Active NPI
Olga Villasana, PHARM.D.
- Oncology Pharmacist
- Dallas, TX
National Provider Identifier
1295664597
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Oncology Pharmacist
- License
- 39788
- Practice address
- 12377 Merit Dr Ste 700
Dallas, TX 75251-2241 - Phone
- (915) 799-3392
- NPI assigned
- May 14, 2026
- Sex
- Female
- Sole proprietor
- Yes
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 |
|---|---|---|---|---|
| Oncology Pharmacist | 1835X0200X | 39788 | TX | Primary |
Addresses
Primary practice location
12377 Merit Dr Ste 700
Dallas, TX 75251-2241
Mailing address
12377 Merit Dr Ste 700
Dallas, TX 75251-2241
Phone (915) 799-3392
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
- Credentials
- Doctor of Pharmacy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 39788 | TX | MD | General Practice Dentistry |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1778716800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1778716800000",
"number": "1295664597",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "12377 MERIT DR STE 700",
"city": "DALLAS",
"state": "TX",
"postal_code": "752512241",
"telephone_number": "915-799-3392"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "12377 MERIT DR STE 700",
"city": "DALLAS",
"state": "TX",
"postal_code": "752512241",
"telephone_number": "915-799-3392"
}
],
"practiceLocations": [],
"basic": {
"last_name": "VILLASANA",
"first_name": "OLGA",
"credential": "PHARM.D.",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2026-05-14",
"last_updated": "2026-05-14",
"certification_date": "2026-05-14",
"status": "A"
},
"taxonomies": [
{
"code": "1835X0200X",
"taxonomy_group": "",
"desc": "Pharmacist, Oncology",
"state": "TX",
"license": "39788",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Dallas, TX
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 14, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.