Individual provider Active NPI

Mark Steven Stolspart, FNP-BC

  • Family Nurse Practitioner
  • Chicago, IL
National Provider Identifier
1437428786
Registry record updated Mar 27, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
277.005006 Issued in IL
Practice address
4848 W Irving Park Rd
Chicago, IL 60641-2718
Phone
(773) 724-6200
NPI assigned
Dec 15, 2011
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 27, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Nurse Practitioner 363LF0000X 277.005006 IL Primary

Addresses

Primary practice location

4848 W Irving Park Rd
Chicago, IL 60641-2718

Mailing address

PO Box 746715
Atlanta, GA 30374-6715
Phone (773) 724-6200

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20120210000565 IL Practitioner - Nurse Practitioner 2961669429 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2011
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)

4848 W Irving Park Rd
Chicago, IL 60641-2718
Phone (855) 625-7878

Hospital & facility affiliations

  • Residential Home Health Home health agency, Northbrook, IL, CCN 147001
  • Swedish Hospital Hospital, Chicago, IL, CCN 140114
  • Saint Francis Hospital-Evanston Hospital, Evanston, IL, CCN 140080
  • Northwestern Memorial Hospital Hospital, Chicago, IL, CCN 140281

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
277.005006ILMDFamily Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Access Community Health Network CurrentSince Nov 21, 2012 Accepting new patients
Oak Street Health Physicians Group, PC Family CurrentSince May 9, 2022 Accepting new patients
Access Community Health Network Current Accepting new patients

Locations

4848 W Irving Park Rd
Chicago, IL 60641
Phone (773) 724-6200

1555 W Howard St
Chicago, IL 60626
Phone (773) 764-7146

Organizations & group practices 3

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.

Hospital & facility affiliations 4

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1323907200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1774569600000",
    "number": "1437428786",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 746715",
            "city": "ATLANTA",
            "state": "GA",
            "postal_code": "303746715",
            "telephone_number": "773-724-6200",
            "fax_number": "773-866-8015"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4848 W IRVING PARK RD",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606412718",
            "telephone_number": "773-724-6200"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "STOLSPART",
        "first_name": "MARK",
        "middle_name": "STEVEN",
        "name_prefix": "Mr.",
        "credential": "FNP-BC",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2011-12-15",
        "last_updated": "2026-03-27",
        "certification_date": "2026-03-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "IL",
            "license": "277.005006",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Chicago, IL

Sources for this page

Verify at the official NPI Registry.