Barbara J Sleight, MD

Primary specialty

Pediatric Hematology & Oncology PhysicianTaxonomy code 2080P0207X

License

035690 Issued in CT

Practice address

800 Howard Ave
Yale Physicians Building
New Haven, CT 06519-1369

Phone

(203) 785-2140

Fax

(203) 785-6414

NPI assigned

Nov 29, 2005

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Doctor of Medicine

State licenses

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

{
    "created_epoch": "1133222400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1811970395",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 GEORGE ST",
            "address_2": "6TH FLOOR PO BOX 9805",
            "city": "NEW HAVEN",
            "state": "CT",
            "postal_code": "065116624",
            "telephone_number": "203-785-7998",
            "fax_number": "203-785-6414"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "800 HOWARD AVE",
            "address_2": "YALE PHYSICIANS BUILDING",
            "city": "NEW HAVEN",
            "state": "CT",
            "postal_code": "065191369",
            "telephone_number": "203-785-2140",
            "fax_number": "203-785-6414"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SLEIGHT",
        "first_name": "BARBARA",
        "middle_name": "J",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-11-29",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2080P0207X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Hematology-Oncology",
            "state": "CT",
            "license": "035690",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Joshua Joseph Skydel, MD
• Monica Alvyra Slack-Haynes, DDS11
• Abigail Slaney
• Amy Slawson-Fortin, RPH
• Sleepy Smiles CT LLC
• Ariel McCall Sloan, M.D.
• Ashley Shannon Sloan, PA-C
• Kseniya Slobodyanyuk
• Jordan Avery Sloshower, MD
• Rebecca Slotkin, M.D.

• Pediatric Hematology & Oncology Physician in New Haven, CT
• Providers in New Haven, CT by specialty
• Pediatric Hematology & Oncology Physician in Connecticut

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; 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.