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DR. WILLIAM BRETT GUTHMILLER DO
NPI 1427626662
Anesthesiology in Omaha, NE

Active since June 14, 2021PECOS EnrolledAccepts Medicare Assignment
42ND AND EMILE, OMAHA, NE 68198(402) 559-4000 Get Directions Write a Review

NPPES record last updated: January 23, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. William Brett Guthmiller Do NPPES

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

DR. WILLIAM BRETT GUTHMILLER DO (NPI 1427626662) is an individual anesthesiology provider in Omaha, Nebraska, licensed in Nebraska (TEP9275) and active in the NPI registry since June 2021. He is enrolled in Medicare PECOS, is affiliated with Orange City Area Health System, and is a graduate of University Of Nebraska College Of Medicine (2025).

NPPES Registry Identity

NPI1427626662
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. WILLIAM BRETT GUTHMILLERCredential: DO
Location Address42ND AND EMILEOmaha, NE 68198-3203
Mailing Address42nd And EmileOmaha, NE 68198-0001
Phone(402) 559-4000
Sole ProprietorNo
Medical School CMSUniversity Of Nebraska College Of MedicineGraduated 2025
Enumeration DateJune 14, 2021
Last NPPES UpdateJanuary 23, 2025
NPPES CertifiedJanuary 23, 2025
✔ NPI 1427626662 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in NE · TEP9275
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 ListedSurgeryTaxonomy 208600000X · License R-12220 (IA)
42ND AND EMILE, Omaha, NE 68198
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Home State Health, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and more.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. William Brett Guthmiller Do 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 ID5193100501
PECOS Enrollment IDI20250716000131
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.

Hospital Affiliations CMS Care Compare

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

Orange City Area Health System

Critical Access Hospitals · Orange City, IA
OwnershipVoluntary non-profit - Other
CMS Certification Number161360
Location1000 Lincoln Circle SEOrange City, IA 51041 · Sioux County
Emergency services

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.

THE NEBRASKA MEDICAL CENTER
General Acute Care Hospital
42ND AND EMILE
OMAHA, NE 68198
Douglas County (402) 559-4212
MAKENNA ROSE VANLENGEN
Physician Assistant
42ND AND EMILE
OMAHA, NE 68198
Douglas County (308) 865-8323
LAUREN MORROW
Student in an Organized Health Care Education/Training Program
42ND AND EMILE
OMAHA, NE 68198
Douglas County (402) 559-2928
ELIJAH TYLER FROST PA-C
Thoracic Surgery (Cardiothoracic Vascular Surgery)
42ND AND EMILE
OMAHA, NE 68198
Douglas County (402) 559-4000
RAMAKRISHNA SAI GORANTLA MBBS, MD
Internal Medicine (Interventional Cardiology)
42ND AND EMILE
OMAHA, NE 68198
Douglas County (402) 559-4000
MADELINE KAY WEDERQUIST
Student in an Organized Health Care Education/Training Program
42ND AND EMILE
OMAHA, NE 68198
Douglas County (402) 559-4000
QUINN KOOP
Student in an Organized Health Care Education/Training Program
42ND AND EMILE
OMAHA, NE 68198
Douglas County (402) 559-6673
MR. DAKOTA JEFFREY LITTON PA-S
Student in an Organized Health Care Education/Training Program
42ND AND EMILE
OMAHA, NE 68198
Douglas County (402) 559-4000

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 Guthmiller's NPI number?

The NPI number for William Guthmiller is 1427626662. It was assigned to this individual provider in the NPPES registry on June 14, 2021.

Where is William Guthmiller located?

William Guthmiller practices at 42nd And Emile, Omaha, NE 68198. The listed phone number is (402) 559-4000.

What is William Guthmiller's specialty?

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

Is William Guthmiller enrolled in Medicare?

Yes. William Guthmiller 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 William Guthmiller accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Home State Health, Ambetter from NH Healthy Families and Ambetter from Sunflower Health Plan and 2 other insurers list William Guthmiller 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 William Guthmiller affiliated with any hospitals?

According to CMS data, William Guthmiller is affiliated with Orange City Area Health System.

When was this NPI record last updated?

The NPPES record for William Guthmiller was last updated on January 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.