Dr. Emmanuel C. Onyeka, MD
- Medicare services, 2024
- 657
- Medicare patients, 2024
- 562
- Part D claims, 2024
- 578
- Hospital affiliations
- 2
- Industry payments
- $25
- Practice address
- 2122 Manchester Expressway, Columbus, GA 31995
- Practice phone
- Call (706) 596-4020
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Onyeka'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. Emmanuel C. Onyeka is an emergency medicine physician in Columbus, Georgia
Dr. Onyeka practices at St. Francis - Emory Healthcare in Columbus, Georgia, part of ScionHealth.
Dr. Onyeka's NPI, 1346621984, was assigned on June 9, 2015. Dr. Onyeka graduated from State University of New York at Buffalo School of Medicine in 2015. Dr. Onyeka holds Georgia license 081017.
- NPI
- 1346621984NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4284985623
- NPI enumeration date
- June 9, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (706) 596-4020
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Emmanuel C. Onyeka practices at St. Francis - Emory Healthcare in Columbus, Georgia
Dr. Onyeka's primary practice is St. Francis - Emory Healthcare, at 2122 Manchester Expressway, Columbus, GA 31995 in Muscogee County. The practice phone is (706) 596-4020.
- St. Francis - Emory Healthcare2122 Manchester Expressway, Columbus, GA 31995 · Muscogee CountyPhone(706) 596-4020
Source: Dmand AI Affiliation Data
Dr. Emmanuel C. Onyeka is affiliated with 2 sites of care and 4 medical groups
Dr. Onyeka's primary practice is St. Francis - Emory Healthcare in Columbus, Georgia, part of ScionHealth. Dr. Onyeka is also affiliated with Piedmont Fayette Hospital. The medical group on file is Southeast Primary Care Partners. Dmand AI also links Dr. Onyeka to 3 more medical groups, 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. Emmanuel C. Onyeka's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Onyeka practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St. Francis - Emory Healthcare | Available with a free account |
| +1 more site and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Emmanuel C. Onyeka is one of 1,629 emergency medicine physicians in Georgia
Emergency medicine is Dr. Onyeka's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Onyeka is licensed in Georgia.
Specialties and state licenses
- Emergency medicine, GeorgiaPrimary
Emergency medicine physicians near Dr. Onyeka
Counts of emergency medicine physicians 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. Emmanuel C. Onyeka billed Medicare for 657 services in 2024
CMS data shows 657 Medicare services from Dr. Onyeka across 5 procedure codes in 2024, for 562 Medicare patients. Medicare paid $73,411 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Onyeka's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5902024: 589No change
- Tests and treatments
- 2023: 202024: 68240%
Dr. Onyeka compared with the Georgia median for emergency medicine physicians, 2024
- Dr. Onyeka
- Georgia median
- Medicare services
- 657vs 2912.3 times
- Medicare patients
- 562vs 2612.2 times
- Part D claims
- 394vs 934.2 times
Medians across 1,545 emergency medicine physicians in Georgia with Dmand AI profiles that report each measure.
Dr. Onyeka'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Onyeka and other emergency medicine physicians in Georgia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Emmanuel C. Onyeka treated 562 Medicare patients in 2024, average age 75
CMS counts 562 Medicare patients who saw Dr. Onyeka in 2024. The largest group is 75 to 84, with 194 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 30% are also on Medicaid. Their average risk score is 2.61, 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. Onyeka's median patient age at 52, with 61% women.
Dr. Onyeka's Medicare patients by age, 2024
Dr. Onyeka's Medicare patients by sex, 2024
- Women33059%
- Men23241%
Chronic conditions among Dr. Onyeka's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis57%
- Chronic kidney disease51%
- Diabetes51%
- Ischemic heart disease46%
- Heart failure45%
- Mood disorders35%
Share of Medicare patients with each condition. A patient can have several.
Dr. Onyeka's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 52
Patient panel by sex, all payers
- Women61%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Emmanuel C. Onyeka wrote 578 Medicare Part D claims in 2024
In 2024, Dr. Onyeka wrote 578 Medicare Part D claims for 365 patients. 97% of them were for generic drugs. CMS names the drug for 394 of them, across 12 drugs with 11 or more claims each, at $1,786 in total drug cost. In 2023, CMS named 210 claims across 9 drugs.
Dr. Onyeka's Part D claims by kind of drug, 2024
- Generic559 claims97%
- Brand-name19 claims3%
Dr. Onyeka'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. Onyeka's Part D claims, 2024
- Opioids14%82 of 578 claims
- Antibiotics18%105 of 578 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: 2102024: 39488%
Drugs named by CMS: 12 in 2024, 9 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. Emmanuel C. Onyeka takes part in Medicare
Dr. Onyeka accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal of nail tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Emmanuel C. Onyeka received $25 in industry payments in 2020
CMS Open Payments shows 1 general payment to Dr. Onyeka from 1 drug or device company in 2020. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $25.
Companies that paid Dr. Onyeka the most, 2020 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Emmanuel C. Onyeka graduated from State University of New York at Buffalo School of Medicine
Dr. Onyeka graduated from State University of New York at Buffalo School of Medicine in 2015.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Emmanuel C. Onyeka'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)Doctors and Clinicians Utilization Data (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. Emmanuel C. Onyeka
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. Emmanuel C. Onyeka's NPI number?
Dr. Emmanuel C. Onyeka's NPI number is 1346621984. It was assigned on June 9, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Emmanuel C. Onyeka?
Dr. Emmanuel C. Onyeka is an emergency medicine physician in Columbus, Georgia. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Emmanuel C. Onyeka practice?
Dr. Onyeka practices at 2122 Manchester Expressway, Columbus, GA 31995. Dr. Onyeka's primary practice is St. Francis - Emory Healthcare in Columbus, Georgia, part of ScionHealth. Dmand AI also links Dr. Onyeka to 3 medical groups.
What is Dr. Emmanuel C. Onyeka's office phone number?
The practice phone on file for Dr. Onyeka is (706) 596-4020.
What is Dr. Emmanuel C. Onyeka's medical license number?
Dr. Onyeka holds Georgia license 081017.
Which hospitals is Dr. Emmanuel C. Onyeka affiliated with?
Dr. Onyeka practices at St. Francis - Emory Healthcare in Columbus, Georgia. Dr. Onyeka is also affiliated with Piedmont Fayette Hospital.
What medical group is Dr. Emmanuel C. Onyeka part of?
Dr. Onyeka is linked to Southeast Primary Care Partners. Dmand AI links Dr. Onyeka to 3 more medical groups.
Does Dr. Emmanuel C. Onyeka accept Medicare?
Yes. CMS data shows Dr. Onyeka billed Medicare for 657 services in 2024, and Dr. Onyeka accepts Medicare assignment.
How many Medicare patients does Dr. Emmanuel C. Onyeka see?
CMS counts 562 Medicare patients who saw Dr. Onyeka in 2024, with an average age of 75.
What services does Dr. Emmanuel C. Onyeka bill to Medicare?
In 2024, Dr. Onyeka's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and heart test or procedure (93010).
Show 4 more questionsShow fewer questions
Where did Dr. Emmanuel C. Onyeka go to medical school?
Dr. Onyeka graduated from State University of New York at Buffalo School of Medicine in 2015.
What drugs does Dr. Emmanuel C. Onyeka prescribe most?
In 2024 Medicare Part D data, Dr. Onyeka's most prescribed drugs by claims were Cyclobenzaprine HCl, Naproxen and Cephalexin.
Has Dr. Emmanuel C. Onyeka received payments from drug or device companies?
CMS Open Payments shows $25 in general payments to Dr. Onyeka from 1 company from 2020 to 2020. The largest total came from Abbvie Inc.
How long has Dr. Emmanuel C. Onyeka been practicing?
Dr. Onyeka graduated from medical school in 2015, 11 years ago.
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