Roya Marzieh Nasseri, M.D.

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

C146434 Issued in CA

Practice address

2655 1St St Ste 360
Simi Valley, CA 93065-1581

Phone

(805) 583-7640

Fax

(805) 583-7641

NPI assigned

Jul 7, 2008

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Other names 1

• Roya Mojarrad 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: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Family Practice

Education

Other, 1992

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

The Regents of the University of CaliforniaGroup PAC ID 1355248584, 1,426 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Accentcare UCLA Health, LLC Home health agency, West Hills, CA, CCN 057761
• La Vida Home Health, Inc. Home health agency, Burbank, CA, CCN 757075
• Adventist Health Simi Valley Hospital, Simi Valley, CA, CCN 050236
• Ronald Reagan UCLA Medical Center Hospital, Los Angeles, CA, CCN 050262
• UCLA West Valley Medical Center Hospital, West Hills, CA, CCN 050481

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: rmojarrad517902@direct.uclahealth.org

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.

• The Regents of the University of California

  • Internal Medicine Physician
  • Los Angeles, CA
  • NPI 1235107566

  Family Medicine

  Medicare reassignment Care Compare group NPD
• Regents of the University of California

  • Internal Medicine Physician
  • Glendale, CA
  • NPI 1891110888

  Family Medicine

  Medicare reassignment NPD
• Regents of the University of California

  • Durable Medical Equipment & Medical Supplies
  • Woodland Hills, CA
  • NPI 1083063127
  NPD
• The Regents of the University of California

  • Ambulatory Surgical Clinic/Center
  • Valencia, CA
  • NPI 1689200305
  NPD
• UCLA Medical Group

  • Internal Medicine Physician
  • Los Angeles, CA
  • NPI 1043427248

  Family Medicine

  NPD (past)
• St. Vincent Jennings Hospital, Inc.

  • Critical Access Hospital
  • North Vernon, IN
  • NPI 1285684829
  NPD (past)

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

• Accentcare UCLA Health, LLC

  • Home Health Agency
  • West Hills, CA
  • NPI 1710416136
  Care Compare affiliation
• La Vida Home Health, Inc.

  • Home Health Agency
  • Burbank, CA
  • NPI 1881242378
  Care Compare affiliation
• Regents Univ of Calif Los Angeles

  • General Acute Care Hospital
  • West Hills, CA
  • NPI 1801653969
  Care Compare affiliation
• Regents Univ of Calif Los Angeles

  • General Acute Care Hospital
  • Los Angeles, CA
  • NPI 1902803315
  Care Compare affiliation
• Simi Valley Hospital and Health Care Services

  • General Acute Care Hospital
  • Simi Valley, CA
  • NPI 1063495190
  Care Compare affiliation

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

{
    "created_epoch": "1215388800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768176000000",
    "number": "1265695688",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5767 W CENTURY BLVD STE 400",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900455631"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2655 1ST ST STE 360",
            "city": "SIMI VALLEY",
            "state": "CA",
            "postal_code": "930651581",
            "telephone_number": "805-583-7640",
            "fax_number": "805-583-7641"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NASSERI",
        "first_name": "ROYA",
        "middle_name": "MARZIEH",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2008-07-07",
        "last_updated": "2026-01-12",
        "certification_date": "2026-01-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CA",
            "license": "C146434",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "ROYA",
            "last_name": "MOJARRAD",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Jeffrey Nagel, D.D.S., M.S.
• Norman John Nagel, D.D.S.
• Nalas Home Health Care, Inc.
• Nicole G. Nalbandian, DDS, MS
• Devaki Narayanan
• National Vision Inc
• National Vision, Inc.
• Nationwide Medical Group, Inc
• Anit P.K. Natt, D.D.S.
• Aleli Nava

• Family Medicine Physician in Simi Valley, CA
• Providers in Simi Valley, CA by specialty
• Family Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 12, 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.