STEVEN ONSTAD MD
NPI 1215987284
Anesthesiology in Missoula, MT
About Steven Onstad Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEVEN ONSTAD MD (NPI 1215987284) is an individual anesthesiology provider in Missoula, Montana, licensed in Montana (10764) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with St. Patrick Hospital, and is a graduate of Oregon Health Sciences University School Of Medicine (2001).
NPPES Registry Identity
Specialties & Licenses
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.
Other Identifiers 1
Accepted Insurance
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
Steven Onstad 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 5
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.
St. Patrick Hospital
Acute Care Hospitals · Missoula, MTCommunity Medical Center
Acute Care Hospitals · Missoula, MTOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MISSOULA, MT 59808
MISSOULA, MT 59808
MISSOULA, MT 59808
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 Steven Onstad's NPI number?
The NPI number for Steven Onstad is 1215987284. It was assigned to this individual provider in the NPPES registry on May 11, 2006.
Where is Steven Onstad located?
Steven Onstad practices at 2825 Stockyard Rd, Missoula, MT 59808. The listed phone number is (406) 728-8420.
What is Steven Onstad's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Steven Onstad enrolled in Medicare?
Yes. Steven Onstad 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.
What insurance does Steven Onstad accept?
Health plans from Blue Cross and Blue Shield of Montana and Mountain Health CO-OP list Steven Onstad 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.
Is Steven Onstad affiliated with any hospitals?
According to CMS data, Steven Onstad is affiliated with St. Patrick Hospital and Community Medical Center.
When was this NPI record last updated?
The NPPES record for Steven Onstad was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.
