NPIMap

Organization Active NPI

Texas Em-I Medical Services PA

  • Emergency Medicine Physician
  • Angleton, TX
National Provider Identifier
1437334414
Registry record updated Jun 3, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
Legal business name
TEXAS EM-I MEDICAL SERVICES PA
Practice address
132 E Hospital Dr
Emergency Department
Angleton, TX 77515-4112
Phone
(954) 939-5000
Fax
(877) 250-6889
NPI assigned
Jan 8, 2008
Last updated
Jun 3, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Jun 3, 2026

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

Authorized official

Name
Mark Jeffrey Slepin
Title
Owner/Ao
Phone
(727) 692-1518

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X NU Primary

Addresses

Primary practice location

132 E Hospital Dr
Emergency Department
Angleton, TX 77515-4112

Mailing address

PO Box 202571
Dallas, TX 75320-2571
Phone (954) 939-5000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20031201000296 TX Part B Supplier - Clinic/Group Practice 6507760543 Receives reassigned benefits from 96 practitioners
Practice locations: League City, TX; Webster, TX; McKinney, TX; Galveston, TX; Angleton, TX

National Provider Directory

National Provider Directory

Locations

5100 Loop 500 E
Center, TX 75935
Phone (936) 568-3450

7121 S Padre Island Dr
Ste 310
Corpus Christi, TX 78412
Phone (361) 985-9500

9110 Barker Cypress Rd
#100
Cypress, TX 77433
Phone (281) 890-4285

1313 Hermann Dr
Houston, TX 77004
Phone (713) 527-5000

1275 Marvin Hancock Dr
Jasper, TX 75951
Phone (409) 384-1951

8445 Memorial Blvd
Ste 600
Port Arthur, TX 77640
Phone (409) 722-9662

1551 State Highway 34 S
#2
Terrell, TX 75160
Phone (972) 551-6800

Practitioners & affiliated clinicians

Practitioners 117

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

View all 117

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1199750400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1780444800000",
    "number": "1437334414",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 202571",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "753202571",
            "telephone_number": "954-939-5000",
            "fax_number": "877-250-6889"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "132 E HOSPITAL DR",
            "address_2": "EMERGENCY DEPARTMENT",
            "city": "ANGLETON",
            "state": "TX",
            "postal_code": "775154112",
            "telephone_number": "954-939-5000",
            "fax_number": "877-250-6889"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "TEXAS EM-I MEDICAL SERVICES PA",
        "organizational_subpart": "NO",
        "enumeration_date": "2008-01-08",
        "last_updated": "2026-06-03",
        "certification_date": "2026-06-03",
        "status": "A",
        "authorized_official_last_name": "SLEPIN",
        "authorized_official_first_name": "MARK",
        "authorized_official_middle_name": "JEFFREY",
        "authorized_official_title_or_position": "OWNER/AO",
        "authorized_official_telephone_number": "727-692-1518"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Angleton, TX

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 3, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.