John Nnamdi Onyeachonam, RPH
Pharmacist · Capitol Heights, MD
John Nnamdi Onyeachonam, RPH is a pharmacist with a practice address in Capitol Heights, Maryland, and NPI 1942647557, issued on May 23, 2013. Check the license (Maryland 18512, as entered in NPPES) with the Maryland board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John Nnamdi Onyeachonam
- Credential
- RPH
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 18512 MD
Self-reported in NPPES; status is on the state search - Practice location
- 1264 Benning RD, Capitol Heights, MD 20743
- Phone
- (301) 793-4538
- Enumerated
- May 23, 2013
- Record last updated
- May 23, 2013 (not updated in 13 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 5,562 in Maryland → Look up another NPI →
Verify John Nnamdi Onyeachonam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license 18512Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John Nnamdi Onyeachonam among 5,562 pharmacist records in Maryland
John Nnamdi Onyeachonam, RPH is one of 5,562 pharmacist records with a practice address in Maryland. 10% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2013, is newer than 32% of them.
- NPI issued2013 · 32% of these records are older, 64% newer
- In a Medicare fileNo · 10% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2013 · 78% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 183500000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
5 pharmacist records list a practice address in Capitol Heights
They are 5 of the 311 NPPES records with a practice address in Capitol Heights, and 5,562 pharmacist records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 5,562 in Maryland → Every provider in Capitol Heights → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Folorunsho Ayeni, RPHCapitol Heights, MD 207431649936667
- Samuel Aze, RPHSeat Pleasant, MD 207431003116955
- Fritz Demanou, PHARMD,RPHSeat Pleasant, MD 207431508124819
- Robin GarnettSeat Pleasant, MD 207431144636689
- Paula Ingram Darasaw, PHARMDCapitol Heights, MD 207431578017117
- Delina Meskel, PHAMDSeat Pleasant, MD 207431659920205
- Armelle Ndjeumen NjinguetCapitol Heights, MD 207431417300724
- Esther Omenankiti, RPHSeat Pleasant, MD 207431053611814
Common questions
What is John Nnamdi Onyeachonam, RPH's NPI number?
John Nnamdi Onyeachonam, RPH's National Provider Identifier (NPI) is 1942647557, issued on May 23, 2013. An NPI identifies a provider in billing; it is not a license.
Where is John Nnamdi Onyeachonam, RPH located?
The NPPES record lists a practice address at 1264 Benning RD, Capitol Heights, MD, 20743. Phone: (301) 793-4538. Providers update this record themselves, so call before visiting.
How can I verify John Nnamdi Onyeachonam, RPH's license?
NPPES lists Maryland license number 18512, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity 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. 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.