Individual provider Active NPI

Karen A Decocker, DNP, PMHNP

  • Psychiatric/Mental Health Nurse Practitioner
  • Oak Brook, IL
National Provider Identifier
1629273834
Registry record updated Oct 7, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X
License
277.003915 Issued in IL
Practice address
1100 Jorie Blvd Ste 300
Oak Brook, IL 60523-2219
Phone
(630) 974-6602
Fax
(630) 487-2411
NPI assigned
Jun 18, 2007
Last updated
Oct 7, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 7, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Psychiatric/Mental Health Nurse Practitioner 363LP0808X 277.003915 IL Primary

Addresses

Primary practice location

1100 Jorie Blvd Ste 300
Oak Brook, IL 60523-2219

Mailing address

8000 Warren Woods Rd Lot 68
Three Oaks, MI 49128-9573
Phone (574) 220-4676

Other practice location 1

8000 Warren Woods Rd Lot 68
Three Oaks, MI 49128-9573
Phone (708) 263-4650

Other identifiers 1

IdentifierTypeStateIssuer
5215366MedicaidMI

Other names 1

  • Karen Ann Sandock Former name

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
I20210409001561 IL Practitioner - Nurse Practitioner 0446345375 Reassigns benefits to 2 organizations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
209013436ILMDPsychiatric/Mental Health Nurse Practitioner
277.003915ILMDPsychiatric/Mental Health Nurse Practitioner
290.013436ILMDPsychiatric/Mental Health Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Rush University Medical Group CurrentSince Mar 1, 2021 Accepting new patients
Erie Family Health Center Inc. CurrentSince Jan 24, 2016 Accepting new patients
Rush University Medical Center CurrentSince Mar 1, 2021 Accepting new patients
Lipov Medical SC Psychiatric/Mental Health CurrentSince Dec 31, 2025 Accepting new patients
Erie Family Health Center Inc CurrentSince Jan 24, 2016 Accepting new patients
Erie Family Health Center, Inc Current Accepting new patients
Cultivate Mental Health PC Psychiatric/Mental Health PastSince Apr 6, 2021 Accepting new patients
Three Shores Health Care PastSince Oct 22, 2023 Accepting new patients

Locations

1504 S Albany Ave
Chicago, IL 60623

1645 W Jackson Blvd
Ste 602
Chicago, IL 60612
Phone (312) 942-8387

1700 W Van Buren St
#500
Chicago, IL 60612
Phone (312) 563-2875

1701 W Superior St
Fl 3
Chicago, IL 60622
Phone (312) 432-2056

2418 W Division St
Chicago, IL 60622
Phone (312) 432-2621

75 Remittance Dr
Dept 1611
Chicago, IL 60675

1 E Oakhill Dr
Ste 100
Westmont, IL 60559
Phone (630) 654-2515

Interoperability endpoints

  • FHIR API: https://api.platform.athenahealth.com/24067/brand/1/csg/1/fhir/r4

Organizations & group practices 8

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.

NPI Registry JSON

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

{
    "created_epoch": "1182124800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1791331200000",
    "number": "1629273834",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8000 WARREN WOODS RD LOT 68",
            "city": "THREE OAKS",
            "state": "MI",
            "postal_code": "491289573",
            "telephone_number": "574-220-4676"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1100 JORIE BLVD STE 300",
            "city": "OAK BROOK",
            "state": "IL",
            "postal_code": "605232219",
            "telephone_number": "630-974-6602",
            "fax_number": "630-487-2411"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "8000 Warren Woods Rd Lot 68",
            "address_purpose": "LOCATION",
            "city": "Three Oaks",
            "state": "MI",
            "postal_code": "491289573",
            "country_code": "US",
            "telephone_number": "708-263-4650",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DECOCKER",
        "first_name": "KAREN",
        "middle_name": "A",
        "name_prefix": "Dr.",
        "credential": "DNP, PMHNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-06-18",
        "last_updated": "2026-10-07",
        "certification_date": "2026-10-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "IL",
            "license": "277.003915",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "5215366",
            "state": "MI"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "KAREN",
            "last_name": "SANDOCK",
            "middle_name": "ANN",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Oak Brook, IL

Sources for this page

Verify at the official NPI Registry.