Individual provider Active NPI

Clara Ngai Kay Kwan, M.D.

  • Cardiovascular Disease Physician
  • Billings, MT
National Provider Identifier
1801183207
Registry record updated Feb 7, 2022
On this page

Key facts

NPPES NPI Registry
Primary specialty
Cardiovascular Disease PhysicianTaxonomy code 207RC0000X
License
MED-PHYS-LIC-66217 Issued in MT
Practice address
2800 10TH Ave N
Billings, MT 59101-0703
Phone
(406) 238-2500
NPI assigned
Jul 6, 2011
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 7, 2022

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Cardiovascular Disease Physician 207RC0000X 66217 MT
Student in an Organized Health Care Education/Training Program 390200000X
Cardiovascular Disease Physician 207RC0000X MED-PHYS-LIC-66217 MT Primary

Addresses

Primary practice location

2800 10TH Ave N
Billings, MT 59101-0703

Mailing address

4802 10TH Ave, Maimonides Medical Center
Brooklyn, NY 11219
Phone (718) 283-6000

Other practice location 1

4802 10th Ave, Maimonides Medical Center
Brooklyn, NY 11219
Phone (718) 283-6000

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address ckwan@billingsclinic.cernerdirect.com Direct

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MT, WA2 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
I20180821003169 MT Practitioner - Cardiovascular Disease (Cardiology) 0143579326 Reassigns benefits to 3 organizations
I20250610001032 WA Practitioner - Cardiovascular Disease (Cardiology) 0143579326 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Cardiovascular Disease (Cardiology)
Education
Other, 2011
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

12800 Bothell Everett Hwy
Everett, WA 98208-6644

1321 Colby Ave
Everett, WA 98201-1665
Phone (425) 261-2000

1330 Rockefeller Ave
Everett, WA 98201-1676

19200 N Kelsey St
Monroe, WA 98272-1431
Phone (360) 794-7994

4112 Harbour Pointe Blvd SW
Suite 100
Mukilteo, WA 98275-5457
Phone (425) 347-6330

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
66217MTMDCardiovascular Disease Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Billings Clinic Current Accepting new patients
Providence Health & Services- Washington CurrentSince May 1, 2025 Accepting new patients
Gabert Medical Services, Inc CurrentSince Aug 1, 2024 Accepting new patients
Providence Health & Services - Washington CurrentSince May 1, 2025 Accepting new patients
Billings Clinic CurrentSince Sep 1, 2018 Accepting new patients
Billings Clinic Current Accepting new patients
Glendive Medical Center, Inc CurrentSince Aug 1, 2024 Accepting new patients
Glendive Medical Center, Inc CurrentSince Aug 1, 2024 Accepting new patients
Frances Mahon Deaconess Hospital Past Accepting new patients
Providence Health & Services - Washington Past Accepting new patients

Locations

801 N 29th St
Billings, MT 59101
Phone (406) 238-2210

2800 10th Ave N
Billings, MT 59101
Phone (406) 248-3290

107 Dilworth St
Glendive, MT 59330
Phone (406) 345-8900

202 Prospect Dr
Glendive, MT 59330
Phone (406) 345-3306

12800 Bothell Everett Hwy
Everett, WA 98208
Phone (425) 316-5060

1321 Colby Ave
Everett, WA 98201
Phone (425) 259-4413

1330 Rockefeller Ave
Ste 310
Everett, WA 98201
Phone (425) 261-4925

12800 Bothell Everett Hwy
Ste 250
Everett, WA 98208
Phone (425) 316-5410

19200 N Kelsey St
Monroe, WA 98272
Phone (360) 794-5555

4112 Harbour Pointe Blvd SW
Ste 100
Mukilteo, WA 98275
Phone (425) 347-6330

707 Sheridan Ave
Cody, WY 82414
Phone (307) 527-7561

201 Yellowstone Ave
Cody, WY 82414
Phone (307) 527-7561

Interoperability endpoints

  • Direct secure messaging: ckwan3787051@wm.providencedirect.org

Organizations & group practices 10

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 18

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

View all 18

NPI Registry JSON

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

{
    "created_epoch": "1309910400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1644192000000",
    "number": "1801183207",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4802 10TH AVE, MAIMONIDES MEDICAL CENTER",
            "city": "BROOKLYN",
            "state": "NY",
            "postal_code": "11219",
            "telephone_number": "718-283-6000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2800 10TH AVE N",
            "city": "BILLINGS",
            "state": "MT",
            "postal_code": "591010703",
            "telephone_number": "406-238-2500"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4802 10th Ave, Maimonides Medical Center",
            "address_purpose": "LOCATION",
            "city": "Brooklyn",
            "state": "NY",
            "postal_code": "11219",
            "country_code": "US",
            "telephone_number": "718-283-6000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KWAN",
        "first_name": "CLARA",
        "middle_name": "NGAI KAY",
        "name_prefix": "Miss",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2011-07-06",
        "last_updated": "2022-02-07",
        "certification_date": "2022-02-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "MT",
            "license": "66217",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "MT",
            "license": "MED-PHYS-LIC-66217",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "ckwan@billingsclinic.cernerdirect.com",
            "affiliation": "N",
            "endpointDescription": "direct email address",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "2800 10th Ave N",
            "city": "Billings",
            "state": "MT",
            "country_code": "US",
            "postal_code": "591010703",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Billings, MT

Sources for this page

Verify at the official NPI Registry.