DR. NEIL R GUENTHER M.D.
NPI 1609859404
Anesthesiology in Milwaukee, WI
About Dr. Neil R Guenther M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. NEIL R GUENTHER M.D. (NPI 1609859404) is an individual anesthesiology provider in Milwaukee, Wisconsin, licensed in Wisconsin (25937-020) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, is affiliated with Aurora St Lukes Medical Center, and is a graduate of Medical College Of Wisconsin (1983).
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 2
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
Dr. Neil R Guenther 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.
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Aurora St Lukes Medical Center
Acute Care Hospitals · Milwaukee, WIOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MILWAUKEE, WI 53215
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 Neil Guenther's NPI number?
The NPI number for Neil Guenther is 1609859404. It was assigned to this individual provider in the NPPES registry on November 25, 2005.
Where is Neil Guenther located?
Neil Guenther practices at 2900 W Oklahoma Ave, Milwaukee, WI 53215. The listed phone number is (414) 649-6000.
What is Neil Guenther's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Neil Guenther enrolled in Medicare?
Yes. Neil Guenther 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 Neil Guenther accept?
Health plans from CareSource (Common Ground Healthcare) list Neil Guenther 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 Neil Guenther affiliated with any hospitals?
According to CMS data, Neil Guenther is affiliated with Aurora St Lukes Medical Center.
When was this NPI record last updated?
The NPPES record for Neil Guenther was last updated on December 1, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.