Individual provider Active NPI

Olga Esmeralda Ramirez, RN

  • Family Nurse Practitioner
  • Lancaster, CA
National Provider Identifier
1144027939
Registry record updated Feb 27, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
95138219 Issued in CA
Practice address
4137 W Avenue J7
Lancaster, CA 93536-6289
Phone
(661) 544-5919
NPI assigned
Feb 27, 2025
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Feb 27, 2025

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 95138219 CA Primary

Addresses

Primary practice location

4137 W Avenue J7
Lancaster, CA 93536-6289

Mailing address

4137 W Avenue J7
Lancaster, CA 93536-6289
Phone (661) 544-5919

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
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
I20260210003732 CA Practitioner - Nurse Practitioner 7911486881 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2025
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Reisner Health CenterGroup PAC ID 2567951163, 2 clinicians

Practice addresses (Care Compare)

43807 10TH St W
Suite a
Lancaster, CA 93534-4805
Phone (661) 495-0005

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
95138219CAMDFamily Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Reisner Health Center CurrentSince Dec 1, 2025 Accepting new patients

Locations

43807 10th St W
Ste A
Lancaster, CA 93534
Phone (661) 495-0005

Organizations & group practices 1

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.

NPI Registry JSON

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

{
    "created_epoch": "1740614400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1740614400000",
    "number": "1144027939",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4137 W AVENUE J7",
            "city": "LANCASTER",
            "state": "CA",
            "postal_code": "935366289",
            "telephone_number": "661-544-5919"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4137 W AVENUE J7",
            "city": "LANCASTER",
            "state": "CA",
            "postal_code": "935366289",
            "telephone_number": "661-544-5919"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "RAMIREZ",
        "first_name": "OLGA",
        "middle_name": "ESMERALDA",
        "credential": "RN",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2025-02-27",
        "last_updated": "2025-02-27",
        "certification_date": "2025-02-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "CA",
            "license": "95138219",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Lancaster, CA

Sources for this page

Verify at the official NPI Registry.