Dr. Marian Williams-Brown MD
Also known as
- Formerly known asWilliams, Marian Yvette
Source: NPPES public registry.
About this NPIWhat this record shows.
NPI 1861696460 is registered to Dr. Marian Williams-Brown MD, a Gynecologic Oncology practising at 1601 Trinity St Stop 804 in Austin, Texas. Gynecologic Oncology is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Marian Williams-Brown MD has been enumerated in the National Provider Identifier (NPI) registry since 2007.
Medicare enrollment
This provider holds a Medicare enrollment on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20090806000127Obstetrics/GynecologyTX
Source: CMS PECOS public enrollment file.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Dr. Marian Williams-Brown MD accepts. To confirm in-network status with your specific health plan, contact Dr. Marian Williams-Brown MD directly at (512) 324-7865.
Frequently asked
Yes. NPI 1861696460 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Gynecologic Oncology is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (512) 324-7865.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Dr. Marian Williams-Brown MD is a Type-1 individual NPI.