DR. MICHAEL WARREN WILLMAN MD
NPI 1427494251
Emergency Medicine in Saint Peters, MO
About Dr. Michael Warren Willman Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MICHAEL WARREN WILLMAN MD (NPI 1427494251) is an individual emergency medicine provider in Saint Peters, Missouri, licensed in Missouri (2015025824) and active in the NPI registry since May 2013. He is enrolled in Medicare PECOS, is affiliated with Barnes-jewish St Peters Hospital, and is a graduate of Saint Louis University School Of Medicine (2013).
NPPES Registry Identity
Specialties & Licenses
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Michael Warren Willman Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Barnes-Jewish St Peters Hospital
Acute Care Hospitals · Saint Peters, MOProgress West Hospital
Acute Care Hospitals · O Fallon, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63376 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAINT PETERS, MO 63376
SAINT PETERS, MO 63376
SAINT PETERS, MO 63376
SAINT PETERS, MO 63376
SAINT PETERS, MO 63376
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Michael Willman's NPI number?
The NPI number for Michael Willman is 1427494251. It was assigned to this individual provider in the NPPES registry on May 20, 2013.
Where is Michael Willman located?
Michael Willman practices at 10 Hospital Dr Dept Emergency Med, Saint Peters, MO 63376. The listed phone number is (314) 362-9123.
What is Michael Willman's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Michael Willman enrolled in Medicare?
Yes. Michael Willman is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Is Michael Willman affiliated with any hospitals?
According to CMS data, Michael Willman is affiliated with Barnes-Jewish St Peters Hospital and Progress West Hospital.
When was this NPI record last updated?
The NPPES record for Michael Willman was last updated on July 14, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.
