William Weston, M.D.
Emergency Medicine Physician · Florissant, MO
William Weston, M.D. is an emergency medicine physician with a practice address in Florissant, Missouri, and NPI 1295750693, issued on Jul 13, 2006. Check the license (Missouri 109052, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- William Weston
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 109052 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1225 Graham RD, Florissant, MO 63031
- Phone
- (314) 653-5000
- Enumerated
- Jul 13, 2006
- Record last updated
- Nov 17, 2009 (not updated in 17 years: call before relying on the address or phone)
- Medicaid ID
- 204014716 MO
- Medicare enrollment
- Enrolled (PECOS I20170202002078); accepts Medicare assignment
- Medical or professional school
- Washington University School Of Medicine, 1991
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,405 in Missouri → Look up another NPI →
Also registered at 1225 Graham RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Yolanda Acklin, NPNurse Practitioner1881790996
- Anne Anderson, MDPediatric Emergency Medicine (Pediatrics) Physician1851885859
- Charmaine Ansari, MDInternal Medicine Physician1972613297
- Katherine Austin, MDPediatrics Physician1467409797
- Jane Beato, RN, CS, FNPFamily Nurse Practitioner1972502870
- Jamie Brozek, PHYSICIAN ASSISTANTPhysician Assistant1801083530
Verify William Weston in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 109052Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
35% fewer Medicare Part D claims than the average emergency medicine physician in 2024
147 Medicare Part D claims for 97 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 38 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen22 claims
- Ondansetron Odt20 claims
- Cephalexin14 claims
- Oxycodone-Acetaminophen12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- Emergency Services Midwest SCBelleville, IL
- Southeastern Emergency Physicians OF Memphis LLCAlton, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Weston among 1,405 emergency medicine physician records in Missouri
William Weston, M.D. is one of 1,405 emergency medicine physician records with a practice address in Missouri. 80% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 59% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1991 · median 2012 among the 808 with a school on file
- Record last updated2009 · 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 207P00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Missouri
There are 1,405 emergency medicine physician records in Missouri.
All 1,405 in Missouri → Every provider in Florissant → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Michael Matar, MDFlorissant, MO 630311861722803
- Thomas Shine, M.D.Florissant, MO 630311861417255
- Roger Waxelman, M.D.Florissant, MO 630311487679882
- Scott McClure, M.D.Florissant, MO 630331326307752
- Andrew Harrelson, MDFestus, MO 630281831833151
- Brian Heberer, D.O.Festus, MO 630281588004329
- Erik Hume, DOFestus, MO 630281689052904
- Basem Khishfe, M.D.Festus, MO 630281760790802
Common questions
What is William Weston, M.D.'s NPI number?
William Weston, M.D.'s National Provider Identifier (NPI) is 1295750693, issued on Jul 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Weston, M.D. located?
The NPPES record lists a practice address at 1225 Graham RD, Florissant, MO, 63031. Phone: (314) 653-5000. Providers update this record themselves, so call before visiting.
How can I verify William Weston, M.D.'s license?
NPPES lists Missouri license number 109052, 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.
How much does William Weston, M.D. prescribe under Medicare Part D?
In 2024, William Weston, M.D. had 147 Medicare Part D claims for 97 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
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.