Dr. Ejike Onuogu, MD
- Medicare services, 2024
- 750
- Medicare patients, 2024
- 43
- Part D claims, 2024
- 267
- Hospital affiliations
- 2
- Industry payments
- $2,754
- Practice address
- 81 Louden Ave, Amityville, NY 11701
- Practice phone
- Call (516) 789-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Onuogu'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. Ejike Onuogu is a psychiatrist in Amityville, New York
Dr. Onuogu practices at Brunswick Hospital Center in Amityville, New York, part of Brunswick Hospital Center.
Dr. Onuogu's NPI, 1134195753, was assigned on February 24, 2006. Dr. Onuogu graduated from University of Nigeria Faculty of Medicine in 1987. Dr. Onuogu holds New York license 218742.
- NPI
- 1134195753NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4183618176
- NPI enumeration date
- February 24, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (516) 789-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ejike Onuogu practices at Brunswick Hospital Center in Amityville, New York
Dr. Onuogu's primary practice is Brunswick Hospital Center, at 81 Louden Ave, Amityville, NY 11701 in Suffolk County. The practice phone is (516) 789-7000.
- Brunswick Hospital Center81 Louden Ave, Amityville, NY 11701 · Suffolk CountyPhone(516) 789-7000
Source: Dmand AI Affiliation Data
Dr. Ejike Onuogu is affiliated with 4 sites of care and 2 medical groups
Dr. Onuogu's primary practice is Brunswick Hospital Center in Amityville, New York, part of Brunswick Hospital Center. Dr. Onuogu is also affiliated with Stony Brook University Hospital. The medical group on file is Brunswick Hospital Center. Dmand AI also links Dr. Onuogu to 1 more community health center, 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ejike Onuogu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Onuogu practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Brunswick Hospital Center | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Brunswick Hospital Center and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Ejike Onuogu is one of 4,448 psychiatrists in New York
Psychiatry is Dr. Onuogu's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Onuogu is licensed in New York.
Specialties and state licenses
- Psychiatry, New YorkPrimary
Psychiatrists near Dr. Onuogu
Counts of psychiatrists 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. Ejike Onuogu billed Medicare for 750 services in 2024
CMS data shows 750 Medicare services from Dr. Onuogu across 3 procedure codes in 2024, for 43 Medicare patients. Medicare paid $55,660 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Onuogu's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,0442024: 70632%
- Tests and treatments
- 2023: 612024: 4428%
Dr. Onuogu compared with the New York median for psychiatrists, 2024
- Dr. Onuogu
- New York median
- Medicare services
- 750vs 1425.3 times
- Medicare patients
- 43vs 41Close to median
- Part D claims
- 81vs 12435% below
Medians across 5,024 psychiatrists in New York with Dmand AI profiles that report each measure.
Dr. Onuogu's most billed Medicare procedure codes, 2024
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. Onuogu?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Onuogu and other psychiatrists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ejike Onuogu treated 43 Medicare patients in 2024, average age 50
CMS counts 43 Medicare patients who saw Dr. Onuogu in 2024. 75% of them have mood disorders, and 75% have schizophrenia and other psychoses. Their average risk score is 1.35, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Onuogu's median patient age at 37, with 14% women.
Dr. Onuogu's Medicare patients by sex, 2024
- Women1637%
- Men2763%
Chronic conditions among Dr. Onuogu's Medicare patients, 2024
- Mood disorders75%
- Schizophrenia and other psychoses75%
- Bipolar disorder70%
- Anxiety65%
- High cholesterol60%
- Alcohol and drug use disorders58%
- ADHD and conduct disorders56%
- High blood pressure51%
Share of Medicare patients with each condition. A patient can have several.
Dr. Onuogu's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 37
Patient panel by sex, all payers
- Women14%
- Men84%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ejike Onuogu wrote 267 Medicare Part D claims in 2024
In 2024, Dr. Onuogu wrote 267 Medicare Part D claims for 67 patients. 87% of them were for generic drugs. CMS names the drug for 81 of them, across 6 drugs with 11 or more claims each, at $1,175 in total drug cost. In 2023, CMS named 118 claims across 8 drugs.
Dr. Onuogu's Part D claims by kind of drug, 2024
- Generic231 claims87%
- Brand-name36 claims13%
Dr. Onuogu's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Onuogu's Part D claims, 2024
- Antipsychotics, patients 65 and over6%15 of 267 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1182024: 8131%
Drugs named by CMS: 6 in 2024, 8 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Ejike Onuogu takes part in Medicare
Dr. Onuogu 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Ejike Onuogu received $2,754 in industry payments from 2016 to 2025
CMS Open Payments shows 118 general payments to Dr. Onuogu from 8 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Alkermes, Inc. paid the most, $924.
General payments to Dr. Onuogu by program year, 2016 to 2025
General payments to Dr. Onuogu by kind, 2016 to 2025
- Food and beverage$2,747100%
- Education$70%
Companies that paid Dr. Onuogu the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ejike Onuogu graduated from University of Nigeria Faculty of Medicine
Dr. Onuogu graduated from University of Nigeria Faculty of Medicine in 1987.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Ejike Onuogu'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) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. Ejike Onuogu
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. Ejike Onuogu's NPI number?
Dr. Ejike Onuogu's NPI number is 1134195753. It was assigned on February 24, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Ejike Onuogu?
Dr. Ejike Onuogu is a psychiatrist in Amityville, New York. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Ejike Onuogu practice?
Dr. Onuogu practices at 81 Louden Ave, Amityville, NY 11701. Dr. Onuogu's primary practice is Brunswick Hospital Center in Amityville, New York, part of Brunswick Hospital Center. Dmand AI also links Dr. Onuogu to 1 community health center, 1 group practice or clinic and 1 medical group.
What is Dr. Ejike Onuogu's office phone number?
The practice phone on file for Dr. Onuogu is (516) 789-7000.
What is Dr. Ejike Onuogu's medical license number?
Dr. Onuogu holds New York license 218742.
Which hospitals is Dr. Ejike Onuogu affiliated with?
Dr. Onuogu practices at Brunswick Hospital Center in Amityville, New York. Dr. Onuogu is also affiliated with Stony Brook University Hospital.
What medical group is Dr. Ejike Onuogu part of?
Dr. Onuogu is linked to Brunswick Hospital Center. Dmand AI links Dr. Onuogu to 1 more medical group.
Does Dr. Ejike Onuogu accept Medicare?
Yes. CMS data shows Dr. Onuogu billed Medicare for 750 services in 2024, and Dr. Onuogu accepts Medicare assignment.
How many Medicare patients does Dr. Ejike Onuogu see?
CMS counts 43 Medicare patients who saw Dr. Onuogu in 2024, with an average age of 50.
What services does Dr. Ejike Onuogu bill to Medicare?
In 2024, Dr. Onuogu's most billed Medicare services were hospital inpatient care (99232), psychiatric service (90792) and hospital inpatient care (99238).
Show 4 more questionsShow fewer questions
Where did Dr. Ejike Onuogu go to medical school?
Dr. Onuogu graduated from University of Nigeria Faculty of Medicine in 1987.
What drugs does Dr. Ejike Onuogu prescribe most?
In 2024 Medicare Part D data, Dr. Onuogu's most prescribed drugs by claims were Aripiprazole, Benztropine Mesylate and Divalproex Sodium.
Has Dr. Ejike Onuogu received payments from drug or device companies?
CMS Open Payments shows $2,754 in general payments to Dr. Onuogu from 8 companies from 2016 to 2025. The largest total came from Alkermes, Inc.
How long has Dr. Ejike Onuogu been practicing?
Dr. Onuogu graduated from medical school in 1987, 39 years ago.
Selling to psychiatry practices?
See psychiatrists in New York by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card