Individual provider Active NPI

Mauricio Villarreal, M.D.

  • Critical Care Medicine (Internal Medicine) Physician
  • Oak Lawn, IL
National Provider Identifier
1770978777
Registry record updated Aug 1, 2022
On this page

Key facts

NPPES NPI Registry
Primary specialty
Critical Care Medicine (Internal Medicine) PhysicianTaxonomy code 207RC0200X
License
036-144641 Issued in IL
Practice address
4440W 95TH St
Oak Lawn, IL 60453-2600
Phone
(708) 684-5673
Fax
(708) 684-2500
NPI assigned
Apr 6, 2015
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 1, 2022

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 036144641 IL
Student in an Organized Health Care Education/Training Program 390200000X
Critical Care Medicine (Internal Medicine) Physician 207RC0200X 036-144641 IL Primary

Addresses

Primary practice location

4440W 95TH St
Oak Lawn, IL 60453-2600

Mailing address

29373 Network PL
Chicago, IL 60673-1293
Phone (847) 390-5900

Other practice location 1

3134 N Clark St
Chicago, IL 60657-4414
Phone (773) 766-4949

Electronic endpoints 2

TypeEndpointUseAffiliation
FHIR URL https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/
Direct Messaging Address mvillarreal342785@direct.myadvocateaurora.org Direct

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: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20220714003341 IL Practitioner - Anesthesiology 6002116274 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology
Education
Other, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Advocate Health and Hospitals CorporationGroup PAC ID 7810800935, shared by 39 NPIs, 3,081 clinicians

Practice addresses (Care Compare)

4440 W 95TH St
Oak Lawn, IL 60453-2600
Phone (708) 684-8000

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Pacemaker insertion or repair1-10

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
036-144641ILMDCritical Care Medicine (Internal Medicine) Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Advocate Health and Hospitals Corporation Current Accepting new patients
Advocate Health and Hospitals Corporation CurrentSince Jun 18, 2022 Accepting new patients
Advocate Health and Hospitals Corporation Internal Medicine CurrentSince Jul 1, 2022 Accepting new patients
Endeavor Health Medical Group CurrentSince May 14, 2025 Accepting new patients
Advocate Health & Hospitals Corporation CurrentSince Jun 18, 2022 Accepting new patients
Endeavor Health Medical Group Internal Medicine CurrentSince May 14, 2025 Accepting new patients

Locations

214 McHenry Rd
Buffalo Grove, IL 60089
Phone (847) 459-1160

28592 Network Pl
Chicago, IL 60673

9532 Eagle Way
Chicago, IL 60678

29373 Network Pl
Chicago, IL 60673

3134 N Clark St
Chicago, IL 60657
Phone (312) 766-4949

2650 Ridge Ave
Ste 1223
Evanston, IL 60201
Phone (847) 982-3175

2650 Ridge Ave
Evanston, IL 60201
Phone (847) 570-1206

2650 Ridge Ave
Ste 2218A
Evanston, IL 60201
Phone (847) 503-4222

4440 W 95th St
Oak Lawn, IL 60453
Phone (708) 346-5520

4440 W 95th St
Ste Aip
Oak Lawn, IL 60453
Phone (708) 684-8000

Organizations & group practices 6

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 2

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": "1428278400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1659312000000",
    "number": "1770978777",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "29373 NETWORK PL",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606731293",
            "telephone_number": "847-390-5900",
            "fax_number": "847-390-4757"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4440W 95TH ST",
            "city": "OAK LAWN",
            "state": "IL",
            "postal_code": "604532600",
            "telephone_number": "708-684-5673",
            "fax_number": "708-684-2500"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3134 N Clark St",
            "address_purpose": "LOCATION",
            "city": "Chicago",
            "state": "IL",
            "postal_code": "606574414",
            "country_code": "US",
            "telephone_number": "773-766-4949",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "VILLARREAL",
        "first_name": "MAURICIO",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2015-04-06",
        "last_updated": "2022-08-01",
        "certification_date": "2022-08-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "036144641",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "IL",
            "license": "036-144641",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "3134 N Clark St",
            "city": "Chicago",
            "state": "IL",
            "country_code": "US",
            "postal_code": "606574414",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mvillarreal342785@direct.myadvocateaurora.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "3134 N Clark St",
            "city": "Chicago",
            "state": "IL",
            "country_code": "US",
            "postal_code": "606574414",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Oak Lawn, IL

Sources for this page

Verify at the official NPI Registry.