Individual provider Active NPI

Rachel Anne O'Mara, MD

  • Internal Medicine Physician
  • Chicago, IL
National Provider Identifier
1891701702
Registry record updated Feb 12, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
036-113766 Issued in IL
Practice address
676 N Saint Clair St
Suite 1740
Chicago, IL 60611-2927
Phone
(312) 926-0444
Fax
(312) 926-2797
NPI assigned
Jul 31, 2006
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Feb 12, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 036-113766 IL Primary

Addresses

Primary practice location

676 N Saint Clair St
Suite 1740
Chicago, IL 60611-2927

Mailing address

676 N Saint Clair St
Suite 1740
Chicago, IL 60611-2927
Phone (312) 926-0444

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
I20061122000434 IL Practitioner - Internal MedicinePractitioner - Other (Physician) 6002850161 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Northwestern University Feinberg Medical School, 1999
Medicare assignment
Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

676 N Saint Clair St
Suite 1740
Chicago, IL 60611-2963
Phone (312) 926-0444

Hospital & facility affiliations

  • Northwestern Memorial Hospital Hospital, Chicago, IL, CCN 140281
  • Northwestern Lake Forest Hospital Hospital, Lake Forest, IL, CCN 140130
  • Shirley Ryan Abilitylab Inpatient rehabilitation facility, Chicago, IL, CCN 143026

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
036-113766ILMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Streeterville Internal Medicine, PLLC Internal Medicine CurrentSince Feb 14, 2011 Accepting new patients
Streeterville Internal Medicine 2LLC Internal Medicine PastSince Feb 14, 2011 Accepting new patients

Locations

676 N Saint Clair St
Ste 1740
Chicago, IL 60611
Phone (312) 926-0444

Organizations & group practices 2

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 3

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": "1154304000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770854400000",
    "number": "1891701702",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "676 N SAINT CLAIR ST",
            "address_2": "SUITE 1740",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606112927",
            "telephone_number": "312-926-0444",
            "fax_number": "312-926-2797"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "676 N SAINT CLAIR ST",
            "address_2": "SUITE 1740",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606112927",
            "telephone_number": "312-926-0444",
            "fax_number": "312-926-2797"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "O'MARA",
        "first_name": "RACHEL",
        "middle_name": "ANNE",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2006-07-31",
        "last_updated": "2026-02-12",
        "certification_date": "2021-12-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "036-113766",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Chicago, IL

Sources for this page

Verify at the official NPI Registry.