Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

William Seid, MD

Individual provider Colon & Rectal Surgery Physician · NPI 1174563233

William Seid, MD is a Colon & Rectal Surgery Physician in Fairfax, Virginia. Practices as a sole proprietor. Licensed in Virginia.

Licensed in
VA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

12255 Fair Lakes Pkwy Kaiser Permanente Fair Oaks Medical Ctr
Fairfax, VA 22033-3952
Phone: (703) 934-5770
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Colon & Rectal Surgery Physician (primary) Taxonomy 208C00000X · Licence 0101047062 (VA)

Record details

NPI number1174563233
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 7, 2006
Last updated in NPPESDecember 5, 2017
Mailing address2101 E Jefferson St, Kaiser Permanente Medicare Enrollment, Rockville, MD 20852-4908

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