Oyiyechukwu Onwudiwe, MD
Endocrinology, Diabetes & Metabolism Physician · Towson, MD
Oyiyechukwu Onwudiwe, MD is an endocrinology, diabetes & metabolism physician with a practice address in Towson, Maryland, and NPI 1083280952, issued on Jun 1, 2021. Check the license (Maryland D0106531, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Oyiyechukwu Onwudiwe
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- D0106531 MD
Self-reported in NPPES; status is on the state search - Practice location
- 515 Fairmount Ave Ste 320, Towson, MD 21286
- Phone
- (410) 486-0497
- Enumerated
- Jun 1, 2021
- Record last updated
- Jun 24, 2026
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 314 in Maryland → Look up another NPI →
Also registered at 515 Fairmount Ave Ste 320
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Vissing, MDInternal Medicine Physician1457352395
Verify Oyiyechukwu Onwudiwe in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0106531Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
313 Medicare Part D claims for 128 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 58% of claims.
Most prescribed
- Ozempic41 claims
- Lantus Solostar35 claims
- Levothyroxine Sodium23 claims
- Metformin Hcl Er19 claims
- Insulin Lispro Kwikpen U-10016 claims
- Trulicity13 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.
Oyiyechukwu Onwudiwe among 314 endocrinology, diabetes & metabolism physician records in Maryland
Oyiyechukwu Onwudiwe, MD is one of 314 endocrinology, diabetes & metabolism physician records with a practice address in Maryland. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 98% of them.
- NPI issued2021 · 98% of these records are older, 2% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 61% of these records are
- Record last updated2026 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Maryland
There are 314 endocrinology, diabetes & metabolism physician records in Maryland.
All 314 in Maryland → Every provider in Towson → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Yoon Kook Kim, MDBaltimore, MD 212861205332038
- Shivani Narasimhan, M.D.Towson, MD 212861649279787
- Douglas Ball, M.D.Baltimore, MD 212871952366007
- Todd Brown, M.D.Baltimore, MD 212871780642264
- Rachel Chong, M.D.Baltimore, MD 212871346291291
- David Cooper, M.D.Baltimore, MD 212871932159480
- Adrian Dobs, M.D.Baltimore, MD 212871639126667
- Thomas Donner, M.D.Baltimore, MD 212871659329977
Common questions
What is Oyiyechukwu Onwudiwe, MD's NPI number?
Oyiyechukwu Onwudiwe, MD's National Provider Identifier (NPI) is 1083280952, issued on Jun 1, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Oyiyechukwu Onwudiwe, MD located?
The NPPES record lists a practice address at 515 Fairmount Ave Ste 320, Towson, MD, 21286. Phone: (410) 486-0497. Providers update this record themselves, so call before visiting.
How can I verify Oyiyechukwu Onwudiwe, MD's license?
NPPES lists Maryland license number D0106531, 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 Oyiyechukwu Onwudiwe, MD prescribe under Medicare Part D?
In 2024, Oyiyechukwu Onwudiwe, MD had 313 Medicare Part D claims for 128 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.