John Dahunsi, DNP
Psychiatric/Mental Health Nurse Practitioner · Olney, MD
John Dahunsi, DNP is a psychiatric/mental health nurse practitioner with a practice address in Olney, Maryland, and NPI 1386378735, issued on Jul 12, 2022. Check the license (Maryland R201599, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John Dahunsi
- Credential
- DNP
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- R201599 MD
Self-reported in NPPES; status is on the state search - Practice location
- 17709 Queen Elizabeth Dr, Olney, MD 20832
- Phone
- (301) 305-9738
- Enumerated
- Jul 12, 2022
- Record last updated
- Jul 10, 2023
- Medicare enrollment
- Enrolled (PECOS I20221119000503); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 2,373 in Maryland → Look up another NPI →
Verify John Dahunsi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license R201599Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
41% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
537 Medicare Part D claims for 48 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Sertraline Hcl31 claims
- Bupropion Xl25 claims
- Escitalopram Oxalate25 claims
- Duloxetine Hcl24 claims
- Hydroxyzine Hcl24 claims
- Gabapentin23 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.
Industry payments in 2024: $1,276.26
54 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 23,362 providers of this specialty with any payment received $1,027.77 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Lifespan Behavioral Health Nevada PCHenderson, NV
- Lifespan Behavioral Health Services PCFrederick, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Dahunsi among 2,373 psychiatric/mental health nurse practitioner records in Maryland
John Dahunsi, DNP is one of 2,373 psychiatric/mental health nurse practitioner records with a practice address in Maryland. 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 2022, is newer than 56% of them.
- NPI issued2022 · 56% of these records are older, 35% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2022 · median 2021 among the 1,409 with a school on file
- Record last updated2023 · 19% 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 Maryland 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 Maryland
There are 2,373 psychiatric/mental health nurse practitioner records in Maryland.
All 2,373 in Maryland → Every provider in Olney → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Merysah AringoOlney, MD 208321114550746
- Lauren Sundergill, PMHNPOlney, MD 208321144975343
- Martha Chonchoro, PMHNP-BCBoyds, MD 208411790549772
- Marcelline EnyejiBoyds, MD 208411922800481
- Betsy Brach, CRNPBethesda, MD 208171518953371
- Ollyne GabbidonBethesda, MD 208171649140823
- Kokouvi Hiheglo, CRNP-PMHBethesda, MD 208171649020850
- Monet Ince-Amara, CRNPBethesda, MD 208161801449186
Common questions
What is John Dahunsi, DNP's NPI number?
John Dahunsi, DNP's National Provider Identifier (NPI) is 1386378735, issued on Jul 12, 2022. An NPI identifies a provider in billing; it is not a license.
Where is John Dahunsi, DNP located?
The NPPES record lists a practice address at 17709 Queen Elizabeth Dr, Olney, MD, 20832. Phone: (301) 305-9738. Providers update this record themselves, so call before visiting.
How can I verify John Dahunsi, DNP's license?
NPPES lists Maryland license number R201599, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does John Dahunsi, DNP prescribe under Medicare Part D?
In 2024, John Dahunsi, DNP had 537 Medicare Part D claims for 48 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. 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.