Individual provider Active NPI

Cristal Martin, LCSW

  • Clinical Social Worker
  • Brooklyn, NY
National Provider Identifier
1700448396
Registry record updated Mar 2, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
098813 Issued in NY
Practice address
514 49TH St
Brooklyn, NY 11220-2010
Phone
(718) 431-2600
NPI assigned
Jul 3, 2019
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 2, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Social Worker 104100000X 115214 NY
Clinical Social Worker 1041C0700X 098813 NY Primary
Social Worker 104100000X 225254 MA

Addresses

Primary practice location

514 49TH St
Brooklyn, NY 11220-2010

Mailing address

514 49TH St
Brooklyn, NY 11220-2010
Phone (718) 431-2600

Other practice location 1

1290 Tremont St
Roxbury, MA 02120-3432
Phone (617) 427-1000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: No
  • Power mobility devices: No
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20250109000829 NY Practitioner - Clinical Social Worker 9335677061 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Clinical Social Worker
Education
Other, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
NYU Langone HospitalsGroup PAC ID 4981515699, 245 clinicians

Practice addresses (Care Compare)

150 55TH St
Brooklyn, NY 11220-2508
Phone (718) 630-7942

301 E 17TH St
New York, NY 10003-3804
Phone (212) 598-2454

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
225254MAMDSocial Worker
115214NYMDSocial Worker
098813NYMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
NYU Langone Hospitals CurrentSince Nov 6, 2024 Accepting new patients
NYU Langone Hospitals CurrentSince Nov 6, 2024 Accepting new patients

Locations

700 Hicksville Rd
Ste 205
Bethpage, NY 11714
Phone (646) 501-3325

514 49th St
Brooklyn, NY 11220
Phone (718) 431-2600

301 E 17th St
New York, NY 10003
Phone (212) 460-0125

Networks

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

Interoperability endpoints

  • Direct secure messaging: cmartin282902@direct.ochin.org

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.

Hospital & facility affiliations 7

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": "1562112000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772409600000",
    "number": "1700448396",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "514 49TH ST",
            "city": "BROOKLYN",
            "state": "NY",
            "postal_code": "112202010",
            "telephone_number": "718-431-2600"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "514 49TH ST",
            "city": "BROOKLYN",
            "state": "NY",
            "postal_code": "112202010",
            "telephone_number": "718-431-2600"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1290 Tremont St",
            "address_purpose": "LOCATION",
            "city": "Roxbury",
            "state": "MA",
            "postal_code": "021203432",
            "country_code": "US",
            "telephone_number": "617-427-1000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MARTIN",
        "first_name": "CRISTAL",
        "credential": "LCSW",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-07-03",
        "last_updated": "2026-03-02",
        "certification_date": "2026-03-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": "NY",
            "license": "115214",
            "primary": false
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "NY",
            "license": "098813",
            "primary": true
        },
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": "MA",
            "license": "225254",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Brooklyn, NY

Sources for this page

Verify at the official NPI Registry.