Active NPI
Grethel Veronica Ruiz, M.D.
- Family Medicine Physician
- Sugar Land, TX
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Medicine Physician
- License
- P2439
- Practice address
- 14023 Southwest Fwy
Sugar Land, TX 77478-3550 - Phone
- (281) 325-4100
- Fax
- (281) 325-4228
- NPI assigned
- Jun 8, 2007
- Last updated
- Aug 17, 2026
- Sex
- Female
- 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 |
|---|---|---|---|---|
| Family Medicine Physician | 207Q00000X | P2439 | TX | Primary |
Addresses
Primary practice location
14023 Southwest Fwy
Sugar Land, TX 77478-3550
Mailing address
930 Frostwood Dr Ste 2.200
Houston, TX 77024-2450
Phone (713) 338-5502
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| P4239 | Other | TX | MEDICAL LICENSE |
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | grethel.ruiz.1@29601.direct.athenahealth.com |
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
Care Compare profile
Medicare Care Compare- Specialty
- Family Practice
- Education
- Other, 2003
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
8555 Memorial Blvd
Suite 100
Port Arthur, TX 77640-7001
Phone (409) 237-6480
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Removal or shaving of skin growth | 1-10 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| P2439 | TX | MD | Family Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Centerwell Senior Primary Care (TX) PA | Family Medicine | Current | Accepting new patients |
| Centerwell Senior Primary Care (TX) PA | Family Medicine | Current | Accepting new patients |
| Centerwell Senior Primary Care (TX) PA | Family Medicine | Current | Accepting new patients |
Locations
6101 Waterford District Dr
Ste 200
Miami, FL 33126
Phone (407) 533-6836
381 S Loop 336 W
Ste 900
Conroe, TX 77304
Phone (936) 703-1827
545 Gulfgate Center Mall
Houston, TX 77087
Phone (281) 846-7209
3915 Spencer Hwy
Pasadena, TX 77504
Phone (713) 265-6955
8555 Memorial Blvd
Ste 100
Port Arthur, TX 77640
Phone (409) 237-6480
Interoperability endpoints
- grethel.ruiz.1@29601.direct.athenahealth.com
- grethel.ruiz@centerwell.eclinicaldirectplus.com
- gruiz366204@memorialhermann.direct-ci.com
Organizations & group practices 4
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 CenterWell Senior Primary Care- Pasadena
- Internal Medicine Physician
- Pasadena, TX
- NPI 1861959298
Family Medicine
-
- Family Medicine Physician
- Fulshear, TX
- NPI 1003985102
-
dba CenterWell Senior Primary Care-Conroe
- Internal Medicine Physician
- Conroe, TX
- NPI 1083237622
Family Medicine
-
dba CenterWell Senior Primary Care- DeSoto
- Internal Medicine Physician
- Desoto, TX
- NPI 1689491581
Family Medicine
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1181260800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1786924800000",
"number": "1477756229",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "930 FROSTWOOD DR STE 2.200",
"city": "HOUSTON",
"state": "TX",
"postal_code": "770242450",
"telephone_number": "713-338-5502",
"fax_number": "713-338-6500"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "14023 SOUTHWEST FWY",
"city": "SUGAR LAND",
"state": "TX",
"postal_code": "774783550",
"telephone_number": "281-325-4100",
"fax_number": "281-325-4228"
}
],
"practiceLocations": [],
"basic": {
"last_name": "RUIZ",
"first_name": "GRETHEL",
"middle_name": "VERONICA",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2007-06-08",
"last_updated": "2026-08-17",
"certification_date": "2026-08-17",
"status": "A"
},
"taxonomies": [
{
"code": "207Q00000X",
"taxonomy_group": "",
"desc": "Family Medicine",
"state": "TX",
"license": "P2439",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "MEDICAL LICENSE",
"identifier": "P4239",
"state": "TX"
}
],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "grethel.ruiz.1@29601.direct.athenahealth.com",
"affiliation": "N",
"address_1": "545 Gulfgate Center Mall",
"city": "Houston",
"state": "TX",
"country_code": "US",
"postal_code": "770873023",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Sugar Land, TX
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 17, 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.
- 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.