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AARON M WILLIAMS APRN-CRNA
NPI 1255996799
Nurse Anesthetist, Certified Registered in Omaha, NE

Active since May 09, 2019Accepts Medicare Assignment
EMILE @ 42ND ST, OMAHA, NE 68198(402) 559-4081 Get Directions Write a Review

NPPES record last updated: May 9, 2019. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Aaron M Williams Aprn-crna NPPES

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

AARON M WILLIAMS APRN-CRNA (NPI 1255996799) is an individual nurse anesthetist, certified registered in Omaha, Nebraska, licensed in Nebraska (101526) and active in the NPI registry since May 2019. He is a graduate of Other (2019).

NPPES Registry Identity

NPI1255996799
Entity TypeIndividualMale
Primary Taxonomy367500000X
Provider Legal NameAARON M WILLIAMSCredential: APRN-CRNA
Location AddressEMILE @ 42ND STOmaha, NE 68198-0002
Mailing Address988102 Nebraska Medical CtrOmaha, NE 68198-8102
Phone(402) 559-4081
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateMay 9, 2019
✔ NPI 1255996799 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
License✔ Licensed in NE · 101526
Definition
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
EMILE @ 42ND ST, Omaha, NE 68198
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Insurance Company, Wellmark Health Plan of Iowa, Inc..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

Aaron M Williams Aprn-crna 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 ID9032442314
PECOS Enrollment IDI20190603000243

Medicare Billing Reassignments

2

Medicare enrollment records show Aaron Williams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Hypnos Anesthesia PC
8.5 mi
Anesthesiology
1805 N 145TH ST
Omaha, NE 68154
  • Reassigned Medicare billing, Nebraska enrollment
  • 33 clinicians in this Medicare group
NPI 1699837682 (402) 991-6559
Unmc Physicians
10 mi
Multi-Specialty
988102 NEBRASKA MEDICAL CTR
Omaha, NE 68198
  • Reassigned Medicare billing, Nebraska enrollment
  • 2,154 clinicians in this Medicare group
NPI 1417912114 (402) 552-3739

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 4

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.

Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand 01810
Anesthesia for procedures on the forearm, wrist, and hand involves administering medication to block sensation in these areas. This helps ensure comfort and painlessness during surgeries or treatments involving nerves, muscles, tendons, and tissue in these regions.
25 services23 patients
Anesthesia for nerve modulation procedure spinal cord or repair of bone of spine of lower back accessed through skin using imaging guidance 01942
Anesthesia for nerve modulation or spine repair involves numbing the lower back area. This is done to ensure you don't feel pain during the procedure. The doctor uses imaging technology to accurately place the anesthetic. This makes the procedure safer and more effective.
20 services20 patients
Anesthesia for procedure for total knee joint replacement 01402
Anesthesia for a total knee joint replacement numbs your body to eliminate pain during surgery. This could be general anesthesia where you're unconscious, or regional anesthesia where only the leg is numb. It's administered by a specialist, ensuring safety and comfort.
18 services18 patients
Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) 64447
This procedure involves injecting a numbing agent and/or steroid into a nerve in your thigh. It's done to alleviate pain or inflammation. A needle will be carefully positioned near the nerve, and the medicine will be administered.
16 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 68198 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$121.35 typical visit price
range $52.69 – $160.21
Typical copayment $30.33 (range $13.17 – $40.05)
Most-billed visit code 99204
Established Patient
$66.00 typical visit price
range $16.90 – $131.25
Typical copayment $16.50 (range $4.22 – $32.81)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

DR. ELIZABETH RINI SCHNAUBELT M.D.
Internal Medicine (Infectious Disease)
EMILE @ 42ND ST
OMAHA, NE 68198
Douglas County (402) 559-4015
DR. TIMOTHY EDWARD DONOVAN M.D.
Radiology (Vascular & Interventional Radiology)
EMILE @ 42ND ST
OMAHA, NE 68198
Douglas County (402) 559-1010
DR. BRETT WAIBEL M.D.
Surgery (Surgical Critical Care)
EMILE @ 42ND ST
OMAHA, NE 68198
Douglas County (402) 559-4017
AUDREY J LAZENBY MD
Pathology (Anatomic Pathology & Clinical Pathology)
EMILE @ 42ND ST
OMAHA, NE 68198
Douglas County (402) 559-4186
KIMBERLY MCCOLLEY P.A.-C.
Physician Assistant
EMILE @ 42ND ST
OMAHA, NE 68198
Douglas County (402) 559-4015
DAVID E BARTON MD
Internal Medicine (Interventional Cardiology)
EMILE @ 42ND ST
OMAHA, NE 68198
Douglas County (402) 559-8888
KELLY A FERGUSON A.R.N.P.
Nurse Practitioner
EMILE @ 42ND ST
OMAHA, NE 68198
Douglas County (402) 559-8888
ANGELA YVONNE CRAIG APRN
Nurse Practitioner (Family)
EMILE @ 42ND ST
OMAHA, NE 68198
Douglas County (402) 559-4015

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 Aaron Williams's NPI number?

The NPI number for Aaron Williams is 1255996799. It was assigned to this individual provider in the NPPES registry on May 9, 2019.

Where is Aaron Williams located?

Aaron Williams practices at Emile @ 42nd St, Omaha, NE 68198. The listed phone number is (402) 559-4081.

What is Aaron Williams's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is Aaron Williams enrolled in Medicare?

Yes. Aaron Williams 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 Aaron Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Aaron Williams reassigns Medicare benefits to 2 organizations: Hypnos Anesthesia PC (Omaha, NE) and Unmc Physicians (Omaha, NE). 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 Aaron Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Aaron Williams accept?

Health plans from Oscar Insurance Company and Wellmark Health Plan of Iowa, Inc. list Aaron Williams 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 Aaron Williams was last updated on May 9, 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.