SAMUEL ALFRED TVRDIK MD
NPI 1710547575
Anesthesiology in Pasadena, TX

Active since June 14, 2019PECOS EnrolledAccepts Medicare Assignment
4000 SPENCER HWY, PASADENA, TX 77504(713) 359-2000 Get Directions Write a Review

NPPES record last updated: January 13, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 13, 2026, Jun 14, 2019 (2 updates tracked since 2019).

About Samuel Alfred Tvrdik Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SAMUEL ALFRED TVRDIK MD (NPI 1710547575) is an individual anesthesiology provider in Pasadena, Texas, licensed in Texas (U4652) and active in the NPI registry since June 2019. He is enrolled in Medicare PECOS, is affiliated with Christus Southeast Texas- St Elizabeth, and is a graduate of Tulane University School Of Medicine (2019).

NPPES Registry Identity

NPI1710547575
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameSAMUEL ALFRED TVRDIKCredential: MD
Location Address4000 SPENCER HWYPasadena, TX 77504-5303
Mailing Address4000 Spencer HwyPasadena, TX 77504 · (713) 359-2000
Sole ProprietorNo
Medical School CMSTulane University School Of MedicineGraduated 2019
Enumeration DateJune 14, 2019
Last NPPES UpdateJanuary 13, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 13, 2026
✔ NPI 1710547575 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
Licenses✔ Licensed in TX · U4652✔ Licensed in TX · BP10067085
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
4000 SPENCER HWY, Pasadena, TX 77504

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Samuel Alfred Tvrdik Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6204161417
PECOS Enrollment IDI20230728001072
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

6

Medicare enrollment records show Samuel Tvrdik reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Anesthesiology
333 N TEXAS AVE
Webster, TX 77598
  • Reassigned Medicare billing, Texas enrollment
  • 403 clinicians in this Medicare group
Anesthesiology
510 W TIDWELL RD
Houston, TX 77091
  • Reassigned Medicare billing, Texas enrollment
  • 319 clinicians in this Medicare group
Anesthesiology
1500 CITYWEST BLVD, SUITE 300
Houston, TX 77042
  • Reassigned Medicare billing, Texas enrollment
  • Medicare enrollment name: U S Anesthesia Partners Of Texas, PA
  • 3,804 clinicians in this Medicare group
Emergency Medicine
1310 PALUXY RD
Granbury, TX 76048
  • Reassigned Medicare billing, Texas enrollment
  • 123 clinicians in this Medicare group
Anesthesiology
4100 INTERNATIONAL PLZ STE 800
Fort Worth, TX 76109
  • Reassigned Medicare billing, Texas enrollment
  • 1,612 clinicians in this Medicare group
Specialist
1900 PINE ST
Abilene, TX 79601
  • Reassigned Medicare billing, Texas enrollment
  • 204 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Christus Southeast Texas- St Elizabeth

Acute Care Hospitals · Beaumont, TX
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450034
Location2830 Calder AvenueBeaumont, TX 77702 · Jefferson County
Emergency services Birthing friendly

Memorial Hermann Hospital System

Acute Care Hospitals · Houston, TX
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450184
Location1635 North Loop WestHouston, TX 77008 · Harris County
Emergency services Birthing friendly

Hendrick Medical Center

Acute Care Hospitals · Abilene, TX
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450229
Location1900 PineAbilene, TX 79601 · Taylor County
Emergency services Birthing friendly

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Anesthetist, Certified Registered
4000 SPENCER HWY
PASADENA, TX 77504
Nurse Anesthetist, Certified Registered
4000 SPENCER HWY
PASADENA, TX 77504
Emergency Medicine
4000 SPENCER HWY
PASADENA, TX 77504
Nurse Practitioner (Critical Care Medicine)
4000 SPENCER HWY
PASADENA, TX 77504
Nurse Anesthetist, Certified Registered
4000 SPENCER HWY
PASADENA, TX 77504
Nurse Practitioner (Acute Care)
4000 SPENCER HWY
PASADENA, TX 77504
Anesthesiology
4000 SPENCER HWY
PASADENA, TX 77504
Emergency Medicine
4000 SPENCER HWY
PASADENA, TX 77504

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Samuel Tvrdik's NPI number?

The NPI number for Samuel Tvrdik is 1710547575. It was assigned to this individual provider in the NPPES registry on June 14, 2019.

Where is Samuel Tvrdik located?

Samuel Tvrdik practices at 4000 Spencer Hwy, Pasadena, TX 77504. The listed phone number is (713) 359-2000.

What is Samuel Tvrdik's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Samuel Tvrdik enrolled in Medicare?

Yes. Samuel Tvrdik is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Samuel Tvrdik's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Samuel Tvrdik reassigns Medicare benefits to 6 organizations: Compass Anesthesia Providers PLLC (Webster, TX), Dynamic Anesthesia Providers PLLC (Houston, TX), U. S. Anesthesia Partners Of Texas, P.A., (Houston, TX), Lake Granbury Hospital-Based Professional Services (Granbury, TX), Emergenchealth PLLC (Fort Worth, TX) and 1 more organization, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Samuel Tvrdik's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Samuel Tvrdik accept?

Health plans from Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas and Oscar Insurance Company list Samuel Tvrdik as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Samuel Tvrdik affiliated with any hospitals?

According to CMS data, Samuel Tvrdik is affiliated with Christus Southeast Texas- St Elizabeth, Memorial Hermann Hospital System and Hendrick Medical Center.

When was this NPI record last updated?

The NPPES record for Samuel Tvrdik was last updated on January 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.