1. Home
  2. Directory
  3. Arkansas
  4. Little Rock
  5. Anesthesiology
  6. NPI Profile

DUCU ONISEI MD
NPI 1093805566
Anesthesiology in Little Rock, AR

Active since October 13, 2006PECOS EnrolledAccepts Medicare Assignment
4301 W MARKHAM ST # 783, LITTLE ROCK, AR 72205(501) 686-8000 Get Directions Write a Review

NPPES record last updated: July 31, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Ducu Onisei Md NPPES

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

DUCU ONISEI MD (NPI 1093805566) is an individual anesthesiology provider in Little Rock, Arkansas, licensed in Arkansas (E-3612) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1996).

NPPES Registry Identity

NPI1093805566
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDUCU ONISEICredential: MD
Location Address4301 W MARKHAM ST # 783Little Rock, AR 72205-7101
Mailing Address4301 W Markham St # 783Little Rock, AR 72205-7101 · (501) 686-8000
Phone(501) 686-8000
Sole ProprietorNo
Medical School CMSOtherGraduated 1996
Enumeration DateOctober 13, 2006
Last NPPES UpdateJuly 31, 2007
✔ NPI 1093805566 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in AR · E-3612
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.
4301 W MARKHAM ST # 783, Little Rock, AR 72205
Open in Google Maps ↗

Other Identifiers 3

Medicare UPINH84203
Medicare PIN5M555
Medicaid149804001AR

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Health Advantage, Octave.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

Ducu Onisei 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.

PECOS PAC ID4183753791
PECOS Enrollment IDI20100519000907
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.

Medicare Billing Reassignment

Medicare enrollment records show Ducu Onisei reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

University Of Arkansas For Medical Sciences
Same address
Advanced Practice Midwife
4301 W MARKHAM ST # 783
Little Rock, AR 72205
  • Reassigned Medicare billing, Arkansas enrollment
  • 2,038 clinicians in this Medicare group
NPI 1043372220 (501) 686-8000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

ANNA JANE SCHLESSELMAN OD
Optometrist
4301 W MARKHAM ST # 783
LITTLE ROCK, AR 72205
Pulaski County (501) 686-8000
JACQUELINE JULIET PONDER
Social Worker
4301 W MARKHAM ST # 783
LITTLE ROCK, AR 72205
Pulaski County (501) 686-8000
RACHEL SLOAN APRN FNP-C
Nurse Practitioner (Family)
4301 W MARKHAM ST # 783
LITTLE ROCK, AR 72205
Pulaski County (501) 686-8000
GAURAV DHAR MD
Internal Medicine (Interventional Cardiology)
4301 W MARKHAM ST # 783
LITTLE ROCK, AR 72205
Pulaski County (501) 686-8000
JOHN M ARTHUR MD
Internal Medicine (Nephrology)
4301 W MARKHAM ST # 783
LITTLE ROCK, AR 72205
Pulaski County (501) 686-8000
NESLIHAN CETIN M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
4301 W MARKHAM ST # 783
LITTLE ROCK, AR 72205
Pulaski County (501) 686-8000
DR. CHRISTOPHER BRENT LAWLIS M.D.
Psychiatry & Neurology (Psychiatry)
4301 W MARKHAM ST # 783
LITTLE ROCK, AR 72205
Pulaski County (501) 686-8000
MARY DEVINE CNM
Advanced Practice Midwife
4301 W MARKHAM ST # 783
LITTLE ROCK, AR 72205
Pulaski County (501) 686-8000

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 Ducu Onisei's NPI number?

The NPI number for Ducu Onisei is 1093805566. It was assigned to this individual provider in the NPPES registry on October 13, 2006.

Where is Ducu Onisei located?

Ducu Onisei practices at 4301 W Markham St # 783, Little Rock, AR 72205. The listed phone number is (501) 686-8000.

What is Ducu Onisei's specialty?

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

Is Ducu Onisei enrolled in Medicare?

Yes. Ducu Onisei 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 organization bills Medicare for Ducu Onisei's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ducu Onisei reassigns Medicare benefits to University Of Arkansas For Medical Sciences (Little Rock, AR). The 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 Ducu Onisei's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ducu Onisei accept?

Health plans from Health Advantage and Octave list Ducu Onisei 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 Ducu Onisei was last updated on July 31, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.