Individual provider Active NPI

Stephen Jeffrey Kornfeld, M.D.

  • Allergy & Immunology Physician
  • Palm Harbor, FL
National Provider Identifier
1245223205
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Allergy & Immunology PhysicianTaxonomy code 207K00000X
License
ME0040107 Issued in FL
Practice address
34041 US Highway 19 N
Suite D
Palm Harbor, FL 34684-2648
Phone
(727) 787-6744
Fax
(727) 786-3561
NPI assigned
Aug 25, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Allergy & Immunology Physician 207K00000X ME0040107 FL Primary

Addresses

Primary practice location

34041 US Highway 19 N
Suite D
Palm Harbor, FL 34684-2648

Mailing address

34041 US Highway 19 N
Suite D
Palm Harbor, FL 34684-2648
Phone (727) 787-6744

Other identifiers 2

IdentifierTypeStateIssuer
0205005OtherFLUNITED HEALTHCARE #
62366OtherFLBC/BS PROVIDER #

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in FL
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
I20060501000122 FL Practitioner - Allergy/Immunology 6406866045 Reassigns benefits to 1 organization

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
ME0040107FLMDAllergy & Immunology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Dennis H. Kim MD LLC Allergy & Immunology CurrentSince Jun 1, 2015 Accepting new patients
S. J. Kornfeld, M.D., Inc. Allergy & Immunology PastSince Apr 6, 2006 Accepting new patients

Locations

33920 US Highway 19 N
Ste 341
Palm Harbor, FL 34684
Phone (727) 786-5520

34041 US Highway 19 N
Ste D
Palm Harbor, FL 34684
Phone (727) 787-6744

Organizations & group practices 2

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.

NPI Registry JSON

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

{
    "created_epoch": "1124928000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1245223205",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "34041 US HIGHWAY 19 N",
            "address_2": "SUITE D",
            "city": "PALM HARBOR",
            "state": "FL",
            "postal_code": "346842648",
            "telephone_number": "727-787-6744",
            "fax_number": "727-786-3561"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "34041 US HIGHWAY 19 N",
            "address_2": "SUITE D",
            "city": "PALM HARBOR",
            "state": "FL",
            "postal_code": "346842648",
            "telephone_number": "727-787-6744",
            "fax_number": "727-786-3561"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KORNFELD",
        "first_name": "STEPHEN",
        "middle_name": "JEFFREY",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-08-25",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207K00000X",
            "taxonomy_group": "",
            "desc": "Allergy & Immunology",
            "state": "FL",
            "license": "ME0040107",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "UNITED HEALTHCARE #",
            "identifier": "0205005",
            "state": "FL"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BC/BS PROVIDER #",
            "identifier": "62366",
            "state": "FL"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Palm Harbor, FL

Sources for this page

Verify at the official NPI Registry.