DEMETRIUS MARCOULIDES NP
NPI 1952887093
Nurse Practitioner - Gerontology in Madison, WI
About Demetrius Marcoulides Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DEMETRIUS MARCOULIDES NP (NPI 1952887093) is an individual gerontology provider in Madison, Wisconsin, licensed in Illinois (277.005052) and active in the NPI registry since July 2018. He is enrolled in Medicare PECOS and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Demetrius Marcoulides Np is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Demetrius Marcoulides reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60608
- Reassigned Medicare billing, Illinois enrollment
- 123 clinicians in this Medicare group
Chicago, IL 60617
- Reassigned Medicare billing, Illinois enrollment
- 343 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53703 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Demetrius Marcoulides's NPI number?
The NPI number for Demetrius Marcoulides is 1952887093. It was assigned to this individual provider in the NPPES registry on July 12, 2018.
Where is Demetrius Marcoulides located?
Demetrius Marcoulides practices at 675 W Washington Ave, Madison, WI 53703. The listed phone number is (608) 251-4156.
What is Demetrius Marcoulides's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Gerontology, with taxonomy code 363LG0600X.
Is Demetrius Marcoulides enrolled in Medicare?
Yes. Demetrius Marcoulides is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Demetrius Marcoulides's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Demetrius Marcoulides reassigns Medicare benefits to 2 organizations: Esperanza Health Centers (Chicago, IL) and Oak Street Health Physicians Group, PC (Chicago, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Demetrius Marcoulides's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Demetrius Marcoulides accept?
Health plans from Group Health Cooperative-SCW, MercyCare, MercyCare Health Plans and Oscar Health list Demetrius Marcoulides as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Demetrius Marcoulides was last updated on July 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Demetrius Marcoulides, NP · NPI 1952887093
Gerontology physician in Madison, Wisconsin. Individual provider, active in the CMS NPPES registry since July 12, 2018.
## Identity
- **NPI:** 1952887093 (Entity type: Individual)
- **Enumerated:** July 12, 2018
- **Primary specialty:** Nurse Practitioner - Gerontology · taxonomy 363LG0600X
- **State license:** 277.005052 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 675 W WASHINGTON AVE, Madison, WI 53703-2637
- **Phone:** (608) 251-4156
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Esperanza Health Centers (NPI 1124187125, Chicago, IL); Oak Street Health Physicians Group, PC (NPI 1083051643, Chicago, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** July 29, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1952887093) · Data from the CMS NPPES public registry.