DR. OLIVIA LISA DZIADEK M.D.
NPI 1659647311
Obstetrics & Gynecology in Houston, TX
About Dr. Olivia Lisa Dziadek M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. OLIVIA LISA DZIADEK M.D. (NPI 1659647311) is an individual obstetrics & gynecology provider in Houston, Texas, licensed in Texas (Q8467) and active in the NPI registry since March 2012. She is enrolled in Medicare PECOS, is affiliated with Memorial Hermann - Texas Medical Center, and is a graduate of Other (2012).
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
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
Dr. Olivia Lisa Dziadek M.d. 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.
Medicare Billing Reassignments
2Medicare enrollment records show Olivia Dziadek reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Houston, TX 77030
- Reassigned Medicare billing, Texas enrollment
- 3,111 clinicians in this Medicare group
Houston, TX 77030
- Reassigned Medicare billing, Texas enrollment
- 1,579 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.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Memorial Hermann - Texas Medical Center
Acute Care Hospitals · Houston, TXHouston Methodist Hospital
Acute Care Hospitals · Houston, TXHouston Methodist Clear Lake Hospital
Acute Care Hospitals · Nassau Bay, TXMemorial Hermann Sugar Land Hospital
Acute Care Hospitals · Sugar Land, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77030 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 17
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HOUSTON, TX 77030
HOUSTON, TX 77030
HOUSTON, TX 77030
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 Olivia Dziadek's NPI number?
The NPI number for Olivia Dziadek is 1659647311. It was assigned to this individual provider in the NPPES registry on March 28, 2012.
Where is Olivia Dziadek located?
Olivia Dziadek practices at 6410 Fannin St Ste 250, Houston, TX 77030. The listed phone number is (832) 325-7131.
What is Olivia Dziadek's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Olivia Dziadek enrolled in Medicare?
Yes. Olivia Dziadek 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 Olivia Dziadek's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Olivia Dziadek reassigns Medicare benefits to 2 organizations: Ut Physicians (Houston, TX) and Houston Methodist Specialty Physicians (Houston, TX). 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 Olivia Dziadek's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Olivia Dziadek affiliated with any hospitals?
According to CMS data, Olivia Dziadek is affiliated with Memorial Hermann - Texas Medical Center, Houston Methodist Hospital, Houston Methodist Clear Lake Hospital and Memorial Hermann Sugar Land Hospital.
When was this NPI record last updated?
The NPPES record for Olivia Dziadek was last updated on July 23, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.