Individual provider Active NPI

John Hassani

  • Dermatology Physician
  • Lake Katrine, NY
National Provider Identifier
1427469493
Registry record updated Dec 22, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Dermatology PhysicianTaxonomy code 207N00000X
License
281189 Issued in NY
Practice address
315 Grant Ave
Lake Katrine, NY 12449-5342
Phone
(845) 339-2525
Fax
(845) 336-2626
NPI assigned
May 13, 2014
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 22, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Dermatology Physician 207N00000X 281189 NY Primary

Addresses

Primary practice location

315 Grant Ave
Lake Katrine, NY 12449-5342

Mailing address

315 Grant Ave
Lake Katrine, NY 12449-5342
Phone (845) 339-2525

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY, SD2 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
I20161025000074 NY Practitioner - Dermatology 0749568830 Reassigns benefits to 1 organization
I20210825004066 SD Practitioner - Dermatology 0749568830 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Dermatology
Education
New York College of Osteo Medicine of New York Institute of Technology, 2014
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Advanced Dermatology, PLLCGroup PAC ID 0648286427, 12 clinicians

Practice addresses (Care Compare)

315 Grant Ave
Lake Katrine, NY 12449-5342
Phone (845) 339-2525

Procedures performed for Medicare patients

ProcedureNumber of procedures
Melanoma (skin cancer) excision38
Removal of tissue1-10
Removal of skin lesions986
Removal of skin cancer120
Removal of nail tissue1-10
Removal or shaving of skin growth47
Skin biopsy492

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
281189NYMDDermatology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Avera McKennan Current Accepting new patients
Avera McKennan Dermatology CurrentSince Jul 16, 2021 Accepting new patients
Advanced Dermatology, PLLC Dermatology CurrentSince Apr 15, 2025 Accepting new patients
Avera McKennan CurrentSince Jul 16, 2021 Accepting new patients

Locations

315 Grant Ave
Lake Katrine, NY 12449
Phone (845) 339-2525

6701 S Minnesota Ave
Sioux Falls, SD 57108
Phone (605) 322-6960

Organizations & group practices 4

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": "1399939200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1766361600000",
    "number": "1427469493",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "315 GRANT AVE",
            "city": "LAKE KATRINE",
            "state": "NY",
            "postal_code": "124495342",
            "telephone_number": "845-339-2525",
            "fax_number": "845-336-2626"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "315 GRANT AVE",
            "city": "LAKE KATRINE",
            "state": "NY",
            "postal_code": "124495342",
            "telephone_number": "845-339-2525",
            "fax_number": "845-336-2626"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HASSANI",
        "first_name": "JOHN",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2014-05-13",
        "last_updated": "2025-12-22",
        "certification_date": "2025-12-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207N00000X",
            "taxonomy_group": "",
            "desc": "Dermatology",
            "state": "NY",
            "license": "281189",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Lake Katrine, NY

Sources for this page

Verify at the official NPI Registry.