Christy Marks, FNP

Primary specialty

Nurse PractitionerTaxonomy code 363L00000X

License

34634 Issued in TN

Practice address

1650 W Harrison St
Chicago, IL 60612-3800

Phone

(312) 942-3326

NPI assigned

Nov 2, 2016

Last updated

Aug 17, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 4

Addresses

Other names 1

• Christy L Marks Professional name

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

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: cdavis187277@direct.rush.rush-health.com

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

• Physicians Immediate Care North Chicago LLC

  • Urgent Care Clinic/Center
  • Chicago, IL
  • NPI 1205814118
  Medicare reassignment NPD
• Harvey Emergency Physicians, PLLC

  • Emergency Medicine Physician
  • Calumet City, IL
  • NPI 1184281651

  Nurse Practitioner

  NPD

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

{
    "created_epoch": "1478044800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786924800000",
    "number": "1619429909",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1650 W HARRISON ST",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606123800"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1650 W HARRISON ST",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606123800",
            "telephone_number": "312-942-3326"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARKS",
        "first_name": "CHRISTY",
        "credential": "FNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2016-11-02",
        "last_updated": "2026-08-17",
        "certification_date": "2026-08-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "IL",
            "license": "209014969",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "IN",
            "license": "71009098A",
            "primary": false
        },
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "TN",
            "license": "34634",
            "primary": true
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "IL",
            "license": "209014969",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "CHRISTY",
            "last_name": "MARKS",
            "middle_name": "L",
            "credential": "FNP",
            "code": "2",
            "type": "Professional Name"
        }
    ]
}

• Tracy Markowitz, PT
• Natalie Lynn Marks Schneiderman, DVM
• Alexandra K Marks-Clark, DIPL.LAC, MSOM, NMD
• Alexis Brooke Marks, LSW
• Amy Elizabeth Marks
• Daniel Marks
• Hayley Kathlene Marks, CCC-SLP
• Irene Marks, APN
• Jack Arnold Marks, D.D.S.
• Jami Marks, LCSW

• Nurse Practitioner in Chicago, IL
• Providers in Chicago, IL by specialty
• Nurse Practitioner in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 17, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.