Sahana Somasegar, MD

Primary specialty

Gynecologic Oncology PhysicianTaxonomy code 207VX0201X

License

036155335 Issued in IL

Practice address

2650 Ridge Ave
Kellogg Cancer Center
Evanston, IL 60201-1718

Phone

(847) 570-2639

Fax

(847) 570-1041

NPI assigned

Jun 14, 2018

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 3

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

Gynecological OncologyAlso: Obstetrics/Gynecology

Education

Other, 2018

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Endeavor Health Medical GroupGroup PAC ID 2163334699, 3,330 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Northshore University Healthsystem - Evanston Hospital Hospital, Evanston, IL, CCN 140010
• Swedish Hospital Hospital, Chicago, IL, CCN 140114

Procedures performed for Medicare patients

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.

• Endeavor Health Medical Group

  • Emergency Medicine Physician
  • Evanston, IL
  • NPI 1497701882

  Obstetrics & Gynecology

  Medicare reassignment Care Compare group NPD
• Endeavor Health Medical Group

  • Anesthesiology Physician
  • Evanston, IL
  • NPI 1265695944
  NPD

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

• Endeavor Health Clinical Operations

  • General Acute Care Hospital
  • Evanston, IL
  • NPI 1184670549
  Care Compare affiliation
• Swedish Covenant Health

  • General Acute Care Hospital
  • Chicago, IL
  • NPI 1831151257
  Care Compare affiliation

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

{
    "created_epoch": "1528934400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1774828800000",
    "number": "1508359464",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2650 RIDGE AVE # 1223",
            "city": "EVANSTON",
            "state": "IL",
            "postal_code": "602011700",
            "telephone_number": "847-570-2040",
            "fax_number": "847-570-5315"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2650 RIDGE AVE",
            "address_2": "KELLOGG CANCER CENTER",
            "city": "EVANSTON",
            "state": "IL",
            "postal_code": "602011718",
            "telephone_number": "847-570-2639",
            "fax_number": "847-570-1041"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "5140 N. California Ave.",
            "address_2": "Suite G115-GMP",
            "address_purpose": "LOCATION",
            "city": "Chicago",
            "state": "IL",
            "postal_code": "60625",
            "country_code": "US",
            "telephone_number": "847-570-2112",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SOMASEGAR",
        "first_name": "SAHANA",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2018-06-14",
        "last_updated": "2026-03-30",
        "certification_date": "2026-03-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "CA",
            "license": "A177261",
            "primary": false
        },
        {
            "code": "207VX0201X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology, Gynecologic Oncology",
            "state": "IL",
            "license": "036155335",
            "primary": true
        },
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "IL",
            "license": "036155335",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Ramon Solhkhah, MD
• Solidarity Therapy Services LLC
• Alondra Solis Rios
• Renee Solis
• Susan M Solovy, PSY.D.
• Christine Son, MD
• Mark Song, PA-C
• Philip Y Song, PHARMD
• Timothy Song, DPT
• Deborah Michelle Sontag

• Gynecologic Oncology Physician in Evanston, IL
• Providers in Evanston, IL by specialty
• Gynecologic Oncology Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 30, 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.