Doctor profile · Federal record

Dr. John Wilmas, M.D.

Emergency Medicine Physician (CMS: Emergency Medicine) · Saint Louis, MO

  • NPI 1952406142
  • Accepts Medicare
  • 30 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
615 S New Ballas RD, Dept of Emergency Medicine
Saint Louis, MO 631418221
(314) 251-6816

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
July 25, 2014
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Missouri #2003003353
Medicaid
MO #1952406142

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1952406142. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
92
Distinct HCPCS
2
Medicare allowed
$14,468
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 62 61 $175
99284 Emergency department visit with moderate level of medical decision making 30 30 $120

In context: peer comparison

Among 121 peers in Saint Louis Emergency Medicine Physician, average services per provider: 92. This provider delivers 1.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
18
Patients
18
Total drug cost
$139
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 18 18 $139

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Wilmas's medical specialty?
Dr. John Wilmas practices Emergency Medicine Physician in Saint Louis, MO.
Where does Dr. John Wilmas practice?
Dr. John Wilmas practices at 615 S New Ballas RD, Saint Louis, MO 631418221. Office phone: 3142516816.
What is Dr. John Wilmas's NPI?
Dr. John Wilmas's National Provider Identifier (NPI) is 1952406142, issued by NPPES.
Does Dr. John Wilmas accept Medicare assignment?
Yes. Dr. John Wilmas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Wilmas 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). Source: CMS Medicare Physician & Other Practitioners file.