Doctor profile · Federal record

Dr. William Weston, M.D.

Emergency Medicine Physician (CMS: Emergency Medicine) · Florissant, MO

  • NPI 1295750693
  • Accepts Medicare
  • 35 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1225 Graham RD
Florissant, MO 630318014
(314) 653-5000
Mailing address
75 Remit Drive, Lockbox 6804
Chicago, IL 606756804

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
November 17, 2009
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Missouri #109052
Medicaid
MO #204014716

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1295750693. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
160
Distinct HCPCS
3
Medicare allowed
$25,672
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 94 90 $172
99284 Emergency department visit with moderate level of medical decision making 47 47 $118
99291 Critical care, first 30-74 minutes 19 17 $208

In context: peer comparison

Among 2 peers in this city , average services per provider: 148. This provider delivers 1.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
33
Patients
33
Total drug cost
$135
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 21 21 $72
Ondansetron Odt (Ondansetron) Brand 12 12 $64

Frequently asked questions

Auto-generated from federal data
What is Dr. William Weston's medical specialty?
Dr. William Weston practices Emergency Medicine Physician in Florissant, MO.
Where does Dr. William Weston practice?
Dr. William Weston practices at 1225 Graham RD, Florissant, MO 630318014. Office phone: 3146535000.
What is Dr. William Weston's NPI?
Dr. William Weston's National Provider Identifier (NPI) is 1295750693, issued by NPPES.
Does Dr. William Weston accept Medicare assignment?
Yes. Dr. William Weston accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Weston commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.