, TX 78229.
- What is Gcsa Ambulatory Surgery Center, LLC's phone number?
- The practice phone number listed in the NPPES registry for Gcsa Ambulatory Surgery Center, LLC is (210) 614-1234.
- Does Gcsa Ambulatory Surgery Center, LLC accept Medicare?
- Gcsa Ambulatory 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 Gcsa Ambulatory Surgery Center, LLC?
- The authorized official listed on Gcsa Ambulatory Surgery Center, LLC's NPPES record is Peter Blach, Officer / Authorized Official. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Gcsa Ambulatory Surgery Center, LLC's NPI active?
- Yes — Gcsa Ambulatory Surgery Center, LLC's NPI (1275870537) is active in the NPPES registry as of the last update on 2024-10-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.