Active NPI
Wayne D Green, MD, PA
Doing business as Rio Gastroenterology
- Gastroenterology Physician
- Harlingen, TX
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Gastroenterology Physician
- License
- M0738
- Legal business name
- WAYNE D GREEN, MD, PA
- Doing business as
- Rio Gastroenterology
- Practice address
- 3101 South 77 Sunshine Strip
Suite a
Harlingen, TX 78550-8904 - Phone
- (956) 423-1050
- Fax
- (956) 423-1585
- NPI assigned
- Oct 5, 2006
- Last updated
- Mar 11, 2026
- Organization subpart
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Wayne D Green, M.D.
- Title
- President
- Phone
- (956) 423-1050
Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Gastroenterology Physician | 207RG0100X | M0738 | TX | Primary |
Addresses
Primary practice location
3101 South 77 Sunshine Strip
Suite a
Harlingen, TX 78550-8904
Mailing address
3101 South 77 Sunshine Strip
Suite a
Harlingen, TX 78550-8904
Phone (956) 423-1050
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 1734030 01 | Medicaid | TX |
Other names 1
- Rio Gastroenterology
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in TX
Enrollment records 1
Laboratory certificates & supplier records
Derived by NPIMapThese CMS records do not include an NPI. They are shown because their name and street address match this provider’s.
CLIA laboratory certificates
| CLIA number | Laboratory | Certificate | Expires |
|---|---|---|---|
| 45D1040827 | Wayne D Green, MD, PA | Certificate of waiver | May 17, 2027 |
National Provider Directory
National Provider DirectoryLocations
2121 Pease St
Ste 602
Harlingen, TX 78550
Phone (956) 423-1050
Interoperability endpoints
- https://fhir4.healow.com/fhir/r4/ACBDAA
Practitioners & affiliated clinicians
Practitioners 3
Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.
-
- Gastroenterology Physician
- Harlingen, TX
- NPI 1114906278
-
- Family Nurse Practitioner
- McAllen, TX
- NPI 1104480029
-
- Family Nurse Practitioner
- Donna, TX
- NPI 1528522653
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1160006400000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1773187200000",
"number": "1457447328",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "3101 SOUTH 77 SUNSHINE STRIP",
"address_2": "SUITE A",
"city": "HARLINGEN",
"state": "TX",
"postal_code": "785508904",
"telephone_number": "956-423-1050",
"fax_number": "956-423-1585"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "3101 SOUTH 77 SUNSHINE STRIP",
"address_2": "SUITE A",
"city": "HARLINGEN",
"state": "TX",
"postal_code": "785508904",
"telephone_number": "956-423-1050",
"fax_number": "956-423-1585"
}
],
"practiceLocations": [],
"basic": {
"organization_name": "WAYNE D GREEN, MD, PA",
"organizational_subpart": "NO",
"enumeration_date": "2006-10-05",
"last_updated": "2026-03-11",
"certification_date": "2026-03-11",
"status": "A",
"authorized_official_last_name": "GREEN",
"authorized_official_first_name": "WAYNE",
"authorized_official_middle_name": "D",
"authorized_official_title_or_position": "PRESIDENT",
"authorized_official_telephone_number": "956-423-1050",
"authorized_official_credential": "M.D."
},
"taxonomies": [
{
"code": "207RG0100X",
"taxonomy_group": "",
"desc": "Internal Medicine, Gastroenterology",
"state": "TX",
"license": "M0738",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "1734030 01",
"state": "TX"
}
],
"endpoints": [],
"other_names": [
{
"organization_name": "Rio Gastroenterology",
"code": "3",
"type": "Doing Business As"
}
]
}
Other providers in Harlingen, TX
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 11, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.