Emmanuel Onyeyirim, MD
NPI 1790281897 · Emergency Medicine Physician · Pennington, NJ
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Emmanuel Onyeyirim, MD is a Emergency Medicine Physician provider in Pennington, NJ (NPI 1790281897).
Provider details
- NPI number
- 1790281897
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 25MA11264200 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
468 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 High Level of Medical Decision Making99285 | 223 | $178 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 179 | $124 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 66 | $73 |
Typical Medicare-allowed amounts for these services range $73–$178 (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 |
|---|---|---|
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 36 | 36 |
| Doxycycline Hyclate | 31 | 31 |
| Ibuprofen | 31 | 31 |
| Dicyclomine Hcl | 27 | 27 |
| Ondansetronbrand: Ondansetron Odt | 25 | 24 |
| Prednisone | 25 | 23 |
| Cephalexin | 22 | 22 |
Practice location
Mailing address
Additional practice locations (1)
- 30 Prospect AveHackensack, NJ 07601-1915Phone: (551) 996-2331Fax: (551) 996-0937
Registry dates
- Enumerated
- 2018-04-05
- Last updated
- 2024-03-23
- Certified
- 2024-03-23
Frequently asked questions
- What is Emmanuel Onyeyirim's NPI number?
- Emmanuel Onyeyirim's National Provider Identifier (NPI) is 1790281897, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Emmanuel Onyeyirim's specialty?
- Emmanuel Onyeyirim is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Emmanuel Onyeyirim located?
- Emmanuel Onyeyirim's practice location on file with NPPES is 1 Capital Way, Pennington, NJ 08534-2520.
- What is Emmanuel Onyeyirim's phone number?
- The practice phone number listed in the NPPES registry for Emmanuel Onyeyirim is (609) 303-0410.
- Does Emmanuel Onyeyirim accept Medicare?
- Emmanuel Onyeyirim is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Emmanuel Onyeyirim's NPI active?
- Yes — Emmanuel Onyeyirim's NPI (1790281897) is active in the NPPES registry as of the last update on 2024-03-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.