William B. Mehard, MD

Diagnostic Radiology (CMS) · Chesterfield, MO

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At a glance

16091 Swingley Ridge Rd Ste 100, Chesterfield, MO 63017-2056

NPPES record updated Jul 24, 2025. Public records can lag behind changes at a practice.

Before you call: a quick checklist

Are you accepting new patients?
Do you accept my specific insurance plan?
Do you provide the service I need at this address?
Do I need a referral, and what is the earliest appointment?

Insurance participation and appointment availability are not established by these public records.

Medicare & insurance

Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.

How to check your coverage

Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.

Check the official Medicare directory ↗

Practice location

16091 Swingley Ridge Rd Ste 100
Chesterfield, MO 63017-2056

Additional reported practice locations

10010 Kennerly Rd
Saint Louis, MO 631282106
Phone: 3145254492
Fax: 3145254481

301 Tyson Ave
Paris, TN 382424544
Phone: 3142385260
Fax: 3148211833

751 Liberty St
Meadville, PA 163352559
Phone: 3142385260
Fax: 3148211833

202 Rosemont Ave
Webster Groves, MO 631192413
Phone: 6366750322

REPORTED BACKGROUND

Education & affiliations

Medical / professional school: Medical University Of South Carolina College Of Medicine
Graduation year: 1990
CMS specialties: Diagnostic Radiology

Practice groups

Reported hospital affiliations

Lecom Health Corry Memorial Hospital Corry, PA
Lecom Medical Center And Behavioral Health Pav Erie, PA
Mercy Hospital South Saint Louis, MO
Missouri Delta Medical Center Sikeston, MO
West Tennessee Healthcare Henry County Hospital Paris, TN

Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.

Source: CMS National Downloadable File · Published Oct 15, 2026.

Source: CMS Facility Affiliation Data · Published Oct 15, 2026.

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PUBLISHED MEDICARE ACTIVITY

Procedures in the public data

Reported activity can help you ask more informed questions about a practice’s services.

No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.

CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology

Source: CMS Utilization Data · Published Oct 15, 2026.

Find providers with a similar service mix

Compare 2024 published Medicare activity in the same reported specialty, here or in another city.

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PAYMENT TRANSPARENCY

Industry-reported general payments

No matching general-payment summary in the imported release. This is not a verified zero and does not rule out other payment types or years.

Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.

Professional details: NPI, taxonomy & registry record

NPI1548293673

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Registry details

Primary taxonomy: Diagnostic Radiology (CMS)
Taxonomy code: 2085R0202X
Enumeration date: Jul 9, 2006
Record updated: Jul 24, 2025

More registry details

Provider type: Individual · Type 1
Reported credentials: MD