Individual provider Active NPI

Thomas Spentzas, MD

  • Pediatric Critical Care Medicine Physician
  • Houston, TX
National Provider Identifier
1881652543
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatric Critical Care Medicine PhysicianTaxonomy code 2080P0203X
License
W1509 Issued in TX
Practice address
6411 Fannin St
Houston, TX 77030-1501
Phone
(901) 734-5969
NPI assigned
May 3, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatric Critical Care Medicine Physician 2080P0203X W1509 TX Primary

Addresses

Primary practice location

6411 Fannin St
Houston, TX 77030-1501

Mailing address

6411 Fannin St
Houston, TX 77030-1501
Phone (901) 734-5969

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TN, 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
I20040629000526 TN Practitioner - Pediatric Medicine 5799761714 Reassigns benefits to 1 organization
I20260417000171 TX Practitioner - Pediatric MedicinePractitioner - Critical Care (Intensivists) 5799761714 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Pediatric Medicine
Education
Other, 1983
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Ut Lebonheur Pediatric Specialists, Inc.Group PAC ID 7719173939, 162 clinicians

Practice addresses (Care Compare)

100 N Humphreys Blvd
Memphis, TN 38120-2146
Phone (901) 287-7337

848 Adams Ave
Memphis, TN 38103-2816

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
W1509TXMDPediatric Critical Care Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Ut Lebonheur Pediatric Specialists, Inc. Pediatric Critical Care Medicine CurrentSince Dec 1, 2010 Accepting new patients
Swedishamerican Hospital Past Accepting new patients
Methodist Healthcare - Memphis Hospitals Past Accepting new patients

Locations

100 N Humphreys Blvd
Memphis, TN 38120
Phone (901) 747-1800

930 Madison Ave
Ste 200
Memphis, TN 38103
Phone (901) 448-6650

1407 Union Ave
Ste 200
Memphis, TN 38104
Phone (901) 866-8360

1407 Union Ave
Ste 640
Memphis, TN 38104

Interoperability endpoints

  • Direct secure messaging: tspentzas34438@mlh.direct-ci.com
  • FHIR API: https://epicproxy.et1342.epichosted.com/APIProxyPRD/MLH/api/FHIR/R4

Organizations & group practices 4

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.

NPI Registry JSON

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

{
    "created_epoch": "1146614400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1881652543",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6411 FANNIN ST",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770301501",
            "telephone_number": "901-734-5969"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6411 FANNIN ST",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770301501",
            "telephone_number": "901-734-5969"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SPENTZAS",
        "first_name": "THOMAS",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-03",
        "last_updated": "2026-07-13",
        "certification_date": "2026-01-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2080P0203X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Critical Care Medicine",
            "state": "TX",
            "license": "W1509",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Houston, TX

Sources for this page

Verify at the official NPI Registry.