Marian Yvette Williams-Brown, MD
Gynecological Oncology · Obstetrics/Gynecology (CMS) · Austin, TX
At a glance
1601 Trinity St Stop 804, Austin, TX 78712-1866
Published activity: Removal of the uterus. View counts and coverage
NPPES record updated Jan 15, 2025. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
1601 Trinity St Stop 804Austin, TX 78712-1866
Education & affiliations
- Medical / professional school
- Tulane University School Of Medicine
- Graduation year
- 2004
- CMS specialties
- Gynecological Oncology · Obstetrics/Gynecology
CMS reports telehealth services for this clinician. Confirm current services and availability with the practice.
Practice groups
- Seton Family Of Doctors
- The University Of Texas At Austin
- University Of Texas At Austin Dell Medical School
Reported hospital affiliations
- Ascension Seton Medical Center Austin Austin, TX
- Dell Seton Med Center At The University Of Tx Austin, TX
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
| Procedure category | Published Medicare activity |
|---|---|
| Removal of the uterus | 1-10 |
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Service-mix comparison is unavailable for this NPI in the imported Medicare service file.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $481.46 |
Reporting companies
| Company | Amount |
|---|---|
| BIOTISSUE HOLDINGS INC. | $361.66 |
| ASTRAZENECA PHARMACEUTICALS LP | $46.94 |
| HOLOGIC SALES AND SERVICE, LLC | $36.23 |
| PHARMAAND GMBH | $19.98 |
| ABBVIE INC. | $16.65 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Gynecological Oncology · Obstetrics/Gynecology (CMS)
- Taxonomy code
- 207VX0201X
- Enumeration date
- Jun 14, 2007
- Record updated
- Jan 15, 2025
More registry details
- Provider type
- Individual · Type 1
- Other reported name
- MARIAN YVETTE WILLIAMS
- Reported credentials
- MD
Reported taxonomies and licenses
207V00000X
License reported: N0554 TX
207VX0201X · Primary
License reported: N0554 TX
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
1601 Trinity St Stop 804Austin, TX 78712-1866
- Phone
- (512) 324-7865
Mailing address
7303 KAPOK LNAUSTIN, TX 787593735
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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