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

Dr. James Nicholas Demas, ARNP, DNP

Individual provider Family Nurse Practitioner · NPI 1710612858

Dr. James Nicholas Demas, ARNP, DNP is a Family Nurse Practitioner in Seattle, Washington. Licensed in Washington. Registered with an NPI since 2022.

Licensed in
WA
In the registry since
2022
Specialties on file
3
What do these letters mean?
ARNP — Advanced Registered Nurse Practitioner
The title some states use for an advanced practice nurse.
DNP — Doctor of Nursing Practice
The highest clinical degree in nursing.

See every abbreviation used in this directory →

Practice location Address checks out

550 17th Ave Fl 6
Seattle, WA 98122-5788
Phone: (206) 861-8550
Fax: (206) 861-8551
Show map & directions

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

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence AP61336321 (WA)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence AP.61336321 (WA)
Registered Nurse Taxonomy 163W00000X · Licence RN61155865 (WA)

Record details

NPI number1710612858
Entity typeIndividual (Type 1)
GenderMale
Credentials ARNP , DNP
Sole proprietorNo
NPI enumeratedJuly 21, 2022
Last updated in NPPESDecember 1, 2022
Certification dateDecember 1, 2022

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