Joseph Nnadike, MD
NPI 1497705701 · Emergency Medicine Physician · Washington, DC
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Nnadike, MD is a Emergency Medicine Physician provider in Washington, DC (NPI 1497705701).
Provider details
- NPI number
- 1497705701
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD21705 (DC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
433 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 182 | $114 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 100 | $165 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 80 | $67 |
| Critical Care, First 30-74 Minutes99291 | 46 | $201 |
| Emergency Department Visit With Straightforward Medical Decision Making99282 | 25 | $40 |
Typical Medicare-allowed amounts for these services range $40–$201 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 38 | 38 |
| Ondansetronbrand: Ondansetron Odt | 33 | 32 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 22 | 22 |
| Ciprofloxacin Hcl | 19 | 19 |
| Ibuprofen | 17 | 17 |
| Cephalexin | 16 | 16 |
| Tramadol Hcl | 16 | 16 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-10
- Last updated
- 2023-03-07
Frequently asked questions
- What is Joseph Nnadike's NPI number?
- Joseph Nnadike's National Provider Identifier (NPI) is 1497705701, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Nnadike's specialty?
- Joseph Nnadike is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Nnadike located?
- Joseph Nnadike's practice location on file with NPPES is 1310 Southern Ave Se, Washington, DC 20032-4699.
- What is Joseph Nnadike's phone number?
- The practice phone number listed in the NPPES registry for Joseph Nnadike is (202) 574-6000.
- Does Joseph Nnadike accept Medicare?
- Joseph Nnadike is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Nnadike's NPI active?
- Yes — Joseph Nnadike's NPI (1497705701) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.