Omar Nagy, DO

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

20A19490 Issued in CA

Practice address

101 The City Dr S
Orange, CA 92868-3201

Phone

(714) 456-8888

NPI assigned

Mar 20, 2019

Last updated

Apr 29, 2026By the provider in NPPES

Sex

Male

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: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

HospitalistAlso: Internal Medicine

Education

Other, 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

The Regents of the University of California-IrvineGroup PAC ID 3971609611, 116 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Valley Home Health Care Agency, Inc Home health agency, Tarzana, CA, CCN 059049
• Los Angeles General Medical Center Hospital, Los Angeles, CA, CCN 050373
• Uci Health-Orange Hospital, Orange, CA, CCN 050348

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

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.

• The Regents of the University of California-Irvine

  dba UC Irvine Hospitalist Program

  • Hospitalist Physician
  • Orange, CA
  • NPI 1154479723
  Medicare reassignment Care Compare group
• Nagy Medical Corp

  • Internal Medicine Physician
  • San Clemente, CA
  • NPI 1164393849
  NPD Authorized official
• Alertive Healthcare Medical Group Apc

  dba Intellicare Medical

  • Internal Medicine Physician
  • Riverside, CA
  • NPI 1467024331
  Medicare reassignment

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

• County of Los Angeles

  dba Los Angeles General Medical Center

  • General Acute Care Hospital
  • Los Angeles, CA
  • NPI 1598773715
  Care Compare affiliation
• University of California Irvine

  dba University of California Irvine - Cac Urgent Care

  • Urgent Care Clinic/Center
  • Irvine, CA
  • NPI 1518739309

  Hospital

  Care Compare affiliation
• University of California Irvine

  dba Uci Health

  • General Acute Care Hospital
  • Orange, CA
  • NPI 1689608150
  Care Compare affiliation
• Valley Home Health Care Agency, Inc.

  • Home Health Agency
  • Tarzana, CA
  • NPI 1255458170
  Care Compare affiliation

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

{
    "created_epoch": "1553040000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777420800000",
    "number": "1285194092",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 31",
            "city": "GARDEN GROVE",
            "state": "CA",
            "postal_code": "928420031",
            "telephone_number": "714-200-9585"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "101 THE CITY DR S",
            "city": "ORANGE",
            "state": "CA",
            "postal_code": "928683201",
            "telephone_number": "714-456-8888"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4500 Brockton Ave Ste 305",
            "address_purpose": "LOCATION",
            "city": "Riverside",
            "state": "CA",
            "postal_code": "925014027",
            "country_code": "US",
            "telephone_number": "951-877-5874",
            "fax_number": "951-521-2357",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NAGY",
        "first_name": "OMAR",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-03-20",
        "last_updated": "2026-04-29",
        "certification_date": "2026-04-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "20A19490",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Christine Nagano, OTR/L
• Shalini Nagaraj
• Misako Nagasaka, MD
• Marni Carmela Switkin Nagel, PH.D.
• Mehek Nagpal, PA-C
• Jeffry T Nahmias, M.D.
• Devesh Rajendra Naidoo, MD
• Ajanta Naidu, M.D.
• Pooja Naik, O.D.
• Brittnay Nail, ASW

• Internal Medicine Physician in Orange, CA
• Providers in Orange, 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 Apr 29, 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.