Ikenna Onyenemezu, MD
Hospitalist Physician · Annapolis, MD
Ikenna Onyenemezu, MD is a hospitalist physician with a practice address in Annapolis, Maryland, and NPI 1497980023, issued on May 27, 2009. Check the license (Maryland D73676, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Ikenna Onyenemezu
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- D73676 MD
Self-reported in NPPES; status is on the state search - Practice location
- 2001 Medical Parkway, Annapolis, MD 21401
- Phone
- (443) 481-1750
- Enumerated
- May 27, 2009
- Record last updated
- Jun 13, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (443) 481-1687
- Medicare enrollment
- Enrolled (PECOS I20120606000446); accepts Medicare assignment
- Medical or professional school
- George Washington University School Of Medicine, 2009
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 397 in Maryland → Look up another NPI →
Also registered at 2001 Medical Parkway
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ikenna Onyenemezu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D73676Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
37% fewer Medicare Part D claims than the average hospitalist physician in 2024
327 Medicare Part D claims for 141 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.
Most prescribed
- Furosemide22 claims
- Amoxicillin-Clavulanate Potass21 claims
- Metoprolol Tartrate16 claims
- Pantoprazole Sodium16 claims
- Eliquis15 claims
- Metoprolol Succinate14 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.
Bills Medicare through one group practice
- Luminis Health Medical Group, LLCAnnapolis, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ikenna Onyenemezu among 397 hospitalist physician records in Maryland
Ikenna Onyenemezu, MD is one of 397 hospitalist physician records with a practice address in Maryland. 91% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 36% of them.
- NPI issued2009 · 36% of these records are older, 60% newer
- In a Medicare fileYes · 91% of these records are
- In the CMS Doctors and Clinicians fileYes · 83% of these records are
- Graduated2009 · median 2010 among the 330 with a school on file
- Record last updated2012 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in Maryland
There are 397 hospitalist physician records in Maryland.
All 397 in Maryland → Every provider in Annapolis → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Yaser Ali, M.D.Annapolis, MD 214011467897934
- Timothy Capstack, MDAnnapolis, MD 214011073534319
- Chang Choi, MDAnnapolis, MD 214011912907593
- Kathleen Coyle, MDAnnapolis, MD 214011922313832
- Hollie Hurner, PA-CAnnapolis, MD 214011790923761
- Adeeb Jaber, MDAnnapolis, MD 214011730231218
- Eileen Macdonald, MDAnnapolis, MD 214011659359354
- Daniel Maher, M.D.Annapolis, MD 214011740716323
Common questions
What is Ikenna Onyenemezu, MD's NPI number?
Ikenna Onyenemezu, MD's National Provider Identifier (NPI) is 1497980023, issued on May 27, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Ikenna Onyenemezu, MD located?
The NPPES record lists a practice address at 2001 Medical Parkway, Annapolis, MD, 21401. Phone: (443) 481-1750. Providers update this record themselves, so call before visiting.
How can I verify Ikenna Onyenemezu, MD's license?
NPPES lists Maryland license number D73676, 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 Ikenna Onyenemezu, MD prescribe under Medicare Part D?
In 2024, Ikenna Onyenemezu, MD had 327 Medicare Part D claims for 141 beneficiaries; the average among hospitalist physician prescribers was 521. 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.