NPIMap

Individual provider Active NPI

Gretchen K Mathewson, FNP

  • Family Nurse Practitioner
  • New York, NY
National Provider Identifier
1639494685
Registry record updated Oct 25, 2010
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
F335831 Issued in NY
Practice address
5 East 98TH Street
Box 1138
New York, NY 10029-6501
Phone
(212) 241-6854
Fax
(212) 241-5333
NPI assigned
Apr 1, 2010
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Oct 25, 2010

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Nurse Practitioner 363LF0000X F335831 NY Primary

Addresses

Primary practice location

5 East 98TH Street
Box 1138
New York, NY 10029-6501

Mailing address

5 E 98TH St
Box 1138
New York, NY 10029-6501
Phone (212) 241-6854

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20121121000011 NY Practitioner - Nurse Practitioner 2365693389 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2009
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Icahn School of Medicine at Mount SinaiGroup PAC ID 2264691070, 2,809 clinicians
Riverdale Mental Health Association IncGroup PAC ID 3476444811, 7 clinicians

Practice addresses (Care Compare)

5 E 98TH St 7TH FL
Doctor'S Office Neurology
New York, NY 10029-6501
Phone (212) 241-4572

5676 Riverdale Ave
Suite 202
Bronx, NY 10471-2100
Phone (718) 796-5300

Hospital & facility affiliations

  • Mount Sinai Hospital Hospital, New York, NY, CCN 330024
  • Mount Sinai Beth Israel Hospital, New York, NY, CCN 330169

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
F335831NYMDFamily Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Riverdale Mental Health Association Inc CurrentSince Sep 25, 2023 Accepting new patients
Riverdale Mental Health Association Inc CurrentSince Sep 25, 2023 Accepting new patients
Icahn School of Medicine at Mount Sinai Past Accepting new patients

Locations

5676 Riverdale Ave
Ste 202
Bronx, NY 10471
Phone 7187965300104

Networks

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

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.

Hospital & facility affiliations 9

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": "1270080000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1287964800000",
    "number": "1639494685",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5 E 98TH ST",
            "address_2": "BOX 1138",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100296501",
            "telephone_number": "212-241-6854"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5 EAST 98TH STREET",
            "address_2": "BOX 1138",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100296501",
            "telephone_number": "212-241-6854",
            "fax_number": "212-241-5333"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MATHEWSON",
        "first_name": "GRETCHEN",
        "middle_name": "K",
        "credential": "FNP",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2010-04-01",
        "last_updated": "2010-10-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "NY",
            "license": "F335831",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in New York, NY

Sources for this page

Verify at the official NPI Registry.