Individual provider Active NPI

Mark A. Kronenfeld, M.D.

  • Anesthesiology Physician
  • Brooklyn, NY
National Provider Identifier
1306084389
Registry record updated Jan 28, 2009
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
156740-1 Issued in NY
Practice address
931 48TH St
Brooklyn, NY 11219-2919
Phone
(718) 283-8816
Fax
(718) 851-4892
NPI assigned
Jan 28, 2009
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jan 28, 2009

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiology Physician 207L00000X 156740-1 NY Primary

Addresses

Primary practice location

931 48TH St
Brooklyn, NY 11219-2919

Mailing address

931 48TH St
Brooklyn, NY 11219-2919
Phone (718) 283-8816

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

State licenses

LicenseStateTypeSpecialty
156740-1NYMDAnesthesiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Maimonides Medical Center Current Accepting new patients
Maimonides Department of Psychiatry FPP Past Accepting new patients
American Anesthesia Business Partners, LLP PastSince Oct 21, 2025 Accepting new patients

Locations

4802 10th Ave
#C
Brooklyn, NY 11219
Phone (718) 283-8163

4802 10th Ave
Brooklyn, NY 11219
Phone (718) 283-8724

Interoperability endpoints

  • Direct secure messaging: markkronenfeld@mai.allscriptsdirect.net

Organizations & group practices 3

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": "1233100800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1233100800000",
    "number": "1306084389",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "931 48TH ST",
            "city": "BROOKLYN",
            "state": "NY",
            "postal_code": "112192919",
            "telephone_number": "718-283-8816",
            "fax_number": "718-851-4892"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "931 48TH ST",
            "city": "BROOKLYN",
            "state": "NY",
            "postal_code": "112192919",
            "telephone_number": "718-283-8816",
            "fax_number": "718-851-4892"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KRONENFELD",
        "first_name": "MARK",
        "middle_name": "A.",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2009-01-28",
        "last_updated": "2009-01-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "NY",
            "license": "156740-1",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Brooklyn, NY

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 28, 2009; 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.