Julia Kay Nalbandian, NP-C

Primary specialty

Nurse PractitionerTaxonomy code 363L00000X

License

95169707 Issued in CA

Practice address

1600 N Rose Ave
Oxnard, CA 93030-3722

Phone

(805) 988-2500

NPI assigned

Oct 21, 2021

Last updated

Apr 27, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other names 1

• Julia Kay Polzien Former name

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

Vanderbilt University School of Medicine, 2021

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Cep America - CaliforniaGroup PAC ID 6103739131, 1,278 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• St Johns Regional Medical Center Hospital, Oxnard, CA, CCN 050082
• Henry Mayo Newhall Hospital Hospital, Valencia, CA, CCN 050624

Merit-based Incentive Payment System (MIPS)

Final score

96.69 of 100Reported as group

Quality

90

Improvement activities

40

Cost

78.43

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

• Cep America - California

  dba Vituity

  • Emergency Medicine Physician
  • Santa Ana, CA
  • NPI 1548667843
  Medicare reassignment Care Compare group NPD
• Cep America - California

  dba Vituity

  • Emergency Medicine Physician
  • Laguna Hills, CA
  • NPI 1871534966
  NPD
• Cep America-California

  • Emergency Medicine Physician
  • Murrieta, CA
  • NPI 1588552848
  NPD

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

• Dignity Health

  dba St. John's Regional Medical Center

  • General Acute Care Hospital
  • Oxnard, CA
  • NPI 1073665360
  Care Compare affiliation
• Henry Mayo Newhall Memorial Hospital

  dba Henry Mayo Newhall Hospital

  • General Acute Care Hospital
  • Valencia, CA
  • NPI 1780668434
  Care Compare affiliation

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

{
    "created_epoch": "1634774400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777248000000",
    "number": "1902569304",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "167 SPANISH MOSS PL",
            "city": "CAMARILLO",
            "state": "CA",
            "postal_code": "930102635",
            "telephone_number": "949-235-0514"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1600 N ROSE AVE",
            "city": "OXNARD",
            "state": "CA",
            "postal_code": "930303722",
            "telephone_number": "805-988-2500"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NALBANDIAN",
        "first_name": "JULIA",
        "middle_name": "KAY",
        "credential": "NP-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-10-21",
        "last_updated": "2026-04-27",
        "certification_date": "2026-04-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "CA",
            "license": "95169707",
            "primary": true
        },
        {
            "code": "163WE0003X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, Emergency",
            "state": "CA",
            "license": "95169707",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "JULIA",
            "last_name": "POLZIEN",
            "middle_name": "KAY",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Laura Meredith Nagle, LCSW
• Naife Pharmacy Corporation (Herbay Pharmacy East Side)
• Mark M. Najafi, DDS
• Lindsay Nakamura, LMFT, 114180
• Ryan H Nakasone, D.C., P.A.-C
• Patricia McClory Nanda, DMD, MPH
• Vikrum Nanda, DMD, MS
• Andrea P Naranjo, MS, PPS, CWA
• Paduvilan C Narayanan, M.D.
• Shiori Nariai, M.D.

• Nurse Practitioner in Oxnard, CA
• Providers in Oxnard, CA by specialty
• Nurse Practitioner in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 27, 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.