Individual provider Active NPI

Grzegorz Korzeniowski

  • Family Nurse Practitioner
  • Menifee, CA
National Provider Identifier
1275336034
Registry record updated Apr 22, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
95034365 Issued in CA
Practice address
30420 Haun Rd
Menifee, CA 92584-6810
Phone
(951) 676-4193
NPI assigned
Mar 28, 2025
Last updated
Apr 22, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 22, 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 95034365 CA Primary

Addresses

Primary practice location

30420 Haun Rd
Menifee, CA 92584-6810

Mailing address

24953 Butterchurn Rd
Wildomar, CA 92595-8388
Phone (714) 686-2326

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
I20250509002004 CA Practitioner - Nurse Practitioner 5496272700 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2024
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Rancho Family Medical Group IncGroup PAC ID 6305741240, 112 clinicians

Practice addresses (Care Compare)

30420 Haun Rd
Menifee, CA 92584-6810
Phone (951) 676-4193

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
95034365CAMDFamily Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Rancho Family Medical Group, Inc. CurrentSince Jun 30, 2025 Accepting new patients
Rincon Health Network PastSince May 18, 2025 Accepting new patients

Locations

263 Church Ave
Chula Vista, CA 91910
Phone (619) 422-1324

30420 Haun Rd
Menifee, CA 92584

28780 Single Oak Dr
Ste 160
Temecula, CA 92590
Phone (951) 658-9461

28780 Single Oak Dr
Ste 260
Temecula, CA 92590
Phone (951) 331-2200

Organizations & group practices 2

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": "1743120000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1745280000000",
    "number": "1275336034",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "24953 BUTTERCHURN RD",
            "city": "WILDOMAR",
            "state": "CA",
            "postal_code": "925958388",
            "telephone_number": "714-686-2326"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "30420 HAUN RD",
            "city": "MENIFEE",
            "state": "CA",
            "postal_code": "925846810",
            "telephone_number": "951-676-4193"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KORZENIOWSKI",
        "first_name": "GRZEGORZ",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2025-03-28",
        "last_updated": "2025-04-22",
        "certification_date": "2025-04-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "CA",
            "license": "95034365",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Menifee, CA

Sources for this page

Verify at the official NPI Registry.