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

Demetrius Marcoulides, NP

Individual provider Gerontology Nurse Practitioner · NPI 1952887093

Demetrius Marcoulides, NP is a Nurse Practitioner in Madison, Wisconsin. Qualified in 2017, 9 years ago. Practices with Oak Street Health Physicians Group PC, a 234-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
9
Licensed in
IL
In the registry since
2018
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

675 W Washington Ave
Madison, WI 53703-2637
Phone: (608) 251-4156
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Gerontology Nurse Practitioner (primary) Taxonomy 363LG0600X · Licence 277.005052 (IL)

Record details

NPI number1952887093
Entity typeIndividual (Type 1)
GenderMale
Credentials NP
Sole proprietorNo
NPI enumeratedJuly 12, 2018
Last updated in NPPESJuly 29, 2026
Certification dateJuly 29, 2026
Mailing address1265 John Q Hammons Dr, Madison, WI 53717-1921

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2017 (9 years in practice)
Group practice Oak Street Health Physicians Group Pc — 234 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Madison