Olive Tree Nursing Corporation

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

Legal business name

OLIVE TREE NURSING CORPORATION

Practice address

7227 Broadway Ste 405
Lemon Grove, CA 91945-1505

Phone

(213) 663-8836

NPI assigned

Sep 26, 2025

Organization subpart

No

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

Authorized official

Name

Yohan Han Hwang

Title

Ceo

Phone

(213) 663-8836

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in CA

Enrollment records 1

Locations

Practitioners 6

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• John D Adeiza, NP

  • Nurse Practitioner
  • Escondido, CA
  • NPI 1174918585
  Medicare reassignment Care Compare group NPD
• Wilian Grijalva

  • Family Nurse Practitioner
  • Bonsall, CA
  • NPI 1831872357
  Medicare reassignment Care Compare group NPD
• Yohan Han Hwang

  • Family Nurse Practitioner
  • Chula Vista, CA
  • NPI 1609515642
  Medicare reassignment Care Compare group NPD
• Grace Danbi Lee, FNP-C

  • Family Nurse Practitioner
  • San Diego, CA
  • NPI 1386112597
  Medicare reassignment Care Compare group NPD
• Andres Smith, M.D.

  • Emergency Medicine Physician
  • Chula Vista, CA
  • NPI 1548270200
  Medicare reassignment NPD
• Cristina Tobon-Chung, FNP

  • Family Nurse Practitioner
  • La Mesa, CA
  • NPI 1053735019
  Medicare reassignment NPD

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

{
    "created_epoch": "1758844800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1760486400000",
    "number": "1194698043",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1208 CORTE MENDI",
            "city": "CHULA VISTA",
            "state": "CA",
            "postal_code": "919133547",
            "telephone_number": "213-663-8836"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "7227 BROADWAY STE 405",
            "city": "LEMON GROVE",
            "state": "CA",
            "postal_code": "919451505",
            "telephone_number": "213-663-8836"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "OLIVE TREE NURSING CORPORATION",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-09-26",
        "last_updated": "2025-10-15",
        "certification_date": "2025-10-15",
        "status": "A",
        "authorized_official_last_name": "HWANG",
        "authorized_official_first_name": "YOHAN",
        "authorized_official_middle_name": "HAN",
        "authorized_official_title_or_position": "CEO",
        "authorized_official_telephone_number": "213-663-8836"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Ivan D. O'Neal
• Ashley O'Quinn
• Alexandra Lauren Montano O'Shea
• Michele Anna Obrian
• James Murray Officer, O.D.
• Fariyo Omar
• Omnia Investments LLC
• Carlos Fabian Ontiveros
• Stephanie Ann Oquendo, M.A.
• Luis Oriol

• Internal Medicine Physician in Lemon Grove, CA
• Providers in Lemon Grove, CA by specialty
• Internal Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 15, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.