Active NPI
Trisha Haelyn Mallard, DNP
- Psychiatric/Mental Health Nurse Practitioner
- Georgetown, TX
National Provider Identifier
1497630453
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Psychiatric/Mental Health Nurse Practitioner
- License
- 1208470
- Practice address
- 302 W 3Rd St Unit 2201
Georgetown, TX 78626-2907 - Phone
- (435) 328-9875
- NPI assigned
- Aug 8, 2025
- 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 |
|---|---|---|---|---|
| Psychiatric/Mental Health Nurse Practitioner | 363LP0808X | 1208470 | TX | Primary |
Addresses
Primary practice location
302 W 3Rd St Unit 2201
Georgetown, TX 78626-2907
Mailing address
302 W 3Rd St Unit 2201
Georgetown, TX 78626-2907
Phone (435) 328-9875
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: No
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20260331001305 | TX | Practitioner - Nurse Practitioner | 8123503885 | Reassigns benefits to 2 organizations |
Care Compare profile
Medicare Care Compare- Specialty
- Nurse Practitioner
- Education
- Other, 2025
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
Practice addresses (Care Compare)
1211 W 22ND St
Suite 406
Oak Brook, IL 60523-2169
302 W 3Rd St
Unit 2201
Georgetown, TX 78626-2907
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 1208470 | TX | MD | Psychiatric/Mental Health Nurse Practitioner |
Organizations & group practices 2
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": "1754611200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1776384000000",
"number": "1497630453",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "302 W 3RD ST UNIT 2201",
"city": "GEORGETOWN",
"state": "TX",
"postal_code": "786262907",
"telephone_number": "435-328-9875"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "302 W 3RD ST UNIT 2201",
"city": "GEORGETOWN",
"state": "TX",
"postal_code": "786262907",
"telephone_number": "435-328-9875"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MALLARD",
"first_name": "TRISHA",
"middle_name": "HAELYN",
"credential": "DNP",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2025-08-08",
"last_updated": "2026-04-17",
"certification_date": "2026-04-17",
"status": "A"
},
"taxonomies": [
{
"code": "363LP0808X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Psychiatric/Mental Health",
"state": "TX",
"license": "1208470",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Georgetown, TX
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 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.