Organization Active NPI

Four K Chemists LLC

  • Community/Retail Pharmacy
  • New York, NY
National Provider Identifier
1437530367
Registry record updated Jun 10, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Community/Retail PharmacyTaxonomy code 3336C0003X
Legal business name
FOUR K CHEMISTS LLC
Practice address
3851 Broadway
New York, NY 10032-1540
Phone
(212) 928-7700
Fax
(917) 398-1308
NPI assigned
Jun 16, 2015
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Jun 10, 2026

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

Authorized official

Name
Karen Miller
Title
Cco
Phone
(917) 473-7788

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Community/Retail Pharmacy 3336C0003X Primary

Addresses

Primary practice location

3851 Broadway
New York, NY 10032-1540

Mailing address

3851 Broadway
New York, NY 10032-1540
Phone (212) 928-7700

Other names 1

  • karnaby drugs Doing business as

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY3 enrollments

Enrollment records 3

Enrollment IDStateProvider typePAC IDDetails
O20161201002167 NY DME Supplier - Pharmacy 5799065074 Practice locations: New York, NY
O20220207000332 NY Part B Supplier - Mass Immunization (Roster Biller Only) 5799065074 Practice locations: New York, NY
O20260324000150 NY Part B Supplier - Pharmacy 5799065074 Practice locations: New York, NY

Laboratory certificates & supplier records

Derived by NPIMap

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

Medicare medical equipment & supply locations

SupplierSuppliesMedicare assignment
Karnaby Drugs3851 Broadway, New York, NY 10032-1540(212) 928-7700 Epoetin|Immunosuppressive Drugs|Infusion Drugs|Nebulizer Drugs|Oral Anticancer Drugs|Oral Antiemetic Drugs|Blood Glucose Monitors/Supplies (Non-Mail Order)|Heat & Cold Applications|Canes and/or Crutches|Enteral Nutrients Accepts assignmentParticipating since Jul 1, 2021

National Provider Directory

National Provider Directory

Locations

3851 Broadway
New York, NY 10032
Phone (212) 928-7700

Practitioners & affiliated clinicians

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1434412800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1781049600000",
    "number": "1437530367",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3851 BROADWAY",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100321540",
            "telephone_number": "212-928-7700",
            "fax_number": "917-398-1308"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3851 BROADWAY",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100321540",
            "telephone_number": "212-928-7700",
            "fax_number": "917-398-1308"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "FOUR K CHEMISTS LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2015-06-16",
        "last_updated": "2026-06-10",
        "certification_date": "2026-06-10",
        "status": "A",
        "authorized_official_last_name": "MILLER",
        "authorized_official_first_name": "KAREN",
        "authorized_official_title_or_position": "CCO",
        "authorized_official_telephone_number": "917-473-7788"
    },
    "taxonomies": [
        {
            "code": "3336C0003X",
            "taxonomy_group": "",
            "desc": "Pharmacy, Community/Retail Pharmacy",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "karnaby drugs",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in New York, NY

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 10, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.