Adrienne B Mejia, MD MPH

Primary specialty

Anesthesiology PhysicianTaxonomy code 207L00000X

License

036160694 Issued in IL

Practice address

4201 W Medical Center Dr
McHenry, IL 60050-8409

Phone

(815) 344-5000

Fax

(815) 344-3347

NPI assigned

May 22, 2018

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

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

Specialty

Anesthesiology

Education

Other, 2018

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

The Pain Center of Illinois Inc.Group PAC ID 7214096593, 5 clinicians

Northwestern Medical Faculty FoundationGroup PAC ID 4587576814, 4,386 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Northwestern Memorial Hospital Hospital, Chicago, IL, CCN 140281

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Northwestern Medical Faculty Foundation

  • Multi-Specialty Clinic/Center
  • Carol Stream, IL
  • NPI 1346235314
  Medicare reassignment Care Compare group NPD
• The Pain Center of Illinois Inc.

  • Pain Medicine (Anesthesiology) Physician
  • Chicago, IL
  • NPI 1053588079
  Medicare reassignment Care Compare group NPD
• Ashland Medical Specialist Inc

  • Anesthesiology Physician
  • Chicago, IL
  • NPI 1033455118
  Medicare reassignment NPD
• Insight Chicago, Inc.

  • Internal Medicine Physician
  • Chicago, IL
  • NPI 1881261006

  Anesthesiology

  Medicare reassignment NPD
• Insight Chicago, Inc.

  • Rehabilitation Hospital Unit
  • Chicago, IL
  • NPI 1154308518
  NPD
• Northwestern Medical Faculty Foundation

  • Durable Medical Equipment & Medical Supplies
  • Chicago, IL
  • NPI 1417718479
  NPD

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

• Northwestern Memorial Hospital

  • General Acute Care Hospital
  • Chicago, IL
  • NPI 1497859649
  Care Compare affiliation

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

{
    "created_epoch": "1526947200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772496000000",
    "number": "1043701485",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "164 N PEORIA ST APT 3005",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606072372",
            "telephone_number": "203-688-4242"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4201 W MEDICAL CENTER DR",
            "city": "MCHENRY",
            "state": "IL",
            "postal_code": "600508409",
            "telephone_number": "815-344-5000",
            "fax_number": "815-344-3347"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "20 York Street YNHH",
            "address_2": "Tompkins 226",
            "address_purpose": "LOCATION",
            "city": "New Haven",
            "state": "CT",
            "postal_code": "065103220",
            "country_code": "US",
            "telephone_number": "203-688-4242",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MEJIA",
        "first_name": "ADRIENNE",
        "middle_name": "B",
        "credential": "MD MPH",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2018-05-22",
        "last_updated": "2026-03-03",
        "certification_date": "2026-03-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "IL",
            "license": "036160694",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Medela , Inc.
• Adriana Medina
• Victor Manuel Medina, D.O.
• Gail Lynn Mehnert
• Meijer Great Lakes Limited Partnership
• Virginia Lee Mejia
• Anelly Melgoza, RN
• Cory Edward Mellon, MD
• Julie Melone
• Robin Melvin

• Anesthesiology Physician in McHenry, IL
• Providers in McHenry, IL by specialty
• Anesthesiology Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 3, 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.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.