Joseph A. Obasanya, FNP
Psychiatric/Mental Health Nurse Practitioner · Wilmington, DE
Joseph A. Obasanya, FNP is a psychiatric/mental health nurse practitioner with a practice address in Wilmington, Delaware, and NPI 1770095788, issued on Oct 31, 2017. Check the license (Delaware L8-0011059, as entered in NPPES) with the Delaware board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Joseph A. Obasanya
- Credential
- FNP
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License numbers
- L8-0011059 DE
AC005066 MD
Self-reported in NPPES; status is on the state search - Practice location
- 1601 Milltown RD Ste 2, Wilmington, DE 19808
- Phone
- (302) 463-8438
- Enumerated
- Oct 31, 2017
- Record last updated
- Jul 17, 2026
- Medicare enrollment
- Enrolled (PECOS I20171204002233); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 273 in Delaware → Look up another NPI →
Also registered at 1601 Milltown RD Ste 2
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joyce Brown, APRNPrimary Care Nurse Practitioner1205374139
- Jasmine Davis, DNP, APRN, FNP-CFamily Nurse Practitioner1285492975
- Jane Gathura, FNPNurse Practitioner1174032775
- Serah MuhoroNurse Practitioner1184134801
- Evalyne Mwangi, DNPFamily Nurse Practitioner1265203061
- Elizabeth Ngugi-Wamae, FNPPrimary Care Nurse Practitioner1528664992
Verify Joseph A. Obasanya in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Delaware board licenses this profession
Search for license L8-0011059Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.6 times the Medicare Part D claims of the average psychiatric/mental health nurse practitioner in 2024
2,379 Medicare Part D claims for 200 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 109 claims were for opioids.
Most prescribed
- Amlodipine Besylate111 claims
- Furosemide95 claims
- Atorvastatin Calcium89 claims
- Levothyroxine Sodium85 claims
- Eliquis76 claims
- Mirtazapine76 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): 88.7 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
- Post Acute Specialty Care LLCWilmington, DE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joseph A. Obasanya among 273 psychiatric/mental health nurse practitioner records in Delaware
Joseph A. Obasanya, FNP is one of 273 psychiatric/mental health nurse practitioner records with a practice address in Delaware. 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 2017, is newer than 29% of them.
- NPI issued2017 · 29% of these records are older, 68% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2009 · median 2021 among the 172 with a school on file
- Record last updated2026 · 15% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatric/Mental Health Nurse Practitioner providers in Delaware
There are 273 psychiatric/mental health nurse practitioner records in Delaware.
All 273 in Delaware → Every provider in Wilmington → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Christine AmorielloWilmington, DE 198081689465882
- Gayla Cragg, CRNP-PMHWilmington, DE 198081730728098
- Jennifer Devaughn, CRNP-PMHWilmington, DE 198081467152033
- James Geer, PHMNPWilmington, DE 198081356179204
- Elizabeth GichemaWilmington, DE 198081356860167
- Kristin McCall, PMHNPWilmington, DE 198081619371176
- Jenika Miles, N.P.Wilmington, DE 198081255503892
- Eric Neba, PMHNPWilmington, DE 198081770193807
Common questions
What is Joseph A. Obasanya, FNP's NPI number?
Joseph A. Obasanya, FNP's National Provider Identifier (NPI) is 1770095788, issued on Oct 31, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Joseph A. Obasanya, FNP located?
The NPPES record lists a practice address at 1601 Milltown RD Ste 2, Wilmington, DE, 19808. Phone: (302) 463-8438. Providers update this record themselves, so call before visiting.
How can I verify Joseph A. Obasanya, FNP's license?
NPPES lists Delaware license number L8-0011059, as entered by the provider. Search the Delaware board that licenses this profession; the NPPES record confirms identity only.
How much does Joseph A. Obasanya, FNP prescribe under Medicare Part D?
In 2024, Joseph A. Obasanya, FNP had 2,379 Medicare Part D claims for 200 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. Part D covers Medicare prescriptions only.
What is Joseph A. Obasanya, FNP's MIPS final score?
The 2023 MIPS final score is 88.7 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.