Active NPI
Dennis Marrero, O.P.A.C
- Orthopedic Assistant
- Buda, TX
National Provider Identifier
1548242845
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Orthopedic Assistant
- License
- 604
- Practice address
- PO Box 604
Buda, TX 78610-0604 - Phone
- (512) 667-6187
- Fax
- (512) 201-6120
- NPI assigned
- Nov 14, 2005
- Sex
- Male
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Surgical Assistant | 246ZC0007X | |||
| Orthopedic Assistant | 246ZX2200X | 604 | Primary |
Addresses
Primary practice location
PO Box 604
Buda, TX 78610-0604
Mailing address
PO Box 604
Buda, TX 78610-0604
Phone (512) 667-6187
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Texas Ortho-Spine Assistants LLC | Surgical Assistant | Current | Accepting new patients |
Organizations & group practices 1
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1131926400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1761436800000",
"number": "1548242845",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 604",
"city": "BUDA",
"state": "TX",
"postal_code": "786100604",
"telephone_number": "512-667-6187",
"fax_number": "512-201-6120"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "PO BOX 604",
"city": "BUDA",
"state": "TX",
"postal_code": "786100604",
"telephone_number": "512-667-6187",
"fax_number": "512-201-6120"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MARRERO",
"first_name": "DENNIS",
"name_prefix": "Mr.",
"credential": "O.P.A.C",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2005-11-14",
"last_updated": "2025-10-26",
"certification_date": "2025-10-26",
"status": "A"
},
"taxonomies": [
{
"code": "246ZC0007X",
"taxonomy_group": "",
"desc": "Specialist/Technologist, Other, Surgical Assistant",
"state": null,
"license": null,
"primary": false
},
{
"code": "246ZX2200X",
"taxonomy_group": "",
"desc": "Specialist/Technologist, Other, Orthopedic Assistant",
"state": null,
"license": "604",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Buda, TX
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 26, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.