Chibao Nguyen, D.O.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

20A11299 Issued in CA

Practice address

420 W Rowland St
Covina, CA 91723-2943

Phone

(626) 331-6411

Fax

(626) 251-1560

NPI assigned

Jul 2, 2010

Sex

Female

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

Internal MedicineAlso: Hospitalist

Education

Arizona College of Osteopathic Medicine Mid Western University, 2008

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

Pih Health PhysiciansGroup PAC ID 8426951328, 616 clinicians

Healthcare Partners Affiliates Medical GroupGroup PAC ID 7315842002, 775 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Uci Health-Orange Hospital, Orange, CA, CCN 050348

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

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.

• Healthcare Partners Affiliates Medical Group

  dba Optum

  • Internal Medicine Physician
  • Los Angeles, CA
  • NPI 1659312593
  Medicare reassignment Care Compare group NPD
• Pih Health Physicians

  • Family Medicine Physician
  • Whittier, CA
  • NPI 1609233899
  Medicare reassignment Care Compare group NPD
• 24 On Physicians of California, PC

  • Hospitalist Physician
  • Porterville, CA
  • NPI 1730570565
  Medicare reassignment NPD
• Hospitalist Medicine Physicians of California, Inc

  • Internal Medicine Physician
  • Apple Valley, CA
  • NPI 1184663965
  Medicare reassignment NPD
• Inpatient Specialists of California, PC

  • Internal Medicine Physician
  • San Bernardino, CA
  • NPI 1952792475
  Medicare reassignment NPD
• The Regents of the University of California-Irvine

  dba UC Irvine Hospitalist Program

  • Hospitalist Physician
  • Orange, CA
  • NPI 1154479723
  Care Compare group
• Healthcare Partners Affiliates Medical Group

  dba Optum

  • Durable Medical Equipment & Medical Supplies
  • Murrieta, CA
  • NPI 1760057269
  NPD
• Healthcare Partners Affiliates Medical Group

  dba Optum

  • Addiction Medicine (Internal Medicine) Physician
  • Tustin, CA
  • NPI 1891981502
  NPD
• Pih Health Physicians

  • Anesthesiology Physician
  • Downey, CA
  • NPI 1447931506
  NPD
• Pih Health Physicians

  • Cardiovascular Disease Physician
  • Palmdale, CA
  • NPI 1487310280
  NPD
• Memorial Medical Group Inc

  • Durable Medical Equipment & Medical Supplies
  • Phoenix, AZ
  • NPI 1255523643
  NPD (past)

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

• 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

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

{
    "created_epoch": "1278028800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767484800000",
    "number": "1528370830",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 35380",
            "city": "LAS VEGAS",
            "state": "NV",
            "postal_code": "891335380",
            "telephone_number": "702-579-3203"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "420 W ROWLAND ST",
            "city": "COVINA",
            "state": "CA",
            "postal_code": "917232943",
            "telephone_number": "626-331-6411",
            "fax_number": "626-251-1560"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "100 W California Blvd",
            "address_purpose": "LOCATION",
            "city": "Pasadena",
            "state": "CA",
            "postal_code": "911053010",
            "country_code": "US",
            "telephone_number": "626-795-2244",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NGUYEN",
        "first_name": "CHIBAO",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2010-07-02",
        "last_updated": "2026-01-04",
        "certification_date": "2026-01-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "20A11299",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Newborn Follow Up Program
• Brett Newby
• Selena NG, D.O.
• Shawn Ngo
• Brian Nguyen, PHARM.D.
• Christine Quynh Anh Nguyen, LMFT
• Francis Johnson Nguyen
• Julianne Nguyen
• Kristie Ngoc Nguyen
• Linda Nguyen

• Internal Medicine Physician in Covina, CA
• Providers in Covina, 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 Jan 4, 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.