Demetrius Marcoulides, NP

Primary specialty

Gerontology Nurse PractitionerTaxonomy code 363LG0600X

License

277.005052 Issued in IL

Practice address

675 W Washington Ave
Madison, WI 53703-2637

Phone

(608) 251-4156

NPI assigned

Jul 12, 2018

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in IL

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Nurse Practitioner

Education

Other, 2017

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Oak Street Health Physicians Group PCGroup PAC ID 7517109879, 227 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://api.platform.athenahealth.com/11903/brand/1/csg/1/fhir/r4

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Oak Street Health Physicians Group, PC

  • Primary Care Clinic/Center
  • Chicago, IL
  • NPI 1083051643
  Medicare reassignment Care Compare group NPD
• Esperanza Health Centers

  • Federally Qualified Health Center (FQHC)
  • Chicago, IL
  • NPI 1124187125
  Medicare reassignment NPD
• Esperanza Health Centers

  • Federally Qualified Health Center (FQHC)
  • Chicago, IL
  • NPI 1659127199
  NPD
• Esperanza Health Centers

  • Federally Qualified Health Center (FQHC)
  • Chicago, IL
  • NPI 1669812582
  NPD

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1531353600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785283200000",
    "number": "1952887093",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1265 JOHN Q HAMMONS DR",
            "city": "MADISON",
            "state": "WI",
            "postal_code": "537171921",
            "telephone_number": "608-251-4156"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "675 W WASHINGTON AVE",
            "city": "MADISON",
            "state": "WI",
            "postal_code": "537032637",
            "telephone_number": "608-251-4156"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARCOULIDES",
        "first_name": "DEMETRIUS",
        "credential": "NP",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-07-12",
        "last_updated": "2026-07-29",
        "certification_date": "2026-07-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LG0600X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Gerontology",
            "state": "IL",
            "license": "277.005052",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Wendy Lynn Marchant, AUD.
• Ande Rainn Marchini, MD
• Clayton Thomas Marcinak, MD
• Carin Marcott, APNP
• Megan A Marcou, PA-C
• Mary Susan Marcus
• Marek Clinic of Chiropractic, L.L.C.
• Jeffrey Neil Margenau, SAC-IT
• Amanda Renee Margolis, PHARMD
• David A Margolis, MD

• Gerontology Nurse Practitioner in Madison, WI
• Providers in Madison, WI by specialty
• Gerontology Nurse Practitioner in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 29, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.