Amaka Jennifer Onyiagu, M.D

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

24413 Issued in NV

Practice address

2720 N Tenaya Way
Las Vegas, NV 89128-0424

Phone

(702) 877-8600

NPI assigned

Apr 10, 2020

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

Medicare fee-for-service enrollment

Enrolled in NV, IL2 enrollments

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 2

Specialty

Internal Medicine

Education

Other, 2012

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

24 On Physicians PCGroup PAC ID 5698688141, 274 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Memorial Hospital of Carbondale Hospital, Carbondale, IL, CCN 140164

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: aonyiagu119188@westdirect.optum.com

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.

• 24 On Physicians, PC

  • Hospitalist Physician
  • Ottawa, IL
  • NPI 1346480431
  Medicare reassignment Care Compare group NPD
• Optum Medical Group II Rhodes P C

  • Internal Medicine Physician
  • Las Vegas, NV
  • NPI 1790329407
  Medicare reassignment NPD
• Optum Medical Group Rhodes P C

  • Anesthesiology Physician
  • Las Vegas, NV
  • NPI 1770556037
  NPD
• 24 On Physicians, P.C.

  • Hospitalist Physician
  • Attleboro, MA
  • NPI 1790104511
  NPD
• Southwest Medical Associates, Inc

  • Internal Medicine Physician
  • Las Vegas, NV
  • NPI 1659346005
  NPD (past)
• Spring Valley Medical Center

  • General Acute Care Hospital
  • Las Vegas, NV
  • NPI 1346230323
  NPD (past)
• Valley Hospital Medical Center

  • General Acute Care Hospital
  • Las Vegas, NV
  • NPI 1417947490
  NPD (past)

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

• Southern Illinois Hospital Services

  • General Acute Care Hospital
  • Carbondale, IL
  • NPI 1093801797
  Care Compare affiliation

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

{
    "created_epoch": "1586476800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763424000000",
    "number": "1386263283",
    "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",
            "fax_number": "702-838-1456"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2720 N TENAYA WAY",
            "city": "LAS VEGAS",
            "state": "NV",
            "postal_code": "891280424",
            "telephone_number": "702-877-8600"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ONYIAGU",
        "first_name": "AMAKA",
        "middle_name": "JENNIFER",
        "credential": "M.D",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2020-04-10",
        "last_updated": "2025-11-18",
        "certification_date": "2025-11-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NV",
            "license": "24413",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Onward Health LLC
• Angelina L Onwuka-Smarty
• Emmanuel K Onwutuebe, MD
• Chidelu C Onyeani-Nwosu, MD
• John Nkwachukwu Onyema, M.D.,
• Op Pharmacy LLC
• Anna Ogechukwu Opara
• Anslem A Oparaugo, MD
• Open Airway Las Vegas LLC
• Open Arms Counseling LLC

• Internal Medicine Physician in Las Vegas, NV
• Providers in Las Vegas, NV by specialty
• Internal Medicine Physician in Nevada

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 18, 2025; 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.