Individual provider Active NPI

Katharine Yao, MD

  • Surgery Physician
  • Evanston, IL
National Provider Identifier
1184698060
Registry record updated Sep 14, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgical Oncology PhysicianTaxonomy code 2086X0206X
License
036095007 Issued in IL
Practice address
2650 Ridge Ave # 1155
Evanston, IL 60201-1700
Phone
(847) 570-1700
Fax
(847) 733-5298
NPI assigned
Feb 15, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 14, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Surgical Oncology Physician 2086X0206X 036095007 IL Primary
Surgery Physician 208600000X 36095007 IL

Addresses

Primary practice location

2650 Ridge Ave # 1155
Evanston, IL 60201-1700

Mailing address

2650 Ridge Ave Ste 1223
Evanston, IL 60201-1700
Phone (847) 570-2040

Other names 1

  • Mrs. Kathy Perry Other name

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address kyao21789@direct.northshore.org

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
I20050816001189 IL Practitioner - Surgical OncologyPractitioner - General Surgery 0042240343 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Surgical Oncology
Education
Other, 1994
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)

1300 Oak Ave
Evanston, IL 60201-4205
Phone (847) 869-1300

2050 Pfingsten Rd
Glenview, IL 60026-1324

2100 Pfingsten Rd
Glenview, IL 60026-1301

2650 Ridge Ave
Evanston, IL 60201-1700

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
84.9 of 100Reported as group
Quality
75.91
Promoting interoperability
99
Improvement activities
40
Cost
74.6

Procedures performed for Medicare patients

ProcedureNumber of procedures
Mastectomy68
Melanoma (skin cancer) excision1-10
Skin biopsy1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
36095007ILMDSurgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Endeavor Health Medical Group CurrentSince Sep 1, 2008 Accepting new patients
Endeavor Health Medical Group Current Accepting new patients

Locations

9532 Eagle Way
Chicago, IL 60678

49 S Waukegan Rd
Ste 200
Deerfield, IL 60015
Phone (847) 945-4575

2650 Ridge Ave
Ste 1155
Evanston, IL 60201
Phone (847) 570-1070

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

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

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 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": "1139961600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789344000000",
    "number": "1184698060",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2650 RIDGE AVE STE 1223",
            "city": "EVANSTON",
            "state": "IL",
            "postal_code": "602011700",
            "telephone_number": "847-570-2040",
            "fax_number": "847-733-5315"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2650 RIDGE AVE # 1155",
            "city": "EVANSTON",
            "state": "IL",
            "postal_code": "602011700",
            "telephone_number": "847-570-1700",
            "fax_number": "847-733-5298"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "YAO",
        "first_name": "KATHARINE",
        "middle_name": "A.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-02-15",
        "last_updated": "2026-09-14",
        "certification_date": "2026-09-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2086X0206X",
            "taxonomy_group": "",
            "desc": "Surgery, Surgical Oncology",
            "state": "IL",
            "license": "036095007",
            "primary": true
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "IL",
            "license": "36095007",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "kyao21789@direct.northshore.org",
            "affiliation": "N",
            "address_1": "2650 Ridge Ave",
            "address_2": "NorthShore University Health System",
            "city": "Evanston",
            "state": "IL",
            "country_code": "US",
            "postal_code": "602011718",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "KATHY",
            "last_name": "PERRY",
            "prefix": "MRS.",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

Other providers in Evanston, IL

Sources for this page

Verify at the official NPI Registry.