NPPES file of Aug 9, 2026

William B. Mehard, MD

Diagnostic Radiology Physician · Chesterfield, MO

William B. Mehard, MD is a diagnostic radiology physician with a practice address in Chesterfield, Missouri, and NPI 1548293673, issued on Jul 9, 2006. Check the license (Missouri 105364, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1548293673
Name
William B. Mehard
Credential
MD
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License numbers
105364 MO
036112582 IL
04330951 KS
39889 KY
MD459690 PA
and 4 more
Self-reported in NPPES; status is on the state search
Practice location
16091 Swingley Ridge RD Ste 100, Chesterfield, MO 63017
Phone
(314) 238-5260
Enumerated
Jul 9, 2006
Record last updated
Jul 24, 2025
Fax
(314) 821-1833
Medicaid IDs
209727817 MO
Q047518 TN
Medicare enrollment
Enrolled (PECOS I20041116000684); accepts Medicare assignment
Medical or professional school
Medical University Of South Carolina College Of Medicine, 1990
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 16091 Swingley Ridge RD Ste 100

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Archana Abhyankar, MDDiagnostic Radiology Physician1477710051
  2. Edward Downey, DODiagnostic Radiology Physician1861400467
  3. Jyothi Mandava, M.D.Psychiatry Physician1891809539

Verify William B. Mehard in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license 105364
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Missouri license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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8 hospitals and group practices

  1. Vanderbilt University Medical CenterNashville, TN · Acute Care Hospitals5 of 5 stars
  2. Missouri Delta Medical CenterSikeston, MO · Acute Care Hospitals2 of 5 stars
  3. Memphis Physicians Radiological Group PCWebster Groves, MO
  4. Savannah Chatham Imaging LLCWebster Groves, MO
  5. Surgical Institute OF Reading LLCReading, PA
  6. USA Radiology Management Solutions LLCHayti, MO
  7. USA Radiology OF Pennsylvania LLCHayti, MO
  8. West County Radiological Group IncSaint Louis, MO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

William B. Mehard among 976 diagnostic radiology physician records in Missouri

William B. Mehard, MD is one of 976 diagnostic radiology physician records with a practice address in Missouri. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.

  • NPI issued2006 · 7% of these records are older, 55% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated1990 · median 2006 among the 678 with a school on file
  • Record last updated2025 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Diagnostic Radiology Physician providers in Missouri

There are 976 diagnostic radiology physician records in Missouri.

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Inta Berzins, M.D.Chesterfield, MO 630171902839970
  2. Patrick Cabrera, DOChesterfield, MO 630171972545655
  3. Jennifer Demertzis, MDChesterfield, MO 630171245326966
  4. Gabriel Desimon, M.D.Chesterfield, MO 630171871526863
  5. Edward Downey, DOChesterfield, MO 630171861400467
  6. Charles Garvin, M.D.Chesterfield, MO 630171215960257
  7. Peter Holtz, MDChesterfield, MO 630171154459915
  8. Robert Kanterman, M.D.Chesterfield, MO 630171265450944

Common questions

What is William B. Mehard, MD's NPI number?

William B. Mehard, MD's National Provider Identifier (NPI) is 1548293673, issued on Jul 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William B. Mehard, MD located?

The NPPES record lists a practice address at 16091 Swingley Ridge RD Ste 100, Chesterfield, MO, 63017. Phone: (314) 238-5260. Providers update this record themselves, so call before visiting.

How can I verify William B. Mehard, MD's license?

NPPES lists Missouri license number 105364, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.