Dr. Dominic Emeka Onyema, MD

  • New York, NY
  • Nephrologist
NPI1063692168
Part D claims, 2024
19
Clinical trials
1
Industry payments
$3,440
Affiliated sites
4
Medical groups
3
Practice address
20 E 46th St, New York, NY 10017-2417
Practice phone
Call (646) 490-5475
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Hemal J. Shah

Multi-specialty group site · New York, New York

See all 7 affiliations

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Dr. Dominic Emeka Onyema is a nephrologist in New York, New York

Dr. Onyema practices at Hemal J. Shah in New York, New York.

Dr. Onyema's NPI, 1063692168, was assigned on November 7, 2007. Dr. Onyema graduated from St. George's University School of Medicine in 1988. Dr. Onyema holds New York license 190077.

NPI and contact details
NPI enumeration date
November 7, 2007
NPI status
Active
Practice phone
(646) 490-5475
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Medical school graduation
1988

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Dominic Emeka Onyema practices at Hemal J. Shah in New York, New York

Dr. Onyema's primary practice is Hemal J. Shah, at 20 E 46th St, New York, NY 10017-2417. The practice phone is (646) 490-5475.

  • Hemal J. Shah
    20 E 46th St, New York, NY 10017-2417Phone(646) 490-5475

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Dominic Emeka Onyema is affiliated with 4 sites of care and 3 medical groups

Dr. Onyema's primary practice is Hemal J. Shah in New York, New York. Dmand AI also links Dr. Onyema to 3 medical groups, 2 group practices and clinics and 1 physician office, each named with a free account.

See all 7 affiliations for Dr. Onyema

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dmand AI tracks the EHR system at Dr. Dominic Emeka Onyema's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Onyema practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Hemal J. ShahAvailable with a free account
+3 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Dominic Emeka Onyema is one of 914 nephrologists in New York

Nephrology is Dr. Onyema's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Onyema is licensed in New York.

Specialties and state licenses

  • Nephrology, New YorkPrimaryLicense 190077 · taxonomy 207RN0300X

Nephrologists near Dr. Onyema

Counts of nephrologists 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. Dominic Emeka Onyema's patients have a median age of 38

Across all payers, Dmand AI patient panel data puts Dr. Onyema's median patient age at 38, with 41% women.

Dr. Onyema's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 38

Patient panel by sex, all payers

  • Women41%
  • Men53%

Source: Dmand AI Patient Panel Data

Dr. Dominic Emeka Onyema wrote 19 Medicare Part D claims in 2024

In 2024, Dr. Onyema wrote 19 Medicare Part D claims. 100% of them were for generic drugs.

Part D claims, 202419

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

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Dr. Dominic Emeka Onyema has worked on 1 clinical trial

Dmand AI links Dr. Onyema to 1 clinical trial. 1 is still active or recruiting. Conditions studied include Cognitive Dysfunction and Cognition Disorders.

Conditions in Dr. Onyema's trials

  • Cognitive Dysfunction
  • Cognition Disorders

Investigators on the most trials with Dr. Onyema

Recent clinical trials with Dr. Onyema

Sources: ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage

Dr. Dominic Emeka Onyema received $3,440 in industry payments from 2016 to 2018

CMS Open Payments shows 16 general payments to Dr. Onyema from 3 drug and device companies from 2016 to 2018. Travel and lodging make up the largest share, 79% of the total. Shionogi Inc paid the most, $2,054.

General payments to Dr. Onyema by program year, 2016 to 2018

General payments to Dr. Onyema by kind, 2016 to 2018

$3.4Kin total
  • Travel and lodging$2,70679%
  • Food and beverage$73321%

Companies that paid Dr. Onyema the most, 2016 to 2018

Share is of all general payments to this clinician.

See all payments to Dr. Onyema

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Dominic Emeka Onyema graduated from St. George's University School of Medicine

Dr. Onyema graduated from St. George's University School of Medicine in 1988.

  1. Medical schoolSt. George's University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Dominic Emeka Onyema's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Primary practice, affiliations and health systemDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
Clinical trials and co-investigatorsClinicalTrials.gov (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Dominic Emeka Onyema

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. Dominic Emeka Onyema's NPI number?

Dr. Dominic Emeka Onyema's NPI number is 1063692168. It was assigned on November 7, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Dominic Emeka Onyema?

Dr. Dominic Emeka Onyema is a nephrologist in New York, New York. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).

Where does Dr. Dominic Emeka Onyema practice?

Dr. Onyema practices at 20 E 46th St, New York, NY 10017-2417. Dr. Onyema's primary practice is Hemal J. Shah in New York, New York. Dmand AI also links Dr. Onyema to 3 medical groups, 2 group practices and clinics and 1 physician office.

What is Dr. Dominic Emeka Onyema's office phone number?

The practice phone on file for Dr. Onyema is (646) 490-5475.

What is Dr. Dominic Emeka Onyema's medical license number?

Dr. Onyema holds New York license 190077.

Where did Dr. Dominic Emeka Onyema go to medical school?

Dr. Onyema graduated from St. George's University School of Medicine in 1988.

Has Dr. Dominic Emeka Onyema received payments from drug or device companies?

CMS Open Payments shows $3,440 in general payments to Dr. Onyema from 3 companies from 2016 to 2018. The largest total came from Shionogi Inc.

How long has Dr. Dominic Emeka Onyema been practicing?

Dr. Onyema graduated from medical school in 1988, 38 years ago.

Does Dr. Dominic Emeka Onyema do research?

Dr. Onyema has worked on 1 clinical trial.

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