Individual provider Active NPI

Casey Kathleen Paterson, MD

  • Surgery Physician
  • Grand Rapids, MI
National Provider Identifier
1235759184
Registry record updated Sep 18, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Colon & Rectal Surgery PhysicianTaxonomy code 208C00000X
License
86435 Issued in CT
Practice address
538 Litchfield St Ste 201
Torrington, CT 06790-6669
Phone
(860) 489-7017
NPI assigned
Apr 21, 2020
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 18, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Colon & Rectal Surgery Physician 208C00000X 86435 CT Primary
Colon & Rectal Surgery Physician 208C00000X 4301514216 MI
Surgery Physician 208600000X MD488426 PA

Addresses

Primary practice location

538 Litchfield St Ste 201
Torrington, CT 06790-6669

Mailing address

4100 Lake Dr SE Ste 205
Grand Rapids, MI 49546-8292
Phone (616) 267-7100

Other practice location 1

100 Grand St
New Britain, CT 06052-2016
Phone (860) 224-5011

Other practice location 2

540 Litchfield St
Torrington, CT 06790-6679
Phone (860) 489-7017

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in PA
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
I20200610000559 PA Order and Referring Only - General SurgeryPractitioner - General Surgery 3274954771

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
MD488426PAMDSurgery Physician
4301514216MIMDColon & Rectal Surgery Physician

NPI Registry JSON

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

{
    "created_epoch": "1587427200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789689600000",
    "number": "1235759184",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4100 LAKE DR SE STE 205",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495468292",
            "telephone_number": "616-267-7100"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "538 LITCHFIELD ST STE 201",
            "city": "TORRINGTON",
            "state": "CT",
            "postal_code": "067906669",
            "telephone_number": "860-489-7017"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "100 Grand St",
            "address_purpose": "LOCATION",
            "city": "New Britain",
            "state": "CT",
            "postal_code": "060522016",
            "country_code": "US",
            "telephone_number": "860-224-5011",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "540 Litchfield St",
            "address_purpose": "LOCATION",
            "city": "Torrington",
            "state": "CT",
            "postal_code": "067906679",
            "country_code": "US",
            "telephone_number": "860-489-7017",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "PATERSON",
        "first_name": "CASEY",
        "middle_name": "KATHLEEN",
        "name_prefix": "Ms.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-04-21",
        "last_updated": "2026-09-18",
        "certification_date": "2026-09-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208C00000X",
            "taxonomy_group": "",
            "desc": "Colon & Rectal Surgery",
            "state": "CT",
            "license": "86435",
            "primary": true
        },
        {
            "code": "208C00000X",
            "taxonomy_group": "",
            "desc": "Colon & Rectal Surgery",
            "state": "MI",
            "license": "4301514216",
            "primary": false
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "PA",
            "license": "MD488426",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Grand Rapids, MI

Sources for this page

Verify at the official NPI Registry.