Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. John Dahunsi, DNP

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1386378735

Dr. John Dahunsi, DNP is a Nurse Practitioner in Olney, Maryland. Qualified in 2022, 4 years ago. Practices with Lifespan Behavioral Health Services PC, a 29-clinician group, works from 4 locations, accepts Medicare assignment and offers telehealth. Licensed in Maryland.

Years since qualifying
4
Licensed in
MD
In the registry since
2022
What do these letters mean?
DNP — Doctor of Nursing Practice
The highest clinical degree in nursing.

See every abbreviation used in this directory →

Practice location Address checks out

17709 Queen Elizabeth Dr
Olney, MD 20832-2137
Phone: (301) 305-9738
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (3)

  • 1003 W 7th St Ste 200, Frederick, MD 21701-4106 — (301) 245-6300
  • 7474 Greenway Center Dr Ste 202, Greenbelt, MD 20770-3504 — (240) 304-6071
  • 3460 Olney Laytonsville Rd Ste 212, Olney, MD 20832-3701 — (301) 982-3437

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence R201599 (MD)

Record details

NPI number1386378735
Entity typeIndividual (Type 1)
GenderMale
Credentials DNP
Sole proprietorNo
NPI enumeratedJuly 12, 2022
Last updated in NPPESJuly 10, 2023
Certification dateJuly 10, 2023
Mailing address17709 Queen Elizabeth Dr, Olney, MD 20832-2137

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2022 (4 years in practice)
Group practice Lifespan Behavioral Health Services Pc — 29 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

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