NPIMap

Individual provider Active NPI

Lily Singhaviranon, MD

  • Internal Medicine Physician
  • Danbury, CT
National Provider Identifier
1508883398
Registry record updated May 6, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
043371 Issued in CT
Practice address
24 Hospital Ave
Danbury, CT 06810-6099
Phone
(203) 739-6959
Fax
(203) 739-6495
NPI assigned
Jul 16, 2006
Last updated
May 6, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 6, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 043371 CT Primary
Hospitalist Physician 208M00000X 043371 CT

Addresses

Primary practice location

24 Hospital Ave
Danbury, CT 06810-6099

Mailing address

442 Buckland Dr
Cheshire, CT 06410-4146
Phone (718) 757-0322

Other practice location 1

680 S Main St
Cheshire, CT 06410-3181
Phone (718) 757-0322

Other identifiers 1

IdentifierTypeStateIssuer
001433713MedicaidCT

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CT
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20051012001157 CT Practitioner - Internal Medicine 5193740793 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 1988
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

47 Town St
Norwich, CT 06360-2323
Phone (860) 892-7042

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
043371CTMDHospitalist Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Sound Physicians of Massachusetts II PC Internal Medicine CurrentSince Apr 1, 2022 Accepting new patients
United Community and Family Services, Inc. Internal Medicine CurrentSince Feb 8, 2021 Accepting new patients
Hospitalist Medicine Physicians of Connecticut, LLC Internal Medicine CurrentSince Dec 10, 2018 Accepting new patients
Dr Lily Medical Clinic LLC Internal Medicine CurrentSince Nov 1, 2025 Accepting new patients
Quality Cardiovascular Care LLC PastSince Jun 1, 2009 Accepting new patients
Robert S McWilliam MD LLC PastSince Oct 1, 2016 Accepting new patients
United Community and Family Services, Inc. Past Accepting new patients

Locations

680 S Main St
Cheshire, CT 06410
Phone (203) 272-3595

70 Main St
Jewett City, CT 06351
Phone (860) 376-7040

71 Haynes St
Manchester, CT 06040
Phone (860) 533-2981

47 Town St
Norwich, CT 06360

31 Union St
Vernon Rockvl, CT 06066
Phone (860) 289-6451

Interoperability endpoints

  • Direct secure messaging: lsinghaviranon332813@direct.ochin.org

Organizations & group practices 7

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 7

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": "1153008000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778025600000",
    "number": "1508883398",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "442 BUCKLAND DR",
            "city": "CHESHIRE",
            "state": "CT",
            "postal_code": "064104146",
            "telephone_number": "718-757-0322"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "24 HOSPITAL AVE",
            "city": "DANBURY",
            "state": "CT",
            "postal_code": "068106099",
            "telephone_number": "203-739-6959",
            "fax_number": "203-739-6495"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "680 S Main St",
            "address_purpose": "LOCATION",
            "city": "Cheshire",
            "state": "CT",
            "postal_code": "064103181",
            "country_code": "US",
            "telephone_number": "718-757-0322",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SINGHAVIRANON",
        "first_name": "LILY",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-07-16",
        "last_updated": "2026-05-06",
        "certification_date": "2026-05-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CT",
            "license": "043371",
            "primary": true
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "CT",
            "license": "043371",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "001433713",
            "state": "CT"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Danbury, CT

Sources for this page

Verify at the official NPI Registry.