Active NPI
Elizabeth Anne Vandergaag, ARNP
- Family Nurse Practitioner
- Houston, TX
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Nurse Practitioner
- License
- AP127186
- Practice address
- 1515 Holcombe Blvd
Houston, TX 77030-4000 - Phone
- (713) 792-6161
- NPI assigned
- Nov 20, 2006
- 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 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Registered Nurse | 163W00000X | RN00156835 | WA | |
| Nurse Practitioner | 363L00000X | AP30007439 | WA | |
| Family Nurse Practitioner | 363LF0000X | AP127186 | TX | Primary |
Addresses
Primary practice location
1515 Holcombe Blvd
Houston, TX 77030-4000
Mailing address
PO Box 4439
Houston, TX 77210-4439
Phone (713) 792-2991
Other practice location 1
17198 St Lukes Way Ste 600
The Woodlands, TX 77384-8017
Phone (936) 266-2450
Other practice location 2
625 9th Avenue
Ste 210
Longview, WA 98632-2465
Phone (360) 501-3400
Other identifiers 2
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 9651027 | Medicaid | WA | |
| 0229642 | Other | WA | LABOR AND INDUSTRIES |
Other names 1
- Elizabeth Mraz
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, 2006
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
17350 St Lukes Way
Suite 400
The Woodlands, TX 77384-4167
Phone (281) 444-3278
Hospital & facility affiliations
- St Luke'S the Woodlands Hospital
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
- HHS exclusion list flag
- Flagged The directory lists this NPI on an HHS exclusion list.
- Credentials
- Nurse Practitioner
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| RN00156835 | WA | MD | Registered Nurse |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Kelsey-Seybold Medical Group, PLLC | Current | Accepting new patients | |
| MHS Physicians of Texas | Current | Accepting new patients | |
| Baylor College of Medicine | Current | Accepting new patients | |
| Baylor St. Luke'S Medical Group | Nurse Practitioner | Current | Accepting new patients |
| Memorial Hermann Neighborhood Health Centers, PLLC | Current | Accepting new patients | |
| MHS Physicians of Texas | Current | Accepting new patients | |
| Baylor College of Medicine | Current | Accepting new patients | |
| Cardiovascular Care Providers, Inc. | Past | Accepting new patients | |
| Longview Orthopedic Associates, PLLC | Past | Accepting new patients |
Locations
6624 Fannin St
Ste 1240
Houston, TX 77030
Phone (832) 355-5575
2 Greenway Plz
Ste 900
Houston, TX 77046
Phone (713) 798-1835
2727 W Holcombe Blvd
Houston, TX 77025
Phone (713) 790-9412
7200 Cambridge St
Fl 1
Houston, TX 77030
Phone (713) 798-3924
18955 N Memorial Dr
Ste 360
Humble, TX 77338
Phone (281) 319-8530
7010 Highway 6
Missouri City, TX 77459
Phone (713) 442-4200
10905 Memorial Hermann Dr
Ste 111
Pearland, TX 77584
Phone (281) 929-4727
9200 Pinecroft Dr
Ste 130
Shenandoah, TX 77380
Phone (713) 897-5900
17510 W Grand Pkwy S
Ste 330
Sugar Land, TX 77479
Phone (281) 238-3770
17198 St Lukes Way
Ste 600
The Woodlands, TX 77384
Phone (936) 266-2650
17198 St Lukes Way
Ste 440
The Woodlands, TX 77384
Phone (936) 266-2500
17350 St Lukes Way
Ste 400
The Woodlands, TX 77384
Phone (832) 249-3721
Interoperability endpoints
- https://fhir4.healow.com/fhir/r4/JIHBCA
Organizations & group practices 9
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.
-
- Internal Medicine Physician
- The Woodlands, TX
- NPI 1740485879
Nurse Practitioner
-
- Ph.D. Medical Genetics
- Houston, TX
- NPI 1881026664
-
- Multi-Specialty Clinic/Center
- Houston, TX
- NPI 1013915255
-
- Neurological Surgery Physician
- Shenandoah, TX
- NPI 1184714867
-
- Orthopaedic Surgery Physician
- Sugar Land, TX
- NPI 1700683844
-
- Hospitalist Physician
- Houston, TX
- NPI 1043266299
-
- Sports Medicine (Orthopaedic Surgery) Physician
- Houston, TX
- NPI 1144543604
-
- Specialist
- Houston, TX
- NPI 1437242617
-
- Orthopaedic Surgery Physician
- Longview, WA
- NPI 1003865072
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- The Woodlands, TX
- NPI 1942208616
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1163980800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1785974400000",
"number": "1174697296",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 4439",
"city": "HOUSTON",
"state": "TX",
"postal_code": "772104439",
"telephone_number": "713-792-2991"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1515 HOLCOMBE BLVD",
"city": "HOUSTON",
"state": "TX",
"postal_code": "770304000",
"telephone_number": "713-792-6161"
}
],
"practiceLocations": [
{
"address_1": "17198 St Lukes Way Ste 600",
"address_purpose": "LOCATION",
"city": "The Woodlands",
"state": "TX",
"postal_code": "773848017",
"country_code": "US",
"telephone_number": "936-266-2450",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "625 9th Avenue",
"address_2": "Ste 210",
"address_purpose": "LOCATION",
"city": "Longview",
"state": "WA",
"postal_code": "986322465",
"country_code": "US",
"telephone_number": "360-501-3400",
"fax_number": "360-423-6862",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "VANDERGAAG",
"first_name": "ELIZABETH",
"middle_name": "ANNE",
"credential": "ARNP",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2006-11-20",
"last_updated": "2026-08-06",
"certification_date": "2026-08-06",
"status": "A"
},
"taxonomies": [
{
"code": "163W00000X",
"taxonomy_group": "",
"desc": "Registered Nurse",
"state": "WA",
"license": "RN00156835",
"primary": false
},
{
"code": "363L00000X",
"taxonomy_group": "",
"desc": "Nurse Practitioner",
"state": "WA",
"license": "AP30007439",
"primary": false
},
{
"code": "363LF0000X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Family",
"state": "TX",
"license": "AP127186",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "9651027",
"state": "WA"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "LABOR AND INDUSTRIES",
"identifier": "0229642",
"state": "WA"
}
],
"endpoints": [],
"other_names": [
{
"first_name": "ELIZABETH",
"last_name": "MRAZ",
"code": "1",
"type": "Former Name"
}
]
}
Other providers in Houston, TX
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 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.