Joseph O. Nnadike, MD
Emergency Medicine Physician · Washington, DC
Joseph O. Nnadike, MD is an emergency medicine physician with a practice address in Washington, District of Columbia, and NPI 1497705701, issued on May 10, 2006. Check the license (District of Columbia MD21705, as entered in NPPES) on the District of Columbia Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Joseph O. Nnadike
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- MD21705 DC
18510 WV
Self-reported in NPPES; status is on the state search - Practice location
- 1310 Southern Ave SE, Washington, DC 20032
- Phone
- (202) 574-6000
- Enumerated
- May 10, 2006
- Record last updated
- Mar 7, 2023
- Medicaid ID
- 017124400 DC
- Medicare enrollment
- Enrolled (PECOS I20180718000053); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 360 in District of Columbia → Look up another NPI →
Also registered at 1310 Southern Ave SE
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Joseph O. Nnadike in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDistrict of Columbia Board of Medicine
Search for license MD21705Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% more Medicare Part D claims than the average emergency medicine physician in 2024
340 Medicare Part D claims for 221 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 47 claims were for opioids.
Most prescribed
- Prednisone38 claims
- Ondansetron Odt33 claims
- Amoxicillin-Clavulanate Potass22 claims
- Ciprofloxacin Hcl19 claims
- Ibuprofen17 claims
- Cephalexin16 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.
The MIPS final score for 2023 (Medicare payment program): 94.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Professional Emergency Physician Services, LLCOakland, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joseph O. Nnadike among 360 emergency medicine physician records in District of Columbia
Joseph O. Nnadike, MD is one of 360 emergency medicine physician records with a practice address in District of Columbia. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 68% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 44% of these records are
- Graduated1988 · median 2014 among the 160 with a school on file
- Record last updated2023 · 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 207P00000X and a District of Columbia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
360 emergency medicine physician records list a practice address in Washington
They are 360 of the 45,857 NPPES records with a practice address in Washington, and 360 emergency medicine physician records in District of Columbia.
All 360 in District of Columbia → Every provider in Washington → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Addie Boone, MDWashington, DC 200321659762425
- Roosevelt Brandly, MDWashington, DC 200321033168455
- Richmond Castillo, MDWashington, DC 200321811456015
- Kimberly Chernoby, MD, JDWashington, DC 200321821527581
- Christopher Clifford, MDWashington, DC 200321295222339
- Laura Fox, MDWashington, DC 200321346270758
- Mohammad GhandiWashington, DC 200321386694735
- John Kelly, MDWashington, DC 200321285685768
Common questions
What is Joseph O. Nnadike, MD's NPI number?
Joseph O. Nnadike, MD's National Provider Identifier (NPI) is 1497705701, issued on May 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joseph O. Nnadike, MD located?
The NPPES record lists a practice address at 1310 Southern Ave SE, Washington, DC, 20032. Phone: (202) 574-6000. Providers update this record themselves, so call before visiting.
How can I verify Joseph O. Nnadike, MD's license?
NPPES lists District of Columbia license number MD21705, as entered by the provider. Search the District of Columbia Board of Medicine at https://dchealth.dc.gov/bomed. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Joseph O. Nnadike, MD prescribe under Medicare Part D?
In 2024, Joseph O. Nnadike, MD had 340 Medicare Part D claims for 221 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Joseph O. Nnadike, MD's MIPS final score?
The 2023 MIPS final score is 94.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.