Victor Chi Onyejiaka, MD
Nephrology Physician · Baltimore, MD
Victor Chi Onyejiaka, MD is a nephrology physician with a practice address in Baltimore, Maryland, and NPI 1770626087, issued on Feb 15, 2007. Check the license (Maryland D0046529, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Victor Chi Onyejiaka
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- D0046529 MD
Self-reported in NPPES; status is on the state search - Practice location
- 4115 Wilkens Ave, Baltimore, MD 21229
- Phone
- (410) 536-4100
- Enumerated
- Feb 15, 2007
- Record last updated
- May 5, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (410) 536-4102
- Medicaid IDs
- 026927100 DC
284900301 MD - Medicare enrollment
- Enrolled (PECOS I20260515002518); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 337 in Maryland → Look up another NPI →
Also registered at 4115 Wilkens Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shankari Kumarachandran, D.D.SGeneral Practice Dentistry1174680227
Verify Victor Chi Onyejiaka in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0046529Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8% more Medicare Part D claims than the average nephrology physician in 2024
1,582 Medicare Part D claims for 65 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium126 claims
- Mirtazapine91 claims
- Amlodipine Besylate84 claims
- Losartan Potassium51 claims
- Furosemide48 claims
- Divalproex Sodium47 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $152.72
3 payments; by number, the most common kind was food and beverage; the largest payer was Bayer Healthcare Pharmaceuticals Inc. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Harmony HealthcareWilmington, DE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Victor Chi Onyejiaka among 337 nephrology physician records in Maryland
Victor Chi Onyejiaka, MD is one of 337 nephrology physician records with a practice address in Maryland. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 52% of them.
- NPI issued2007 · 52% of these records are older, 37% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1985 · median 2001 among the 232 with a school on file
- Record last updated2008 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Maryland
There are 337 nephrology physician records in Maryland.
All 337 in Maryland → Every provider in Baltimore → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Moges Gebremariam, MDBaltimore, MD 212291235122912
- Navneet Ahuja, M.D.Catonsville, MD 212281346219177
- Saira Amir, MD MPHCatonsville, MD 212281295357770
- John Dalton, M.D.Catonsville, MD 212281225013493
- Jennifer Eras, M.D.Catonsville, MD 212281568460996
- Tamil Kuppusamy, M.D.Catonsville, MD 212281356349781
- Rudolf Pullmann, MDCatonsville, MD 212281164673588
- Barry Straube, M.D.Baltimore, MD 212301245393925
Common questions
What is Victor Chi Onyejiaka, MD's NPI number?
Victor Chi Onyejiaka, MD's National Provider Identifier (NPI) is 1770626087, issued on Feb 15, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Victor Chi Onyejiaka, MD located?
The NPPES record lists a practice address at 4115 Wilkens Ave, Baltimore, MD, 21229. Phone: (410) 536-4100. Providers update this record themselves, so call before visiting.
How can I verify Victor Chi Onyejiaka, MD's license?
NPPES lists Maryland license number D0046529, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Victor Chi Onyejiaka, MD prescribe under Medicare Part D?
In 2024, Victor Chi Onyejiaka, MD had 1,582 Medicare Part D claims for 65 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.