DR. BRET ALLEN RIEGEL M.D.
NPI 1851375323
Emergency Medicine in Washington, MO

Active since November 30, 2005PECOS Enrolled
501 E 5TH ST, WASHINGTON, MO 63090(636) 239-8000 Get Directions Write a Review

NPPES record last updated: November 26, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Bret Allen Riegel M.d. NPPES

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

DR. BRET ALLEN RIEGEL M.D. (NPI 1851375323) is an individual emergency medicine provider in Washington, Missouri, licensed in Missouri (113187) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1851375323
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. BRET ALLEN RIEGELCredential: M.D.
Location Address501 E 5TH STWashington, MO 63090-2903
Mailing Address501 E 5th StWashington, MO 63090-2903 · (636) 239-8000
Sole ProprietorNo
Enumeration DateNovember 30, 2005
Last NPPES UpdateNovember 26, 2007
✔ NPI 1851375323 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 · 113187
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.
501 E 5TH ST, Washington, MO 63090

Other Identifiers 1

Medicare UPINH04134MO

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Bret Allen Riegel M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignments

5

Medicare enrollment records show Bret Riegel reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Rural Health
851 E 5TH ST, SUITE 200
Washington, MO 63090
  • Reassigned Medicare billing, Missouri enrollment
  • 178 clinicians in this Medicare group
Critical Access
1000 E CHERRY ST
Troy, MO 63379
  • Reassigned Medicare billing, Missouri enrollment
  • 229 clinicians in this Medicare group
Clinic/Center
615 S NEW BALLAS RD
Saint Louis, MO 63141
  • Reassigned Medicare billing, Missouri enrollment
  • Also billed through NPI 1427098169 (Missouri)
  • 435 clinicians in this Medicare group
General Acute Care Hospital
10010 KENNERLY RD
Saint Louis, MO 63128
  • Reassigned Medicare billing, Missouri enrollment
  • 186 clinicians in this Medicare group
General Acute Care Hospital
1400 HIGHWAY 61
Festus, MO 63028
  • Reassigned Medicare billing, Missouri enrollment
  • 118 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 2

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 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.
49 services49 patients
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.
36 services36 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63090 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
$81.64 typical visit price
range $52.28 – $161.24
Typical copayment $20.41 (range $13.07 – $40.31)
Most-billed visit code 99203
Established Patient
$93.24 typical visit price
range $16.30 – $131.05
Typical copayment $23.31 (range $4.07 – $32.76)
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.

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 Bret Riegel's NPI number?

The NPI number for Bret Riegel is 1851375323. It was assigned to this individual provider in the NPPES registry on November 30, 2005.

Where is Bret Riegel located?

Bret Riegel practices at 501 E 5th St, Washington, MO 63090. The listed phone number is (636) 239-8000.

What is Bret Riegel's specialty?

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

Is Bret Riegel enrolled in Medicare?

Yes. Bret Riegel is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Bret Riegel's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Bret Riegel reassigns Medicare benefits to 5 organizations: Mercy Hospitals East Communities (Washington, MO), Mercy Hospital Lincoln (Troy, MO), Mercy Hospitals East Communities (Saint Louis, MO), Mercy Hospital South (Saint Louis, MO) and Mercy Hospital Jefferson (Festus, MO). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Bret Riegel's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Bret Riegel accept?

Health plans from Anthem Blue Cross and Blue Shield list Bret Riegel as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Bret Riegel was last updated on November 26, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.