Individual provider Active NPI

Claudia Maria Ortiz, RNC, MSN, WHNP

  • Women's Health Nurse Practitioner
  • New York, NY
National Provider Identifier
1144219395
Registry record updated Dec 10, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Women's Health Nurse PractitionerTaxonomy code 363LW0102X
License
F420691-1 Issued in NY
Practice address
163 W 125TH St
Breast Examination Ctr of Harlem
New York, NY 10027-4436
Phone
(212) 531-8001
NPI assigned
Oct 20, 2005
Last updated
Dec 10, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 10, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Women's Health Nurse Practitioner 363LW0102X F420691-1 NY Primary

Addresses

Primary practice location

163 W 125TH St
Breast Examination Ctr of Harlem
New York, NY 10027-4436

Mailing address

1176 5TH Ave
New York, NY 10029-6503

Other practice location 1

111 N Orange Ave Ste 800
Orlando, FL 32801-2381
Phone (888) 731-8994

Other practice location 2

165 Broadway Fl 23
New York, NY 10006-1452
Phone (888) 731-8994

Other practice location 3

121 Washington Ave N Fl 2
Minneapolis, MN 55401-1619
Phone (888) 731-8994

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY, MN2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20061003000658 NY Practitioner - Nurse Practitioner 9931104593 Reassigns benefits to 1 organization
I20260514001000 MN Practitioner - Nurse Practitioner 9931104593 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2003
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
MSK Ralph Lauren CenterGroup PAC ID 2769725720, 11 clinicians

Practice addresses (Care Compare)

1919 Madison Ave
New York, NY 10035-2745
Phone (212) 987-1777

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Master of Science - Nursing, Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
F420691-1NYMDWomen's Health Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
MSK Ralph Lauren Center CurrentSince Nov 2, 2019 Accepting new patients
MSK-Guttman Diagnostic Center Past Accepting new patients

Locations

633 3rd Ave
Lbby 3
New York, NY 10017
Phone (848) 225-6000

1919 Madison Ave
New York, NY 10035
Phone (212) 987-1776

Networks

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

Interoperability endpoints

  • Direct secure messaging: cortiz36256@mskcc.direct-ci.com

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

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": "1129766400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765324800000",
    "number": "1144219395",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1176 5TH AVE",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100296503"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "163 W 125TH ST",
            "address_2": "BREAST EXAMINATION CTR OF HARLEM",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100274436",
            "telephone_number": "212-531-8001"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "111 N Orange Ave Ste 800",
            "address_purpose": "LOCATION",
            "city": "Orlando",
            "state": "FL",
            "postal_code": "328012381",
            "country_code": "US",
            "telephone_number": "888-731-8994",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "165 Broadway Fl 23",
            "address_purpose": "LOCATION",
            "city": "New York",
            "state": "NY",
            "postal_code": "100061452",
            "country_code": "US",
            "telephone_number": "888-731-8994",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "121 Washington Ave N Fl 2",
            "address_purpose": "LOCATION",
            "city": "Minneapolis",
            "state": "MN",
            "postal_code": "554011619",
            "country_code": "US",
            "telephone_number": "888-731-8994",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ORTIZ",
        "first_name": "CLAUDIA",
        "middle_name": "MARIA",
        "name_prefix": "Ms.",
        "credential": "RNC, MSN, WHNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-10-20",
        "last_updated": "2025-12-10",
        "certification_date": "2025-12-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LW0102X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Women's Health",
            "state": "NY",
            "license": "F420691-1",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in New York, NY

Sources for this page

Verify at the official NPI Registry.