Active NPI
Michelle Galles, APRN
- Acute Care Nurse Practitioner
- Round Rock, TX
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Acute Care Nurse Practitioner
- License
- 994340-NP
- Practice address
- 2400 Round Rock Ave
Round Rock, TX 78681-4004 - Phone
- (512) 341-1000
- NPI assigned
- Dec 10, 2018
- Last updated
- May 6, 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 4
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Acute Care Nurse Practitioner | 363LA2100X | 10584 | CT | |
| Acute Care Nurse Practitioner | 363LA2100X | AP140635 | TX | |
| Acute Care Nurse Practitioner | 363LA2100X | 994340-NP | CO | Primary |
| Psychiatric/Mental Health Nurse Practitioner | 363LP0808X | AP140635 | TX |
Addresses
Primary practice location
2400 Round Rock Ave
Round Rock, TX 78681-4004
Mailing address
1010 Timber TRL
Cedar Park, TX 78613-3427
Phone (303) 589-5644
Other practice location 1
3620 E Whitestone Blvd
Cedar Park, TX 78613-7441
Phone (512) 260-2732
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
Care Compare profile
Medicare Care Compare- Specialty
- Nurse Practitioner
- Education
- Other, 2014
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
7200 Wyoming Springs Dr
Suite 500
Round Rock, TX 78681-4307
Phone (512) 244-0111
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Nurse Practitioner
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 994340-NP | CO | MD | Acute Care Nurse Practitioner |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Seton Family of Doctors | Current | Accepting new patients | |
| Central Texas Surgical Associates | Current | Accepting new patients | |
| Seton Family of Doctors | Current | Accepting new patients | |
| Seton Family of Doctors | Current | Accepting new patients | |
| Round Rock Outpatient Care PLLC | Psychiatric/Mental Health | Current | Accepting new patients |
Locations
1400 N Interstate 35
Ste 300
Austin, TX 78701
Phone (512) 324-8300
1860 S Lakeline Blvd
Cedar Park, TX 78613
Phone (512) 506-8503
3620 E Whitestone Blvd
Cedar Park, TX 78613
Phone (512) 260-2732
1900 Scenic Dr
Ste 2214
Georgetown, TX 78626
Phone (512) 942-4250
6001 Kyle Pkwy
Kyle, TX 78640
Phone (512) 504-5000
200 Medical Pkwy
Ste 360
Lakeway, TX 78738
Phone (512) 459-1131
1925 S A W Grimes Blvd
Round Rock, TX 78664
Phone (512) 260-2732
2400 Round Rock Ave
Round Rock, TX 78681
Phone (512) 255-6066
7200 Wyoming Springs Dr
Ste 500
Round Rock, TX 78681
Phone (512) 244-0111
Interoperability endpoints
- mgalles323826@direct.ahsys.org
- michelle.galles@xdr.hhchealthdirect.org
Organizations & group practices 5
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.
-
- Specialist
- Round Rock, TX
- NPI 1275654170
-
- Primary Care Nurse Practitioner
- Cedar Park, TX
- NPI 1891549366
Psychiatric/Mental Health
-
- Neurological Surgery Physician
- Austin, TX
- NPI 1588997233
-
dba Ascension Texas Imaging
- Radiology Clinic/Center
- Austin, TX
- NPI 1275290694
-
- Neurological Surgery Physician
- Kyle, TX
- NPI 1730412388
Hospital & facility affiliations 2
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba North Austin Medical Center
- General Acute Care Hospital
- Austin, TX
- NPI 1629021845
-
dba Round Rock Medical Center
- General Acute Care Hospital
- Round Rock, TX
- NPI 1649223645
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1544400000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1778025600000",
"number": "1730650268",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1010 TIMBER TRL",
"city": "CEDAR PARK",
"state": "TX",
"postal_code": "786133427",
"telephone_number": "303-589-5644"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2400 ROUND ROCK AVE",
"city": "ROUND ROCK",
"state": "TX",
"postal_code": "786814004",
"telephone_number": "512-341-1000"
}
],
"practiceLocations": [
{
"address_1": "3620 E Whitestone Blvd",
"address_purpose": "LOCATION",
"city": "Cedar Park",
"state": "TX",
"postal_code": "786137441",
"country_code": "US",
"telephone_number": "512-260-2732",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "GALLES",
"first_name": "MICHELLE",
"credential": "APRN",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2018-12-10",
"last_updated": "2026-05-06",
"certification_date": "2026-05-06",
"status": "A"
},
"taxonomies": [
{
"code": "363LA2100X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Acute Care",
"state": "CT",
"license": "10584",
"primary": false
},
{
"code": "363LA2100X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Acute Care",
"state": "TX",
"license": "AP140635",
"primary": false
},
{
"code": "363LA2100X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Acute Care",
"state": "CO",
"license": "994340-NP",
"primary": true
},
{
"code": "363LP0808X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Psychiatric/Mental Health",
"state": "TX",
"license": "AP140635",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Round Rock, TX
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 6, 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.