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

Dr. William Stephen Sutton-Ohannesian, DNP, PMHNP-BC

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1013261965

Dr. William Stephen Sutton-Ohannesian, DNP, PMHNP-BC is a Nurse Practitioner in Falmouth, Massachusetts. Graduated from University of Maryland School of Medicine in 2018, 8 years ago. Practices with Child and Family Psychological Services PLLC, a 255-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts and Maryland.

Years since qualifying
8
Trained at
University of Maryland School of Medicine
Licensed in
MA, MD
In the registry since
2012
Specialties on file
2
What do these letters mean?
DNP — Doctor of Nursing Practice
The highest clinical degree in nursing.
PMHNP-BC — Psychiatric-Mental Health Nurse Practitioner, Board Certified
A board-certified psychiatric nurse practitioner.

See every abbreviation used in this directory →

Practice location Address checks out

100 Ter Heun Dr
Falmouth, MA 02540-2599
Phone: (508) 548-5300
Show map & directions

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

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence RN2278863 (MA)
Psychiatric/Mental Health Nurse Practitioner Taxonomy 363LP0808X · Licence R222558 (MD)

Record details

NPI number1013261965
Entity typeIndividual (Type 1)
GenderMale
Credentials DNP , PMHNP-BC
Sole proprietorNo
NPI enumeratedOctober 30, 2012
Last updated in NPPESMay 26, 2023
Certification dateMay 26, 2023

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolUNIVERSITY OF MARYLAND SCHOOL OF MEDICINE
Graduated 2018 (8 years in practice)
Group practice Child And Family Psychological Services Pllc — 255 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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