WAYNE D GREEN, MD, PA
NPI 1457447328
Internal Medicine - Gastroenterology in Harlingen, TX
About Wayne D Green, Md, Pa NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WAYNE D GREEN, MD, PA (NPI 1457447328), doing business as Rio Gastroenterology, is a healthcare organization registered as a gastroenterology in Harlingen, Texas and active in the NPI registry since October 2006. The organization lists Wayne D Green, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Wayne D Green, Md, Pa 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 Wayne D Green, MD, PA, which bills Medicare for the services they deliver. Of these, 1 practice at this address. They are listed nearest first.
Clinicians, nearest first (2)
Harlingen, TX 78550
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 Wayne D Green, MD, PA's NPI number?
The NPI number for Wayne D Green, MD, PA is 1457447328. It was assigned to this organization in the NPPES registry on October 5, 2006. The provider is doing business as Rio Gastroenterology.
Where is Wayne D Green, MD, PA located?
Wayne D Green, MD, PA is located at 3101 South 77 Sunshine Strip Suite A, Harlingen, TX 78550. The listed phone number is (956) 423-1050.
What is Wayne D Green, MD, PA's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Wayne D Green, MD, PA enrolled in Medicare?
Yes. Wayne D Green, MD, PA is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Wayne D Green, MD, PA?
According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Wayne D Green, MD, PA, in Gastroenterology and Nurse Practitioner. 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. Of these, 1 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Wayne D Green, MD, PA was last updated on March 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Wayne D Green, Md, Pa · NPI 1457447328
Gastroenterology organization in Harlingen, Texas. Organization record, active in the CMS NPPES registry since October 5, 2006.
## Identity
- **NPI:** 1457447328 (Entity type: Organization)
- **Enumerated:** October 5, 2006
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **Also known as:** Rio Gastroenterology (Doing Business As)
- **Organization subpart:** No
- **Authorized official:** Wayne Green, PRESIDENT
## Practice location
- **Address:** 3101 SOUTH 77 SUNSHINE STRIP, SUITE A, Harlingen, TX 78550-8904
- **Phone:** (956) 423-1050 · **Fax:** (956) 423-1585
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 2 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Gastroenterology (1), Nurse Practitioner (1); 1 practice at this address · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 11, 2026
- **Other identifiers:** Medicaid 1734030 01 (TX)
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Source: [NPI Profile](https://npiprofile.com/npi/1457447328) · Data from the CMS NPPES public registry.