Individual provider Active NPI

Richard J. Lessow, M.D.

  • Otolaryngic Allergy Physician
  • Hartford, CT
National Provider Identifier
1780670570
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Otolaryngic Allergy PhysicianTaxonomy code 207YX0602X
License
15098 Issued in CT
Practice address
85 Seymour St
Suite 318
Hartford, CT 06106-5501
Phone
(860) 493-1950
Fax
(860) 549-5270
NPI assigned
Sep 27, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Otolaryngology Physician 207Y00000X 15098 CT
Plastic Surgery within the Head & Neck (Otolaryngology) Physician 207YX0007X 15098 CT
Otolaryngic Allergy Physician 207YX0602X 15098 CT Primary

Addresses

Primary practice location

85 Seymour St
Suite 318
Hartford, CT 06106-5501

Mailing address

85 Seymour St
Suite 318
Hartford, CT 06106-5501
Phone (860) 493-1950

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

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

NPI Registry JSON

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

{
    "created_epoch": "1127779200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1780670570",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "85 SEYMOUR ST",
            "address_2": "SUITE 318",
            "city": "HARTFORD",
            "state": "CT",
            "postal_code": "061065501",
            "telephone_number": "860-493-1950",
            "fax_number": "860-549-5270"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "85 SEYMOUR ST",
            "address_2": "SUITE 318",
            "city": "HARTFORD",
            "state": "CT",
            "postal_code": "061065501",
            "telephone_number": "860-493-1950",
            "fax_number": "860-549-5270"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LESSOW",
        "first_name": "RICHARD",
        "middle_name": "J.",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-09-27",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Y00000X",
            "taxonomy_group": "",
            "desc": "Otolaryngology",
            "state": "CT",
            "license": "15098",
            "primary": false
        },
        {
            "code": "207YX0007X",
            "taxonomy_group": "",
            "desc": "Otolaryngology, Plastic Surgery within the Head & Neck",
            "state": "CT",
            "license": "15098",
            "primary": false
        },
        {
            "code": "207YX0602X",
            "taxonomy_group": "",
            "desc": "Otolaryngology, Otolaryngic Allergy",
            "state": "CT",
            "license": "15098",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Hartford, CT

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.