Samuel Alfred Tvrdik, MD

Primary specialty

Anesthesiology PhysicianTaxonomy code 207L00000X

License

U4652 Issued in TX

Practice address

4000 Spencer Hwy
Pasadena, TX 77504-5303

Phone

(713) 359-2000

NPI assigned

Jun 14, 2019

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

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

Specialty

Anesthesiology

Education

Tulane University School of Medicine, 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

U S Anesthesia Partners of Texas, PAGroup PAC ID 7315850351, 2,750 clinicians

Hendrick Anesthesia NetworkGroup PAC ID 3274521281, 99 clinicians

Emergenchealth PLLCGroup PAC ID 1355606641, 1,037 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Hendrick Medical Center Hospital, Abilene, TX, CCN 450229
• Christus Southeast Texas- St Elizabeth Hospital, Beaumont, TX, CCN 450034
• Memorial Hermann Hospital System Hospital, Houston, TX, CCN 450184

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Emergenchealth PLLC

  • Anesthesiology Physician
  • Fort Worth, TX
  • NPI 1467970897
  Medicare reassignment Care Compare group NPD
• Hendrick Anesthesia Network

  • Specialist
  • Abilene, TX
  • NPI 1851394993
  Medicare reassignment Care Compare group NPD
• U. S. Anesthesia Partners of Texas, P.a.,

  dba Greater Houston Anesthesiology, P.A.

  • Anesthesiology Physician
  • Houston, TX
  • NPI 1548208564
  Medicare reassignment Care Compare group NPD
• Compass Anesthesia Providers PLLC

  • Anesthesiology Physician
  • Webster, TX
  • NPI 1669829750
  Medicare reassignment NPD
• Dynamic Anesthesia Providers PLLC

  dba Houston Healthcare Associates

  • Anesthesiology Physician
  • Houston, TX
  • NPI 1346752326
  Medicare reassignment NPD
• Lake Granbury Hospital-Based Professional Services

  • Emergency Medicine Physician
  • Granbury, TX
  • NPI 1689443467

  Anesthesiology

  Medicare reassignment NPD
• U S Anesthesia Partners of Texas, PA

  • Interventional Pain Medicine Physician
  • Addison, TX
  • NPI 1053800391

  Anesthesiology

  NPD

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

• Christus Health Southeast Texas

  dba CHRISTUS Southeast Texas - St. Elizabeth

  • General Acute Care Hospital
  • Beaumont, TX
  • NPI 1679557888
  Care Compare affiliation
• Hendrick Medical Center

  • General Acute Care Hospital
  • Abilene, TX
  • NPI 1528064649
  Care Compare affiliation
• Memorial Hermann Health System

  dba MHHS NW Radiation Therapy

  • Radiology Clinic/Center
  • Houston, TX
  • NPI 1013948553

  Hospital

  Care Compare affiliation
• Memorial Hermann Health System

  dba MHHS Woodlands Outpatient Imaging System

  • Radiology Clinic/Center
  • The Woodlands, TX
  • NPI 1275564858

  Hospital

  Care Compare affiliation
• Memorial Hermann Health System

  dba Memorial Hermann Outpatient Imaging-Southwest

  • Radiology Clinic/Center
  • Houston, TX
  • NPI 1407959448

  Hospital

  Care Compare affiliation
• Memorial Hermann Health System

  dba MHHS Friendswood Imaging

  • Radiology Clinic/Center
  • Friendswood, TX
  • NPI 1508896267

  Hospital

  Care Compare affiliation
• Memorial Hermann Health System

  dba MHHS Pearland Outpatient Imaging Center

  • Radiology Clinic/Center
  • Pearland, TX
  • NPI 1669402335

  Hospital

  Care Compare affiliation
• Memorial Hermann Health System

  • General Acute Care Hospital
  • Houston, TX
  • NPI 1730132234
  Care Compare affiliation

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

{
    "created_epoch": "1560470400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768262400000",
    "number": "1710547575",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4000 SPENCER HWY",
            "city": "PASADENA",
            "state": "TX",
            "postal_code": "77504",
            "telephone_number": "713-359-2000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4000 SPENCER HWY",
            "city": "PASADENA",
            "state": "TX",
            "postal_code": "775045303",
            "telephone_number": "713-359-2000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TVRDIK",
        "first_name": "SAMUEL",
        "middle_name": "ALFRED",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-06-14",
        "last_updated": "2026-01-13",
        "certification_date": "2026-01-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "TX",
            "license": "U4652",
            "primary": true
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "TX",
            "license": "BP10067085",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jacqualine Cosper Truitt, MA, LPC, LMFT, NCC
• Brandon Truong, RPH
• Cuc Hoang Truong, DDS
• Thuy Hoang Truong, DDS02
• Laura Priscilla Tsend
• Twenty One Recovery and Consult, Inc.
• Kenneth Karl Tyer Jr.
• Brian Tyson
• Justin Tzou
• Uap SF Pasadena PLLC

• Anesthesiology Physician in Pasadena, TX
• Providers in Pasadena, TX by specialty
• Anesthesiology Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.