Kristen Nicole Lefstein

Primary specialty

Primary Care Nurse PractitionerTaxonomy code 363LP2300X

License

95007538 Issued in CA

Practice address

1120 W la Veta Ave Ste 300
Orange, CA 92868-4246

Phone

(714) 598-1745

NPI assigned

Feb 28, 2018

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

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

Specialty

Nurse Practitioner

Education

University of California, Irvine, California College of Medicine, 2017

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Providence Medical FoundationGroup PAC ID 8921993205, 1,461 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Providence St. Joseph Hospital Hospital, Orange, CA, CCN 050069

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

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.

• Providence Medical Foundation

  • Family Medicine Physician
  • Brea, CA
  • NPI 1871607762
  Medicare reassignment Care Compare group NPD
• Providence Medical Foundation

  • Family Medicine Physician
  • Anaheim, CA
  • NPI 1639715709
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• St Joseph Hospital of Orange

  • General Acute Care Hospital
  • Orange, CA
  • NPI 1912982216
  Care Compare affiliation
• St. Joseph Hospital of Orange

  • General Acute Care Hospital
  • Orange, CA
  • NPI 1558575746
  Care Compare affiliation

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

{
    "created_epoch": "1519776000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768262400000",
    "number": "1689176109",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "824 CORTEZ ST",
            "city": "COSTA MESA",
            "state": "CA",
            "postal_code": "926265823",
            "telephone_number": "949-933-9825"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1120 W LA VETA AVE STE 300",
            "city": "ORANGE",
            "state": "CA",
            "postal_code": "928684246",
            "telephone_number": "714-598-1745"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "845 W La Veta Ave Ste 105",
            "address_purpose": "LOCATION",
            "city": "Orange",
            "state": "CA",
            "postal_code": "928683930",
            "country_code": "US",
            "telephone_number": "714-289-6565",
            "fax_number": "714-289-6571",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LEFSTEIN",
        "first_name": "KRISTEN",
        "middle_name": "NICOLE",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-02-28",
        "last_updated": "2026-01-13",
        "certification_date": "2026-01-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP2300X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Primary Care",
            "state": "CA",
            "license": "95007538",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Vincent Lee, DO
• Wang Fai Lee, MD
• Yu-PO Lee, M.D.
• Courtney Jean Leedom
• Megan Lefebvre
• Milton E. Legome, M.D.
• Eliana Leguizamon Badura
• Lance Talbott Lehman, MD
• Richard Dewayne Lehman, LCSW
• Amelie Rose Lehmann

• Primary Care Nurse Practitioner in Orange, CA
• Providers in Orange, CA by specialty
• Primary Care Nurse Practitioner in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.