Active NPI
Humberto Rivas, M.D.
- Pediatrics Physician
- Gonzales, TX
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pediatrics Physician
- License
- 208000000X
- Practice address
- 1110 N Sarah Dewitt Dr
Gonzales, TX 78629-3311 - Phone
- (830) 672-8473
- Fax
- (830) 672-3035
- NPI assigned
- Jun 10, 2005
- Last updated
- May 11, 2026
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Pediatrics Physician | 208000000X | 208000000X | TX | Primary |
Addresses
Primary practice location
1110 N Sarah Dewitt Dr
Gonzales, TX 78629-3311
Mailing address
1110 N Sarah Dewitt Dr
Gonzales, TX 78629-3311
Phone (830) 672-8502
Other identifiers 3
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 110010 | Other | TX | MEDICARE |
| J3202 | Other | TX | STATE LI |
| 130892609 | Medicaid | TX |
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | mhghrivas@gonzhealthsys.cernerdirect.com | Direct |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in TX
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 208000000X | TX | MD | Pediatrics Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Gonzales Healthcare Systems | Pediatrics | Current | Accepting new patients |
| Gonzales Healthcare Systems | Current | Accepting new patients | |
| Gonzales Healthcare Systems | Current | Accepting new patients | |
| Citizens Medical Center County of Victoria | Past | Accepting new patients | |
| Patrick S. O'Connor M.D.P.a. | Past | Accepting new patients | |
| Gonzales Healthcare Systems | Past | Accepting new patients |
Locations
1110 E Sarah Dewitt Dr
Gonzales, TX 78629
1110 N Sarah Dewitt Dr
Gonzales, TX 78629
Phone (830) 672-3845
Interoperability endpoints
- https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/
- mhghrivas@gonzhealthsys.cernerdirect.com
Organizations & group practices 6
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
dba Sievers Medical Clinic
- Rural Health Clinic/Center
- Gonzales, TX
- NPI 1013916287
Pediatrics
-
dba Memorial Hospital
- General Acute Care Hospital
- Gonzales, TX
- NPI 1508859612
-
dba Gonzales Professional Partners
- Diagnostic Radiology Physician
- Gonzales, TX
- NPI 1922856699
-
- General Acute Care Hospital
- Victoria, TX
- NPI 1124052162
-
dba Memorial Hospital
- Rural Acute Care Hospital
- Gonzales, TX
- NPI 1932108214
-
- Ophthalmology Physician
- San Antonio, TX
- NPI 1477552693
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1118361600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1778457600000",
"number": "1376547919",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1110 N SARAH DEWITT DR",
"city": "GONZALES",
"state": "TX",
"postal_code": "786293311",
"telephone_number": "830-672-8502"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1110 N SARAH DEWITT DR",
"city": "GONZALES",
"state": "TX",
"postal_code": "786293311",
"telephone_number": "830-672-8473",
"fax_number": "830-672-3035"
}
],
"practiceLocations": [],
"basic": {
"last_name": "RIVAS",
"first_name": "HUMBERTO",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2005-06-10",
"last_updated": "2026-05-11",
"certification_date": "2026-05-11",
"status": "A"
},
"taxonomies": [
{
"code": "208000000X",
"taxonomy_group": "",
"desc": "Pediatrics",
"state": "TX",
"license": "208000000X",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "MEDICARE",
"identifier": "110010",
"state": "TX"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "STATE LI",
"identifier": "J3202",
"state": "TX"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "130892609",
"state": "TX"
}
],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "mhghrivas@gonzhealthsys.cernerdirect.com",
"affiliation": "N",
"use": "DIRECT",
"useDescription": "Direct",
"contentType": "OTHER",
"contentTypeDescription": "Other",
"contentOtherDescription": "Micorsoft word",
"address_1": "1110 N Sarah Dewitt Dr",
"city": "Gonzales",
"state": "TX",
"country_code": "US",
"postal_code": "786293311",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Gonzales, TX
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 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; Order and Referring.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.