Individual provider Active NPI

Basem Abdeen, MD

  • Hospitalist Physician
  • Houston, TX
National Provider Identifier
1366545675
Registry record updated Feb 19, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
License
T9614 Issued in TX
Practice address
6624 Fannin St FL 19
Houston, TX 77030-2312
Phone
(713) 442-0000
NPI assigned
Sep 6, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 19, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X T9614 TX
Hospitalist Physician 208M00000X T9614 TX Primary

Addresses

Primary practice location

6624 Fannin St FL 19
Houston, TX 77030-2312

Mailing address

11511 Shadow Creek Pkwy
HR/Credentialing Services
Pearland, TX 77584-7298
Phone (713) 442-0000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MO, TX2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20070821000022 MO Practitioner - HospitalistPractitioner - Internal Medicine 0840382909 Reassigns benefits to 7 organizations
I20240829004261 TX Practitioner - HospitalistPractitioner - Internal Medicine 0840382909 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
HospitalistAlso: Internal Medicine
Education
Other, 2001
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Kelsey-Seybold Medical Group, PLLCGroup PAC ID 9739093527, 941 clinicians

Practice addresses (Care Compare)

6624 Fannin St
Houston, TX 77030-2312
Phone (713) 442-0000

Hospital & facility affiliations

  • Baylor St Lukes Medical Center Hospital, Houston, TX, CCN 450193

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Galen Inpatient Physicians PC Hospitalist CurrentSince Apr 1, 2020 Accepting new patients
Mercy Clinic Adult Hospitalists - Washington, LLC Hospitalist CurrentSince Feb 1, 2020 Accepting new patients
Kelsey-Seybold Medical Group, PLLC Internal Medicine CurrentSince Oct 14, 2024 Accepting new patients
Midwest Hospitalist Physicians LLP Hospitalist CurrentSince Sep 15, 2020 Accepting new patients
St Anthonys Physician Organization Hospitalist Services, L.C. Hospitalist CurrentSince Sep 24, 2011 Accepting new patients
Cogent Healthcare of Missouri, Inc CurrentSince Jan 1, 2022 Accepting new patients
Galen Inpatient Physicians PC. Internal Medicine CurrentSince Apr 1, 2020 Accepting new patients
Mercy Clinic Adult Hospitalists - St. Louis, LLC Internal Medicine CurrentSince Feb 1, 2020 Accepting new patients
Mercy Clinic Adult Hospitalists- Jefferson, LLC Internal Medicine CurrentSince Feb 1, 2020 Accepting new patients
Ozarks Medical Center Past Accepting new patients
Emcare Physician Providers, Inc. Past Accepting new patients
Mercy Hospital South Past Accepting new patients
St Alexius Emergency Physicians LLC Past Accepting new patients
Chaganti and Associates PC Past Accepting new patients
Inpatient Consultants of Missouri Inc Internal Medicine Past Accepting new patients

Locations

1601 Cummins Dr
Ste D
Modesto, CA 95358
Phone (510) 851-7423

1400 US Highway 61
Crystal Cty, MO 63028
Phone (636) 933-1111

1015 Bowles Ave
Fenton, MO 63026
Phone (636) 496-2000

315 S Osteopathy Ave
Kirksville, MO 63501
Phone (660) 785-1000

100 Medical Plz
Lake St Louis, MO 63367
Phone (636) 625-5200

300 1st Capitol Dr
Saint Charles, MO 63301
Phone (636) 669-2211

10018 Kennerly Rd
Fl 3
Saint Louis, MO 63128
Phone (314) 361-8100

10010 Kennerly Rd
Saint Louis, MO 63128
Phone (314) 525-1328

615 S New Ballas Rd
#C
Saint Louis, MO 63141
Phone (314) 569-6000

615 S New Ballas Rd
#H
Saint Louis, MO 63141
Phone (314) 251-6075

6420 Clayton Rd
Saint Louis, MO 63117
Phone (314) 768-8442

10010 Kennerly Rd
#3
Saint Louis, MO 63128
Phone (314) 525-1328

901 E 5th St
Washington, MO 63090
Phone (636) 239-8000

6624 Fannin St
Fl 19
Houston, TX 77030

2727 W Holcombe Blvd
Houston, TX 77025
Phone (713) 790-9412

6624 Fannin St
Houston, TX 77030
Phone (713) 442-1500

11511 Shadow Creek Pkwy
Pearland, TX 77584
Phone (713) 442-4997

Interoperability endpoints

  • Direct secure messaging: babdeen3044@direct-ehr-ssmhc.com
  • Direct secure messaging: babdeen87416@direct.kelsey-seybold.com

Organizations & group practices 15

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.

View all 15

Hospital & facility affiliations 1

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": "1157500800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771459200000",
    "number": "1366545675",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "11511 SHADOW CREEK PKWY",
            "address_2": "HR/CREDENTIALING SERVICES",
            "city": "PEARLAND",
            "state": "TX",
            "postal_code": "775847298",
            "telephone_number": "713-442-0000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6624 FANNIN ST FL 19",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770302312",
            "telephone_number": "713-442-0000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ABDEEN",
        "first_name": "BASEM",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-09-06",
        "last_updated": "2026-02-19",
        "certification_date": "2026-02-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TX",
            "license": "T9614",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "TX",
            "license": "T9614",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Houston, TX

Sources for this page

Verify at the official NPI Registry.