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DR. JARON MADSEN DO
NPI 1578203303
Anesthesiology in Saint Louis, MO

Active since March 30, 2022PECOS Enrolled
1402 S GRAND BLVD # M260, SAINT LOUIS, MO 63104(314) 977-9852 Get Directions Write a Review

NPPES record last updated: April 8, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 8, 2026, Apr 5, 2025 (2 updates tracked since 2025).

About Dr. Jaron Madsen Do NPPES

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

DR. JARON MADSEN DO (NPI 1578203303) is an individual anesthesiology provider in Saint Louis, Missouri, licensed in Arizona (012021) and active in the NPI registry since March 2022. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1578203303
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. JARON MADSENCredential: DO
Location Address1402 S GRAND BLVD # M260Saint Louis, MO 63104-1004
Mailing Address9454 E Fenimore RdMesa, AZ 85207-5251 · (480) 246-2326
Phone(314) 977-9852
Sole ProprietorNo
Enumeration DateMarch 30, 2022
Last NPPES UpdateApril 8, 20262 updates tracked since enumeration
NPPES CertifiedApril 8, 2026
✔ NPI 1578203303 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in AZ · 012021
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
1402 S GRAND BLVD # M260, Saint Louis, MO 63104
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health Plan, Inc..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. Jaron Madsen Do 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 Reassignment

Medicare enrollment records show Jaron Madsen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Banner - University Hospital Based Physicians LLC
1,269 mi
General Acute Care Hospital
2901 N CENTRAL AVE STE 160
Phoenix, AZ 85012
  • Reassigned Medicare billing, Arizona enrollment
  • 728 clinicians in this Medicare group
NPI 1750751566 (602) 747-4000

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

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.

ANDRE CAMILLE JOSEPH III MD
Student in an Organized Health Care Education/Training Program
1402 S GRAND BLVD # M260
SAINT LOUIS, MO 63104
St. Louis City (314) 257-8000
JONATHAN F BREWER MD
Student in an Organized Health Care Education/Training Program
1402 S GRAND BLVD # M260
SAINT LOUIS, MO 63104
St. Louis City (314) 617-2919
RAINA D PATEL DO
Student in an Organized Health Care Education/Training Program
1402 S GRAND BLVD # M260
SAINT LOUIS, MO 63104
St. Louis City (314) 617-2408
NICHOLAS AFSHARI
Student in an Organized Health Care Education/Training Program
1402 S GRAND BLVD # M260
SAINT LOUIS, MO 63104
St. Louis City (314) 977-9851
JOSEPH HOYLE
Student in an Organized Health Care Education/Training Program
1402 S GRAND BLVD # M260
SAINT LOUIS, MO 63104
St. Louis City (314) 617-2359
BLAKE ANDERSON DO
Student in an Organized Health Care Education/Training Program
1402 S GRAND BLVD # M260
SAINT LOUIS, MO 63104
St. Louis City (618) 210-5609
ALIZABETH WEBER MD
Otolaryngology
1402 S GRAND BLVD # M260
SAINT LOUIS, MO 63104
St. Louis City (509) 844-6535
DR. MICHAEL LUGO MD
Student in an Organized Health Care Education/Training Program
1402 S GRAND BLVD # M260
SAINT LOUIS, MO 63104
St. Louis City (714) 345-8727

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 Jaron Madsen's NPI number?

The NPI number for Jaron Madsen is 1578203303. It was assigned to this individual provider in the NPPES registry on March 30, 2022.

Where is Jaron Madsen located?

Jaron Madsen practices at 1402 S Grand Blvd # M260, Saint Louis, MO 63104. The listed phone number is (314) 977-9852.

What is Jaron Madsen's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Jaron Madsen enrolled in Medicare?

Yes. Jaron Madsen is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Jaron Madsen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jaron Madsen reassigns Medicare benefits to Banner - University Hospital Based Physicians LLC (Phoenix, AZ). The 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 Jaron Madsen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jaron Madsen accept?

Health plans from Oscar Health Plan, Inc. list Jaron Madsen 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 Jaron Madsen was last updated on April 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.