DR. JOHN A AUCAR M.D.
NPI 1033141965
Surgery - Trauma Surgery in Omaha, NE
About Dr. John A Aucar M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN A AUCAR M.D. (NPI 1033141965) is an individual trauma surgery provider in Omaha, Nebraska, licensed in Nebraska (31524) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Chi Health Mercy Council Bluffs, and is a graduate of University Of Kansas School Of Med (kc/wich/sal) (1986).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. John A Aucar 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.
Medicare Billing Reassignments
5Medicare enrollment records show John Aucar reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Omaha, NE 68124
- Reassigned Medicare billing, Nebraska and Iowa enrollments
- Also billed through NPI 1518227859 (Iowa)
- 1,045 clinicians in this Medicare group
Lincoln, NE 68510
- Reassigned Medicare billing, Nebraska enrollment
- 525 clinicians in this Medicare group
Norfolk, NE 68701
- Reassigned Medicare billing, Nebraska enrollment
- 252 clinicians in this Medicare group
Kansas City, MO 64132
- Reassigned Medicare billing, Missouri enrollment
- 53 clinicians in this Medicare group
Kingwood, TX 77339
- Reassigned Medicare billing, Texas enrollment
- 99 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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Chi Health Mercy Council Bluffs
Acute Care Hospitals · Council Bluffs, IACenterpoint Medical Center
Acute Care Hospitals · Independence, MOHca Houston Healthcare Kingwood
Acute Care Hospitals · Kingwood, TXOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OMAHA, NE 68124
OMAHA, NE 68124
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 John Aucar's NPI number?
The NPI number for John Aucar is 1033141965. It was assigned to this individual provider in the NPPES registry on July 7, 2006.
Where is John Aucar located?
John Aucar practices at 7710 Mercy Rd Ste 2000, Omaha, NE 68124. The listed phone number is (402) 717-4909.
What is John Aucar's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Trauma Surgery, with taxonomy code 2086S0127X.
Is John Aucar enrolled in Medicare?
Yes. John Aucar 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.
Which organizations bill Medicare for John Aucar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Aucar reassigns Medicare benefits to 5 organizations: Alegent Creighton Clinic (Omaha, NE), Chi Health Clinic Specialty, LLC (Lincoln, NE), Faith Regional Physician Services, LLC (Norfolk, NE), Urgent Specialty Associates Of Missouri LLC (Kansas City, MO) and Urgent Specialty Associates Of Texas, PLLC (Kingwood, TX). 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 John Aucar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Aucar accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Kansas City, Blue Cross and Blue Shield of Nebraska, Blue Cross and Blue Shield of Texas and Cigna HealthCare of Florida, Inc. and 2 other insurers list John Aucar 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 John Aucar affiliated with any hospitals?
According to CMS data, John Aucar is affiliated with Chi Health Mercy Council Bluffs, Centerpoint Medical Center and Hca Houston Healthcare Kingwood.
When was this NPI record last updated?
The NPPES record for John Aucar was last updated on June 10, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.