Dr. Michael William MD
About this NPIWhat this record shows.
NPI 1669931440 is registered to Dr. Michael William MD, a Sleep Medicine practising at 2840 Legacy Dr Ste 400 in Frisco, Texas. Sleep Medicine is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Michael William MD has been enumerated in the National Provider Identifier (NPI) registry since 2019.
Your brand here.
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
- I20230908002537Internal MedicineTX
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. Michael William MD accepts. To confirm in-network status with your specific health plan, contact Dr. Michael William MD directly at (469) 200-6100.
Frequently asked
Yes. NPI 1669931440 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Sleep Medicine 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 (469) 200-6100.
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. Michael William MD is a Type-1 individual NPI.