Individual provider Active NPI

Katherine Louer, RN

  • Family Nurse Practitioner
  • New York, NY
National Provider Identifier
1235583444
Registry record updated Oct 8, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
F342219-1 Issued in NY
Practice address
511 W 157TH St
New York, NY 10032-7601
Phone
(212) 781-7979
Fax
(212) 781-7963
NPI assigned
Apr 14, 2016
Last updated
Oct 8, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 8, 2026

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 F342219-1 NY Primary

Addresses

Primary practice location

511 W 157TH St
New York, NY 10032-7601

Mailing address

44 W 28TH St FL 5
New York, NY 10001-4212
Phone (212) 545-2409

Other practice location 1

94-98 Manhattan Avenue
Brooklyn, NY 11206-2505
Phone (718) 388-0390

Other practice location 2

255 East Houston
New York, NY 10002-2301
Phone (212) 477-1120

Other practice location 3

81 W 115th St
New York, NY 10026-3138
Phone (212) 426-0088

Other practice location 4

1167 Nostrand Ave
Brooklyn, NY 11225-5417
Phone (718) 778-0198

Other practice location 5

999 Blake Ave
Brooklyn, NY 11208-3535
Phone (718) 277-8303

Other practice location 6

1002 Westchester Avenue
Bronx, NY 10459-3204
Phone (718) 320-4466

Other practice location 7

504 W 158th St Fl 5
New York, NY 10032-7202
Phone (917) 521-3130

Other practice location 8

36-11 21st Street
Long Island City, NY 11106-4505
Phone (718) 482-7772

Other practice location 9

89-44 164th Street
Jamaica, NY 11432-6103
Phone (718) 523-2123

Other practice location 10

350 Grand St Rm 240
New York, NY 10002-4629
Phone (212) 634-7550 ext. 7556

Other practice location 11

97-02 Sutphin Blvd
Jamaica, NY 11435-9995
Phone (718) 657-7088

Other practice location 12

12 W 48th St Fl 2
New York, NY 10036-1801
Phone (212) 321-7004

Other practice location 13

1880 Bathgate Avenue
Bronx, NY 10457-4501
Phone (718) 294-5891

Other practice location 14

2581 Atlantic Ave
Brooklyn, NY 11207-2412
Phone (718) 495-6700

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: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20171102003346 NY Practitioner - Nurse Practitioner 4284990565 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2017
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Community Healthcare Network IncGroup PAC ID 7416855143, 83 clinicians

Practice addresses (Care Compare)

255 E Houston St
New York, NY 10002-1013
Phone (212) 447-1120

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
342219NYMDPsychiatry Physician
F342219-1NYMDFamily Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Mount Sinai School of Medicine CurrentSince Jul 1, 2020 Accepting new patients
Vytaliz Medical CurrentSince Sep 1, 2023 Accepting new patients
Mount Sinai School of Medicine Past Accepting new patients

Locations

1155 Northern Blvd
Manhasset, NY 11030
Phone (516) 407-4000

3 E Evergreen Rd
Ste 1017
New City, NY 10956
Phone (201) 565-2533

12 W 48th St
New York, NY 10036
Phone (212) 321-7004

12 W 48th St
Fl 2
New York, NY 10036
Phone (212) 321-7004

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

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

{
    "created_epoch": "1460592000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1791417600000",
    "number": "1235583444",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "44 W 28TH ST FL 5",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100014212",
            "telephone_number": "212-545-2409",
            "fax_number": "212-463-8411"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "511 W 157TH ST",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100327601",
            "telephone_number": "212-781-7979",
            "fax_number": "212-781-7963"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "94-98 Manhattan Avenue",
            "address_purpose": "LOCATION",
            "city": "Brooklyn",
            "state": "NY",
            "postal_code": "112062505",
            "country_code": "US",
            "telephone_number": "718-388-0390",
            "fax_number": "718-486-5741",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "255 East Houston",
            "address_purpose": "LOCATION",
            "city": "New York",
            "state": "NY",
            "postal_code": "100022301",
            "country_code": "US",
            "telephone_number": "212-477-1120",
            "fax_number": "212-477-8957",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "81 W 115th St",
            "address_purpose": "LOCATION",
            "city": "New York",
            "state": "NY",
            "postal_code": "100263138",
            "country_code": "US",
            "telephone_number": "212-426-0088",
            "fax_number": "221-242-6836",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1167 Nostrand Ave",
            "address_purpose": "LOCATION",
            "city": "Brooklyn",
            "state": "NY",
            "postal_code": "112255417",
            "country_code": "US",
            "telephone_number": "718-778-0198",
            "fax_number": "718-221-8169",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "999 Blake Ave",
            "address_purpose": "LOCATION",
            "city": "Brooklyn",
            "state": "NY",
            "postal_code": "112083535",
            "country_code": "US",
            "telephone_number": "718-277-8303",
            "fax_number": "718-277-4795",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1002 Westchester Avenue",
            "address_purpose": "LOCATION",
            "city": "Bronx",
            "state": "NY",
            "postal_code": "104593204",
            "country_code": "US",
            "telephone_number": "718-320-4466",
            "fax_number": "718-991-3829",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "504 W 158th St Fl 5",
            "address_purpose": "LOCATION",
            "city": "New York",
            "state": "NY",
            "postal_code": "100327202",
            "country_code": "US",
            "telephone_number": "917-521-3130",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "36-11 21st Street",
            "address_purpose": "LOCATION",
            "city": "Long Island City",
            "state": "NY",
            "postal_code": "111064505",
            "country_code": "US",
            "telephone_number": "718-482-7772",
            "fax_number": "718-482-9648",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "89-44 164th Street",
            "address_purpose": "LOCATION",
            "city": "Jamaica",
            "state": "NY",
            "postal_code": "114326103",
            "country_code": "US",
            "telephone_number": "718-523-2123",
            "fax_number": "718-523-5833",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "350 Grand St Rm 240",
            "address_purpose": "LOCATION",
            "city": "New York",
            "state": "NY",
            "postal_code": "100024629",
            "country_code": "US",
            "telephone_number": "212-634-7550 x7556",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "97-02 Sutphin Blvd",
            "address_purpose": "LOCATION",
            "city": "Jamaica",
            "state": "NY",
            "postal_code": "114359995",
            "country_code": "US",
            "telephone_number": "718-657-7088",
            "fax_number": "718-657-7092",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "12 W 48th St Fl 2",
            "address_purpose": "LOCATION",
            "city": "New York",
            "state": "NY",
            "postal_code": "100361801",
            "country_code": "US",
            "telephone_number": "212-321-7004",
            "fax_number": "212-867-4353",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1880 Bathgate Avenue",
            "address_purpose": "LOCATION",
            "city": "Bronx",
            "state": "NY",
            "postal_code": "104574501",
            "country_code": "US",
            "telephone_number": "718-294-5891",
            "fax_number": "718-294-2468",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2581 Atlantic Ave",
            "address_purpose": "LOCATION",
            "city": "Brooklyn",
            "state": "NY",
            "postal_code": "112072412",
            "country_code": "US",
            "telephone_number": "718-495-6700",
            "fax_number": "646-988-2840",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LOUER",
        "first_name": "KATHERINE",
        "credential": "RN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2016-04-14",
        "last_updated": "2026-10-08",
        "certification_date": "2026-10-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "NY",
            "license": "F342219-1",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in New York, NY

Sources for this page

Verify at the official NPI Registry.