Chidumga Onuigbo-Oben, FNP
NPI 1790924413 · Nurse Practitioner · Lynn, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chidumga Onuigbo-Oben, FNP is a Nurse Practitioner provider in Lynn, MA (NPI 1790924413).
Provider details
- NPI number
- 1790924413
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- RN2257742 (MA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 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
55 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 42 | $119 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 13 | $166 |
Typical Medicare-allowed amounts for these services range $119–$166 (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 · 38 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Olanzapine | 108 | 19 |
| Clozapine | 98 | — |
| Benztropine Mesylate | 82 | 20 |
| Lamotrigine | 66 | — |
| Buspirone Hcl | 62 | 12 |
| Fluoxetine Hcl | 58 | — |
| Risperidone | 55 | — |
| Divalproex Sodiumbrand: Divalproex Sodium Er | 51 |
Practice location
Mailing address
Additional practice locations (1)
- 95 Pleasant StLynn, MA 01901-1524Phone: (781) 230-8403Fax: (781) 592-0581
Registry dates
- Enumerated
- 2009-02-19
- Last updated
- 2023-09-08
- Certified
- 2023-09-08
Frequently asked questions
- What is Chidumga Onuigbo-Oben's NPI number?
- Chidumga Onuigbo-Oben's National Provider Identifier (NPI) is 1790924413, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chidumga Onuigbo-Oben's specialty?
- Chidumga Onuigbo-Oben is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Chidumga Onuigbo-Oben located?
- Chidumga Onuigbo-Oben's practice location on file with NPPES is 10 Boynton St, Lynn, MA 01904-2505.
- What is Chidumga Onuigbo-Oben's phone number?
- The practice phone number listed in the NPPES registry for Chidumga Onuigbo-Oben is (617) 816-6209.
- Does Chidumga Onuigbo-Oben accept Medicare?
- Chidumga Onuigbo-Oben is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chidumga Onuigbo-Oben's NPI active?
- Yes — Chidumga Onuigbo-Oben's NPI (1790924413) is active in the NPPES registry as of the last update on 2023-09-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.