Active NPI
Isaac Van Sligtenhorst, MD
- Family Medicine Physician
- Spring, TX
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Medicine Physician
- License
- S2188
- Practice address
- 4057 Riley Fuzzel Rd Ste 1100a
Spring, TX 77386-4632 - Phone
- (281) 602-0440
- Fax
- (281) 602-0445
- NPI assigned
- Jun 4, 2015
- Sex
- Male
- Sole proprietor
- No
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 |
|---|---|---|---|---|
| Family Medicine Physician | 207Q00000X | S2188 | TX | Primary |
Addresses
Primary practice location
4057 Riley Fuzzel Rd Ste 1100a
Spring, TX 77386-4632
Mailing address
930 Frostwood Dr Ste 2.200
Houston, TX 77024-2450
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: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Family Practice
- Education
- University of Texas Medical School at Houston, 2014
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
1801 N Loop W
Suite 30
Houston, TX 77008-1445
Phone (713) 802-9781
4057 Riley Fuzzel Rd
Spring, TX 77386-4632
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| S2188 | TX | MD | Family Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Memorial Hermann Medical Group | Family Medicine | Current | Accepting new patients |
| Villagemd of Southeast Texas, PA | Family Medicine | Past | Accepting new patients |
Locations
1505 E Winding Way Dr
Ste 200
Friendswood, TX 77546
Phone (713) 366-7800
915 Gessner Rd
Ste 100
Houston, TX 77024
Phone (713) 242-2222
909 Frostwood Dr
Ste 1405
Houston, TX 77024
Phone (713) 338-5519
930 Frostwood Dr
Ste 2200
Houston, TX 77024
1801 North Loop W
Ste 30
Houston, TX 77008
Phone (713) 802-9781
3203 Broadway St
Pearland, TX 77581
Phone (281) 485-8876
Interoperability endpoints
- ivansligtenhorst696630@memorialhermann.direct-ci.com
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.
-
- Family Medicine Physician
- Fulshear, TX
- NPI 1003985102
-
- Family Medicine Physician
- Houston, TX
- NPI 1841643327
Hospital & facility affiliations 6
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Houston, TX
- NPI 1730132234
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1433376000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1786665600000",
"number": "1194105064",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "930 FROSTWOOD DR STE 2.200",
"city": "HOUSTON",
"state": "TX",
"postal_code": "770242450"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "4057 RILEY FUZZEL RD STE 1100A",
"city": "SPRING",
"state": "TX",
"postal_code": "773864632",
"telephone_number": "281-602-0440",
"fax_number": "281-602-0445"
}
],
"practiceLocations": [],
"basic": {
"last_name": "VAN SLIGTENHORST",
"first_name": "ISAAC",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2015-06-04",
"last_updated": "2026-08-14",
"certification_date": "2026-08-14",
"status": "A"
},
"taxonomies": [
{
"code": "207Q00000X",
"taxonomy_group": "",
"desc": "Family Medicine",
"state": "TX",
"license": "S2188",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Spring, TX
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 14, 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.