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

Clair M Oja, DNP, PMHNP

Individual provider Registered Nurse · NPI 1558681478

Clair M Oja, DNP, PMHNP is a Nurse Practitioner in Ashburn, Virginia. Qualified in 2006, 20 years ago. Practices with Commonwealth Counseling Associates Inc, a 200-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Virginia.

Years since qualifying
20
Licensed in
VA
In the registry since
2010
Specialties on file
3
What do these letters mean?
DNP — Doctor of Nursing Practice
The highest clinical degree in nursing.
PMHNP — Psychiatric-Mental Health Nurse Practitioner
A nurse practitioner specialising in mental health, able to prescribe psychiatric medication.

See every abbreviation used in this directory →

Practice location Address checks out

20098 Ashbrook Pl Ste 255
Ashburn, VA 20147-3394
Phone: (804) 207-6737
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 0024168599 (VA)
Registered Nurse Taxonomy 163W00000X · Licence 0001222539 (VA)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence 0024168599 (VA)

Record details

NPI number1558681478
Entity typeIndividual (Type 1)
GenderFemale
Credentials DNP , PMHNP
Sole proprietorYes
NPI enumeratedJune 2, 2010
Last updated in NPPESMarch 13, 2025
Certification dateMarch 13, 2025

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2006 (20 years in practice)
Group practice Commonwealth Counseling Associates Inc — 200 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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