Chidumga Mercy Onuigbo-Oben, FNP
Nurse Practitioner · Lynn, MA
Chidumga Mercy Onuigbo-Oben, FNP is a nurse practitioner with a practice address in Lynn, Massachusetts, and NPI 1790924413, issued on Feb 19, 2009. Check the license (Massachusetts F12200684, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Chidumga Mercy Onuigbo-Oben
- Credential
- FNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License numbers
- F12200684 MA
RN2257742 MA
Self-reported in NPPES; status is on the state search - Practice location
- 10 Boynton St, Lynn, MA 01904
- Phone
- (617) 816-6209
- Enumerated
- Feb 19, 2009
- Record last updated
- Sep 8, 2023
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 3,480 in Massachusetts → Look up another NPI →
Verify Chidumga Mercy Onuigbo-Oben in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license F12200684Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% more Medicare Part D claims than the average nurse practitioner in 2024
1,558 Medicare Part D claims for 89 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Olanzapine108 claims
- Clozapine98 claims
- Benztropine Mesylate82 claims
- Lamotrigine66 claims
- Buspirone Hcl62 claims
- Fluoxetine Hcl58 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.
Chidumga Mercy Onuigbo-Oben among 3,480 nurse practitioner records in Massachusetts
Chidumga Mercy Onuigbo-Oben, FNP is one of 3,480 nurse practitioner records with a practice address in Massachusetts. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 33% of them.
- NPI issued2009 · 33% of these records are older, 64% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 56% of these records are
- Record last updated2023 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
31 nurse practitioner records list a practice address in Lynn
They are 31 of the 2,030 NPPES records with a practice address in Lynn, and 3,480 nurse practitioner records in Massachusetts.
All 3,480 in Massachusetts → Every provider in Lynn → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Pamela Caires, NPLynn, MA 019041205893278
- Debra Mello-Byrne, NPLynn, MA 019041497127906
- Melissa Nee, NPLynn, MA 019041073235537
- Veronica Pena Vargas, NPLynn, MA 019041376599126
- Bethann Rowlands, DNP, GNP-BCLynn, MA 019041457416786
- Nadiya Rutman, RN BSN/ CNPLynn, MA 019041215475918
- Christina IorioLynn, MA 019051609517549
- Nida Lam, NPLynn, MA 019051780998765
Common questions
What is Chidumga Mercy Onuigbo-Oben, FNP's NPI number?
Chidumga Mercy Onuigbo-Oben, FNP's National Provider Identifier (NPI) is 1790924413, issued on Feb 19, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Chidumga Mercy Onuigbo-Oben, FNP located?
The NPPES record lists a practice address at 10 Boynton St, Lynn, MA, 01904. Phone: (617) 816-6209. Providers update this record themselves, so call before visiting.
How can I verify Chidumga Mercy Onuigbo-Oben, FNP's license?
NPPES lists Massachusetts license number F12200684, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Chidumga Mercy Onuigbo-Oben, FNP prescribe under Medicare Part D?
In 2024, Chidumga Mercy Onuigbo-Oben, FNP had 1,558 Medicare Part D claims for 89 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions 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. 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.