Dr. Ducu F. Onisei, MD
- Medicare services, 2023
- 69
- Medicare patients, 2024
- 86
- Hospital affiliations
- 1
- Medical groups
- 2
- State license
- 1
- Practice address
- 4301 West Markham Street Mail Slot 612, Little Rock, AR 72205
- Practice phone
- Call (501) 686-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Onisei's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Ducu F. Onisei is an anesthesiologist in Little Rock, Arkansas
Dr. Onisei practices at UAMS Medical Center in Little Rock, Arkansas, part of University of Arkansas for Medical Sciences.
Dr. Onisei's NPI, 1093805566, was assigned on October 13, 2006. Dr. Onisei holds Arkansas license E-3612.
- NPI
- 1093805566NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4183753791
- NPI enumeration date
- October 13, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (501) 686-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ducu F. Onisei practices at UAMS Medical Center in Little Rock, Arkansas
Dr. Onisei's primary practice is UAMS Medical Center, at 4301 West Markham Street Mail Slot 612, Little Rock, AR 72205 in Pulaski County. The practice phone is (501) 686-5000.
- UAMS Medical Center4301 West Markham Street Mail Slot 612, Little Rock, AR 72205 · Pulaski CountyPhone(501) 686-5000
Source: Dmand AI Affiliation Data
Dr. Ducu F. Onisei is affiliated with 1 site of care and 2 medical groups
Dr. Onisei's primary practice is UAMS Medical Center in Little Rock, Arkansas, part of University of Arkansas for Medical Sciences. The medical group on file is UAMS - University of Arkansas for Medical Sciences. Dmand AI also links Dr. Onisei to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ducu F. Onisei's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Onisei practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UAMS Medical Center | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ducu F. Onisei is one of 314 anesthesiologists in Arkansas
Anesthesiology is Dr. Onisei's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Onisei is licensed in Arkansas.
Specialties and state licenses
- Anesthesiology, ArkansasPrimary
Anesthesiologists near Dr. Onisei
Counts of anesthesiologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Ducu F. Onisei billed Medicare for 69 services in 2023
CMS data shows 69 Medicare services from Dr. Onisei across 3 procedure codes in 2023, for 86 Medicare patients. Medicare paid $4,331 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Onisei's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Anesthesia
- 2022: 1092023: 6937%
Dr. Onisei compared with the Arkansas median for anesthesiologists, 2023
- Dr. Onisei
- Arkansas median
- Medicare services
- 69vs 4844% above
- Medicare patients
- 86vs 90Close to median
Medians across 312 anesthesiologists in Arkansas with Dmand AI profiles that report each measure.
Dr. Onisei's most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Onisei?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Onisei and other anesthesiologists in Arkansas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ducu F. Onisei treated 86 Medicare patients in 2024, average age 71
CMS counts 86 Medicare patients who saw Dr. Onisei in 2024. The largest group is 65 to 74, with 43 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 17% are also on Medicaid. Their average risk score is 2.67, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Onisei's median patient age at 67, with 58% women.
Dr. Onisei's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Onisei's Medicare patients by sex, 2024
- Women4148%
- Men4552%
Chronic conditions among Dr. Onisei's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis51%
- Diabetes45%
- Ischemic heart disease44%
- Mood disorders41%
- Anxiety38%
- Chronic kidney disease37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Onisei's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women58%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Ducu F. Onisei takes part in Medicare
Dr. Onisei accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Sources for Dr. Ducu F. Onisei's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Ducu F. Onisei
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Ducu F. Onisei's NPI number?
Dr. Ducu F. Onisei's NPI number is 1093805566. It was assigned on October 13, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Ducu F. Onisei?
Dr. Ducu F. Onisei is an anesthesiologist in Little Rock, Arkansas. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Ducu F. Onisei practice?
Dr. Onisei practices at 4301 West Markham Street Mail Slot 612, Little Rock, AR 72205. Dr. Onisei's primary practice is UAMS Medical Center in Little Rock, Arkansas, part of University of Arkansas for Medical Sciences. Dmand AI also links Dr. Onisei to 1 medical group.
What is Dr. Ducu F. Onisei's office phone number?
The practice phone on file for Dr. Onisei is (501) 686-5000.
What is Dr. Ducu F. Onisei's medical license number?
Dr. Onisei holds Arkansas license E-3612.
Which hospitals is Dr. Ducu F. Onisei affiliated with?
Dr. Onisei practices at UAMS Medical Center in Little Rock, Arkansas.
What medical group is Dr. Ducu F. Onisei part of?
Dr. Onisei is linked to UAMS - University of Arkansas for Medical Sciences. Dmand AI links Dr. Onisei to 1 more medical group.
Does Dr. Ducu F. Onisei accept Medicare?
Yes. CMS data shows Dr. Onisei billed Medicare for 69 services in 2023, and Dr. Onisei accepts Medicare assignment.
How many Medicare patients does Dr. Ducu F. Onisei see?
CMS counts 86 Medicare patients who saw Dr. Onisei in 2024, with an average age of 71.
What services does Dr. Ducu F. Onisei bill to Medicare?
In 2023, Dr. Onisei's most billed Medicare services were anesthesia (00142), anesthesia (00731) and anesthesia (00300).
How long has Dr. Ducu F. Onisei been practicing?
Dr. Onisei graduated from medical school in 1996, 30 years ago.
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