ACM COLON AND RECTAL ASSOCIATES PLLC
NPI 1841545720
Colon & Rectal Surgery in San Antonio, TX
About Acm Colon And Rectal Associates Pllc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ACM COLON AND RECTAL ASSOCIATES PLLC (NPI 1841545720), doing business as San Antonio Colon And Rectal Clinic, is a healthcare organization registered as a colon & rectal surgery in San Antonio, Texas and active in the NPI registry since July 2012. The organization lists Mario Alberto Alcantara, Surgeon, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Acm Colon And Rectal Associates Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
5Medicare enrollment records show 5 clinicians reassign Medicare billing to Acm Colon And Rectal Associates PLLC, which bills Medicare for the services they deliver. Of these, 1 practice at this address. They are listed nearest first.
Clinicians, nearest first (5)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Acm Colon And Rectal Associates PLLC's NPI number?
The NPI number for Acm Colon And Rectal Associates PLLC is 1841545720. It was assigned to this organization in the NPPES registry on July 17, 2012. The provider is doing business as San Antonio Colon And Rectal Clinic.
Where is Acm Colon And Rectal Associates PLLC located?
Acm Colon And Rectal Associates PLLC is located at 225 E Sonterra Blvd Ste 215, San Antonio, TX 78258. The listed phone number is (210) 314-7872.
What is Acm Colon And Rectal Associates PLLC's specialty?
The primary specialty registered for this NPI is Colon & Rectal Surgery with taxonomy code 208C00000X.
Is Acm Colon And Rectal Associates PLLC enrolled in Medicare?
Yes. Acm Colon And Rectal Associates PLLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Acm Colon And Rectal Associates PLLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 5 clinicians in 2 Medicare specialties reassign their Medicare billing to Acm Colon And Rectal Associates PLLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Colorectal Surgery (Proctology) (4) and General Surgery (1). Of these, 1 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Acm Colon And Rectal Associates PLLC accept?
Health plans from WellPoint list Acm Colon And Rectal Associates PLLC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Acm Colon And Rectal Associates PLLC was last updated on July 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Acm Colon And Rectal Associates Pllc · NPI 1841545720
Colon & Rectal Surgery organization in San Antonio, Texas. Organization record, active in the CMS NPPES registry since July 17, 2012.
## Identity
- **NPI:** 1841545720 (Entity type: Organization)
- **Enumerated:** July 17, 2012
- **Primary specialty:** Colon & Rectal Surgery · taxonomy 208C00000X
- **Also known as:** SAN ANTONIO COLON AND RECTAL CLINIC (Doing Business As)
- **Organization subpart:** No
- **Authorized official:** Mario Alcantara, SURGEON
## Practice location
- **Address:** 225 E SONTERRA BLVD STE 215, San Antonio, TX 78258-3886
- **Phone:** (210) 314-7872 · **Fax:** (210) 314-7963
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 5 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Colorectal Surgery (Proctology) (4), General Surgery (1); 1 practice at this address · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 8, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1841545720) · Data from the CMS NPPES public registry.