Individual provider Active NPI

Isaac Van Sligtenhorst, MD

  • Family Medicine Physician
  • Spring, TX
National Provider Identifier
1194105064
Registry record updated Aug 14, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
S2188 Issued in TX
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

Updated by the provider on Aug 14, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
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
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20191214000024 TX Practitioner - Family Practice 0446683908 Reassigns benefits to 1 organization

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
Memorial Hermann Medical GroupGroup PAC ID 7012008360, 760 clinicians

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

LicenseStateTypeSpecialty
S2188TXMDFamily Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Memorial Hermann Medical Group Family Medicine CurrentSince Dec 1, 2024 Accepting new patients
Villagemd of Southeast Texas, PA Family Medicine PastSince Dec 14, 2025 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

  • Direct secure messaging: 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.

Hospital & facility affiliations 6

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

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

Verify at the official NPI Registry.