Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Obstetrics/Gynecology

Olivia Dziadek, MD

Works at hospitals in Nassau Bay, TX · Houston, TX · Sugar Land, TX · Texas

Summary

Olivia Dziadek, MD (Obstetrics/Gynecology) is listed by Medicare at 4 hospitals in Nassau Bay, TX, Houston, TX and Sugar Land, TX. NPI 1659647311. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Olivia Dziadek, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Obstetrics/GynecologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
14Years since medical school (graduated 2012)
FemaleGender (as listed)

Quick answers

Which hospitals does Olivia Dziadek work at?
Medicare's official clinician data lists Olivia Dziadek at 4 hospitals: Houston Methodist Clear Lake Hospital, Houston Methodist Hospital, Memorial Hermann - Texas Medical Center and Memorial Hermann Sugar Land Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Olivia Dziadek see patients?
Medicare's clinician data lists 4 practice locations, including Pearland, TX and Houston, TX. Call before your visit to confirm the address.
What is Olivia Dziadek's specialty?
Medicare lists Obstetrics/Gynecology as the primary specialty.
Does Olivia Dziadek accept Medicare assignment?
Yes. Medicare's clinician data says Olivia Dziadek accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Olivia Dziadek offer telehealth?
Medicare's clinician data says Olivia Dziadek offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Olivia Dziadek?
(713) 413-5000, as listed in official Medicare / NPI Registry data.
What is Olivia Dziadek's NPI number?
1659647311. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Olivia Dziadek works

Medicare's Facility Affiliation Data lists Olivia Dziadek at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Olivia Dziadek is enrolled with Medicare (CMS data updated 2026-10-02).

  • 16100 S FwyPearland, TX 77584 (713) 413‑5000
  • 6445 Main St, Suite 2500Houston, TX 77030 (713) 441‑3150
  • 6565 Fannin StHouston, TX 77030
  • 6565 Fannin St, Suite 520Houston, TX 77030

Group practices

Medicare enrollment lists Olivia Dziadek as a member of these groups (CMS data updated 2026-10-02).

  • UT Physicians1,765 clinicians in the group
  • Houston Methodist Specialty Physicians1,528 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Texas →

Other OB-GYNs in Pearland

Clinicians with the same Medicare primary specialty in Pearland, TX — not a recommendation.

All OB-GYNs in Pearland →

Clinician information

CredentialMD
Graduation year2012
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1659647311
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians