Individual provider Active NPI

Mesut Toprak, M.D.

  • Anatomic Pathology & Clinical Pathology Physician
  • Brooklyn, NY
National Provider Identifier
1316501620
Registry record updated Apr 14, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anatomic Pathology & Clinical Pathology PhysicianTaxonomy code 207ZP0102X
License
338893 Issued in NY
Practice address
506 6TH St
Brooklyn, NY 11215-3609
Phone
(718) 780-5629
NPI assigned
Apr 23, 2019
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 14, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X 338893 NY Primary

Addresses

Primary practice location

506 6TH St
Brooklyn, NY 11215-3609

Mailing address

506 6TH St
Brooklyn, NY 11215-3609
Phone (718) 780-5629

Other practice location 1

525 E 68th St
New York, NY 10065-4870
Phone (212) 746-2700

Electronic endpoints 3

TypeEndpointUseAffiliation
Direct Messaging Address met4019@direct.nyp.org Direct
FHIR URL https://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/R4/ Health Information Exchange (HIE)
FHIR URL https://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/DSTU2/ Health Information Exchange (HIE)

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CT, NY2 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
I20240701004058 CT Practitioner - Pathology 7012246366 Reassigns benefits to 1 organization
I20250811001192 NY Practitioner - Pathology 7012246366 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Pathology
Education
Other, 2014
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Kings Physician Services PCGroup PAC ID 0547579427, 643 clinicians

Practice addresses (Care Compare)

506 6TH St
Brooklyn, NY 11215-3609
Phone (718) 780-3000

Hospital & facility affiliations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Kings Physician Services, PC CurrentSince Aug 1, 2025 Accepting new patients
Weill Medical College of Cornell CurrentSince Jan 10, 2026 Accepting new patients
University of Connecticut Health Center CurrentSince Jul 1, 2024 Accepting new patients
Kings Physician Services, PC CurrentSince Aug 1, 2025 Accepting new patients
University of Connecticut Health Center CurrentSince Jul 1, 2024 Accepting new patients
Weill Medical College of Cornell CurrentSince Jan 10, 2026 Accepting new patients
University of Connecticut Health Center Past Accepting new patients

Locations

263 Farmington Ave
Farmington, CT 06030
Phone (860) 679-4477

506 6th St
Ste B
Brooklyn, NY 11215
Phone (718) 780-3677

506 6th St
Brooklyn, NY 11215
Phone (718) 780-3279

525 E 68th St
New York, NY 10065
Phone (212) 746-2846

170 William St
New York, NY 10038
Phone (212) 238-0100

2649 Strang Blvd
Ste 304
Yorktown Heights, NY 10598
Phone (646) 745-6369

Networks

  • Healthfirst Medicare Network H3359
  • Healthfirst Medicare Network H1722
  • Healthfirst Medicare Network H5989
  • Healthfirst Medicare Network H9678

Interoperability endpoints

  • Direct secure messaging: met4019@direct.nyp.org

Organizations & group practices 8

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.

Hospital & facility affiliations 5

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1555977600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776124800000",
    "number": "1316501620",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "506 6TH ST",
            "city": "BROOKLYN",
            "state": "NY",
            "postal_code": "112153609",
            "telephone_number": "718-780-5629",
            "fax_number": "718-780-3673"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "506 6TH ST",
            "city": "BROOKLYN",
            "state": "NY",
            "postal_code": "112153609",
            "telephone_number": "718-780-5629"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "525 E 68th St",
            "address_purpose": "LOCATION",
            "city": "New York",
            "state": "NY",
            "postal_code": "100654870",
            "country_code": "US",
            "telephone_number": "212-746-2700",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TOPRAK",
        "first_name": "MESUT",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-04-23",
        "last_updated": "2026-04-14",
        "certification_date": "2026-04-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207ZP0102X",
            "taxonomy_group": "",
            "desc": "Pathology, Anatomic Pathology & Clinical Pathology",
            "state": "NY",
            "license": "338893",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "met4019@direct.nyp.org",
            "affiliation": "N",
            "endpointDescription": "Direct Address",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "Direct Address",
            "address_1": "506 6th St",
            "city": "Brooklyn",
            "state": "NY",
            "country_code": "US",
            "postal_code": "112153609",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/R4/",
            "affiliation": "N",
            "endpointDescription": "FHIR",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "FHIR",
            "address_1": "506 6th St",
            "city": "Brooklyn",
            "state": "NY",
            "country_code": "US",
            "postal_code": "112153609",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
            "affiliation": "N",
            "endpointDescription": "FHIR",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "FHIR",
            "address_1": "506 6th St",
            "city": "Brooklyn",
            "state": "NY",
            "country_code": "US",
            "postal_code": "112153609",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Brooklyn, NY

Sources for this page

Verify at the official NPI Registry.