Individual provider Active NPI

Wincy Faith Mejias, PA

  • Physician Assistant
  • Oakbrook Terrace, IL
National Provider Identifier
1174315063
Registry record updated Sep 22, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
085011257 Issued in IL
Practice address
1S376 Summit Ave Ste 5B
Oakbrook Terrace, IL 60181-3968
Phone
(224) 300-4268
NPI assigned
May 19, 2025
Last updated
Sep 22, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 22, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X 085011257 IL Primary
Psychiatry Physician 2084P0800X 085011257 IL

Addresses

Primary practice location

1S376 Summit Ave Ste 5B
Oakbrook Terrace, IL 60181-3968

Mailing address

1S376 Summit Ave Ste 5B
Oakbrook Terrace, IL 60181-3968
Phone (224) 300-4268

Other practice location 1

486 W Boughton Rd Ste B
Bolingbrook, IL 60440-2399
Phone (630) 566-2090

Other practice location 2

3205 N Wilke Rd Unit 105
Arlington Heights, IL 60004-0001
Phone (224) 300-4268

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
I20250528000544 IL Practitioner - Physician Assistant 2860911476 Reassigns benefits to 1 organization

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

State licenses

LicenseStateTypeSpecialty
085011257ILMDPsychiatry Physician

Organizations & group practices 1

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": "1747612800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790035200000",
    "number": "1174315063",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1S376 SUMMIT AVE STE 5B",
            "city": "OAKBROOK TERRACE",
            "state": "IL",
            "postal_code": "601813968",
            "telephone_number": "224-300-4268"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1S376 SUMMIT AVE STE 5B",
            "city": "OAKBROOK TERRACE",
            "state": "IL",
            "postal_code": "601813968",
            "telephone_number": "224-300-4268"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "486 W Boughton Rd Ste B",
            "address_purpose": "LOCATION",
            "city": "Bolingbrook",
            "state": "IL",
            "postal_code": "604402399",
            "country_code": "US",
            "telephone_number": "630-566-2090",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3205 N Wilke Rd Unit 105",
            "address_purpose": "LOCATION",
            "city": "Arlington Heights",
            "state": "IL",
            "postal_code": "600040001",
            "country_code": "US",
            "telephone_number": "224-300-4268",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MEJIAS",
        "first_name": "WINCY FAITH",
        "credential": "PA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-05-19",
        "last_updated": "2026-09-22",
        "certification_date": "2026-09-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "IL",
            "license": "085011257",
            "primary": true
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "IL",
            "license": "085011257",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Oakbrook Terrace, IL

Sources for this page

Verify at the official NPI Registry.