WILLIAM WESTON M.D.
NPI 1295750693
Emergency Medicine in Florissant, MO

Active since July 13, 2006PECOS EnrolledAccepts Medicare Assignment
1225 GRAHAM RD, FLORISSANT, MO 63031(314) 653-5000 Get Directions Write a Review

NPPES record last updated: November 17, 2009. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About William Weston M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM WESTON M.D. (NPI 1295750693) is an individual emergency medicine provider in Florissant, Missouri, licensed in Missouri (109052) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Memorial Hospital, and is a graduate of Washington University School Of Medicine (1991).

NPPES Registry Identity

NPI1295750693
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameWILLIAM WESTONCredential: M.D.
Location Address1225 GRAHAM RDFlorissant, MO 63031-8014
Mailing Address75 Remit Drive, Lockbox 6804Chicago, IL 60675-6804 · (866) 916-5259 · Fax (231) 922-4030
Sole ProprietorNo
Medical School CMSWashington University School Of MedicineGraduated 1991
Enumeration DateJuly 13, 2006
Last NPPES UpdateNovember 17, 2009
NPI 1295750693 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License Licensed in MO · 109052
Definition
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.
1225 GRAHAM RD, Florissant, MO 63031

Other Identifiers 6

Medicaid$$$$$$$$$-1IL
Medicare PIN938024748MO
Medicare UPING40150
Medicaid204014716MO
Medicaid$$$$$$$$$-3IL
Medicare PIN938024740MO

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

William Weston M.d. 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.

PECOS PAC ID8729021589
PECOS Enrollment IDI20170202002078
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
100 services97 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
50 services49 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
14 services14 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
11 services11 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Memorial Hospital

Acute Care Hospitals · Belleville, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140185
Location4500 Memorial DriveBelleville, IL 62226 · St. Clair County
Emergency services Birthing friendly

Progress West Hospital

Acute Care Hospitals · O Fallon, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260219
Location2 Progress Point PkwyO Fallon, MO 63368 · St. Charles County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63031 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$86.32 typical visit price
range $55.65 – $169.38
Typical copayment $21.58 (range $13.91 – $42.34)
Most-billed visit code 99203
Established Patient
$98.37 typical visit price
range $17.76 – $137.92
Typical copayment $24.59 (range $4.44 – $34.48)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Nurse Practitioner (Family)
1225 GRAHAM RD
FLORISSANT, MO 63031
Internal Medicine
1225 GRAHAM RD, STE 2320C
FLORISSANT, MO 63031
Clinic/Center (Primary Care)
1225 GRAHAM RD, SUITE 220
FLORISSANT, MO 63031
Community Health Worker
1225 GRAHAM RD
FLORISSANT, MO 63031
Nurse Practitioner
1225 GRAHAM RD, DEPT EMERGENCY MEDICINE
FLORISSANT, MO 63031
Student in an Organized Health Care Education/Training Program
1225 GRAHAM RD
FLORISSANT, MO 63031
Nurse Practitioner
1225 GRAHAM RD, DEPT EMERGENCY MEDICINE
FLORISSANT, MO 63031
Family Medicine
1225 GRAHAM RD, SUITE 2320C
FLORISSANT, MO 63031

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 William Weston's NPI number?

The NPI number for William Weston is 1295750693. It was assigned to this individual provider in the NPPES registry on July 13, 2006.

Where is William Weston located?

William Weston practices at 1225 Graham Rd, Florissant, MO 63031. The listed phone number is (314) 653-5000.

What is William Weston's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is William Weston enrolled in Medicare?

Yes. William Weston 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 William Weston affiliated with any hospitals?

According to CMS data, William Weston is affiliated with Memorial Hospital and Progress West Hospital.

When was this NPI record last updated?

The NPPES record for William Weston was last updated on November 17, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.