WILLIAM L. SIMPSON (M.D.) – Internal Medicine Physician, NPI 1124092309

WILLIAM L. SIMPSON (M.D.) is a healthcare provider. based in Warrenton, Virginia. specializing in Internal Medicine Physician. They hold the professional credentials M.D.. They hold a License No. 0101048951 (VA). The NPI Number for WILLIAM L. SIMPSON (M.D.) is 1124092309

Main info

Male
Sole Proprietor
Name
WILLIAM L. SIMPSON (M.D.)
NPI
1124092309
Phone
(833) 362-8800
Address
332 W LEE HWY # 251
Enumeration Date
15 February 2006
Last Update Date
25 July 2025
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience64
Completeness85
Years active:20State licenses:1Digital endpointsOther names

Provider Addresses for WILLIAM L. SIMPSON (M.D.)

  • 332 W LEE HWY # 251

    WARRENTON, VA 201862428

    Phone: (833) 362-8800

    Fax: (540) 351-8650

    Type: Mailing

  • 164, Old Orchard Lane, Warrenton, Fauquier County, Virginia, 20186, United States

    WARRENTON, VA 201862502

    Phone: (540) 347-4783

    Fax: (540) 347-4783

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

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Medicare Enrollment & Revalidation

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Medicare Utilization (FFS)

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No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 20186)

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Frequently asked questions

Is there an official ID for WILLIAM L. SIMPSON (M.D.) in U.S. healthcare records?
The official identifier for WILLIAM L. SIMPSON (M.D.) is NPI 1124092309.
Is WILLIAM L. SIMPSON (M.D.) shown as active in public data?
Registry records indicate WILLIAM L. SIMPSON (M.D.) maintains an active NPI.
What expertise is attributed to WILLIAM L. SIMPSON (M.D.)?
WILLIAM L. SIMPSON (M.D.)'s specialty line reads Internal Medicine Physician. Clinical services aligned with this taxonomy classification.
What practice footprint exists for WILLIAM L. SIMPSON (M.D.)?
Travel planning: use Warrenton, Virginia as the reference point for WILLIAM L. SIMPSON (M.D.), then confirm.
When was this NPI issued?
Enumeration for WILLIAM L. SIMPSON (M.D.) is noted as February 15, 2006 where the registry provides it.

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