Individual provider Active NPI

Ray S King, M.D., PH.D

  • Colon & Rectal Surgery Physician
  • Madison, WI
National Provider Identifier
1336460666
Registry record updated Jan 8, 2021
On this page

Key facts

NPPES NPI Registry
Primary specialty
Colon & Rectal Surgery PhysicianTaxonomy code 208C00000X
License
69850-20 Issued in WI
Practice address
1 S Park St
Madison, WI 53715
Phone
(608) 287-2100
Fax
(608) 287-2324
NPI assigned
Jun 22, 2010
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 8, 2021

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Surgery Physician 208600000X 69850-20 WI
Colon & Rectal Surgery Physician 208C00000X 75975 GA
Colon & Rectal Surgery Physician 208C00000X 69850-20 WI Primary

Addresses

Primary practice location

1 S Park St
Madison, WI 53715

Mailing address

7974 Uw Health CT
Middleton, WI 53562-5531

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address rking947675@direct.uwhealth.org

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WI, IL2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20180904001602 WI Practitioner - Colorectal Surgery (Proctology)Practitioner - General Surgery 4688812381 Reassigns benefits to 1 organization
I20260115002920 IL Practitioner - Colorectal Surgery (Proctology) 4688812381 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Colorectal Surgery (Proctology)Also: General Surgery
Education
Other, 2010
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Swedishamerican HospitalGroup PAC ID 5799698346, 386 clinicians

Practice addresses (Care Compare)

1 S Park St
Madison, WI 53715-1375
Phone (608) 287-2000

209 9TH St
Suite 200
Rockford, IL 61104-2235
Phone (779) 696-2750

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
83.32 of 100Reported as group
Quality
87.78
Promoting interoperability
77
Improvement activities
40
Cost
75.8

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy39
Skin biopsy1-10

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
University of Wisconsin Medical Foundation, Inc CurrentSince Sep 1, 2018 Accepting new patients
University of Wisconsin Medical Foundation, Inc CurrentSince Sep 1, 2018 Accepting new patients
Swedishamerican Hospital CurrentSince Dec 22, 2025 Accepting new patients
Swedishamerican Hospital CurrentSince Dec 22, 2025 Accepting new patients
Swedishamerican Hospital Past Accepting new patients

Locations

6824 Newburg Rd
Rockford, IL 61108
Phone (779) 696-7610

209 9th St
Ste 200
Rockford, IL 61104
Phone (779) 696-2750

600 Highland Ave
Madison, WI 53792
Phone (608) 263-0325

1 S Park St
Madison, WI 53715
Phone (608) 287-2000

7974 Uw Health Ct
Middleton, WI 53562
Phone (608) 829-5270

Organizations & group practices 5

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 4

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": "1277164800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1610064000000",
    "number": "1336460666",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7974 UW HEALTH CT",
            "city": "MIDDLETON",
            "state": "WI",
            "postal_code": "535625531"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 S PARK ST",
            "city": "MADISON",
            "state": "WI",
            "postal_code": "53715",
            "telephone_number": "608-287-2100",
            "fax_number": "608-287-2324"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KING",
        "first_name": "RAY",
        "middle_name": "S",
        "name_prefix": "Dr.",
        "credential": "M.D., PH.D",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2010-06-22",
        "last_updated": "2021-01-08",
        "certification_date": "2021-01-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "WI",
            "license": "69850-20",
            "primary": false
        },
        {
            "code": "208C00000X",
            "taxonomy_group": "",
            "desc": "Colon & Rectal Surgery",
            "state": "GA",
            "license": "75975",
            "primary": false
        },
        {
            "code": "208C00000X",
            "taxonomy_group": "",
            "desc": "Colon & Rectal Surgery",
            "state": "WI",
            "license": "69850-20",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "rking947675@direct.uwhealth.org",
            "affiliation": "N",
            "address_1": "1 S Park St",
            "city": "Madison",
            "state": "WI",
            "country_code": "US",
            "postal_code": "53715",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Madison, WI

Sources for this page

Verify at the official NPI Registry.