NPIMap

Organization Active NPI

Texas Em-I Medical Services PA

  • Emergency Medicine Physician
  • Galveston, TX
National Provider Identifier
1447598842
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
301 University Blvd
Galveston, TX 77555-0100
Phone
(954) 939-5000
Fax
(877) 250-6889
NPI assigned
Jan 21, 2013
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 Primary

Addresses

Primary practice location

301 University Blvd
Galveston, TX 77555-0100

Mailing address

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

Other practice location 1

200 Blossom St
Webster, TX 77598-4204
Phone (954) 939-5000

Other practice location 2

2240 Gulf Fwy S
League City, TX 77573-5143
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
This NPI is an additional NPI on the enrollment
Practice locations: League City, TX; Webster, TX; McKinney, TX; Galveston, TX; Angleton, TX

National Provider Directory

National Provider Directory

Practitioners & affiliated clinicians

Practitioners 28

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 28

NPI Registry JSON

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

{
    "created_epoch": "1358726400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1780444800000",
    "number": "1447598842",
    "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": "301 UNIVERSITY BLVD",
            "city": "GALVESTON",
            "state": "TX",
            "postal_code": "775550100",
            "telephone_number": "954-939-5000",
            "fax_number": "877-250-6889"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "200 Blossom St",
            "address_purpose": "LOCATION",
            "city": "Webster",
            "state": "TX",
            "postal_code": "775984204",
            "country_code": "US",
            "telephone_number": "954-939-5000",
            "fax_number": "877-250-6889",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2240 Gulf Fwy S",
            "address_purpose": "LOCATION",
            "city": "League City",
            "state": "TX",
            "postal_code": "775735143",
            "country_code": "US",
            "telephone_number": "954-939-5000",
            "fax_number": "877-250-6889",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "TEXAS EM-I MEDICAL SERVICES PA",
        "organizational_subpart": "NO",
        "enumeration_date": "2013-01-21",
        "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": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Galveston, 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.