William Seid M.D.
About this NPIWhat this record shows.
NPI 1174563233 is registered to William Seid M.D., a Colon & Rectal Surgery Physician practising at 12255 Fair Lakes Pkwy, Kaiser Permanente Fair Oaks Medical Center in Fairfax, Virginia. Colon & Rectal Surgery Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. William Seid M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2006.
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
- I20180129000134Internal 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 William Seid M.D. accepts. To confirm in-network status with your specific health plan, contact William Seid M.D. directly at (703) 934-5770.
Frequently asked
Yes. NPI 1174563233 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Colon & Rectal Surgery Physician 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 (703) 934-5770.
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. William Seid M.D. is a Type-1 individual NPI.