G & A MEDICAL GROUP CORP
NPI 1356658546
Clinic/Center - Health Service in Yauco, PR
About G & A Medical Group Corp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
G & A MEDICAL GROUP CORP (NPI 1356658546) is a healthcare organization registered as a health service in Yauco, Puerto Rico and active in the NPI registry since September 2010. The organization lists Gretchen Ortiz, Vp, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
G & A Medical Group Corp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
2Medicare enrollment records show 2 clinicians reassign Medicare billing to G & A Medical Group Corp, which bills Medicare for the services they deliver. They are listed nearest first.
Clinicians, nearest first (2)
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 G & A Medical Group Corp's NPI number?
The NPI number for G & A Medical Group Corp is 1356658546. It was assigned to this organization in the NPPES registry on September 9, 2010.
Where is G & A Medical Group Corp located?
G & A Medical Group Corp is located at 3 Calle Dr Gatel, Yauco, PR 00698. The listed phone number is (787) 856-4747.
What is G & A Medical Group Corp's specialty?
The primary specialty registered for this NPI is Clinic/Center, specializing in Health Service, with taxonomy code 261QH0100X.
Is G & A Medical Group Corp enrolled in Medicare?
Yes. G & A Medical Group Corp is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through G & A Medical Group Corp?
According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in General Practice, reassign their Medicare billing to G & A Medical Group Corp. 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for G & A Medical Group Corp was last updated on November 17, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years 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.
# G & A Medical Group Corp · NPI 1356658546
Health Service organization in Yauco, Puerto Rico. Organization record, active in the CMS NPPES registry since September 9, 2010.
## Identity
- **NPI:** 1356658546 (Entity type: Organization)
- **Enumerated:** September 9, 2010
- **Primary specialty:** Clinic/Center - Health Service · taxonomy 261QH0100X
- **Organization subpart:** No
- **Authorized official:** Gretchen Ortiz, VP
## Practice location
- **Address:** 3 CALLE DR GATEL, Yauco, PR 00698-4915
- **Phone:** (787) 856-4747 · **Fax:** (787) 836-7991
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 2 clinicians (General Practice) reassign Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 17, 2011
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Source: [NPI Profile](https://npiprofile.com/npi/1356658546) · Data from the CMS NPPES public registry.