John Allan Ellerton, MD, CM

Primary specialty

Hematology & Oncology PhysicianTaxonomy code 207RH0003X

License

3861 Issued in NV

Practice address

1655 E Cactus Ave Ste 300
Las Vegas, NV 89183-7723

Phone

(702) 724-8777

Fax

(702) 352-2790

NPI assigned

Oct 23, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 7

Medicare fee-for-service enrollment

Enrolled in NV

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

Medical OncologyAlso: Hematology, Internal Medicine

Education

Other, 1974

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Optum Medical Group Rhodes P C 53 clinicians

Practice addresses (Care Compare)

Merit-based Incentive Payment System (MIPS)

Final score

89.7 of 100Reported as group

Quality

82.63

Promoting interoperability

100

Improvement activities

40

Cost

83.03

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: john.ellerton.p4@direct.uson.nextgenshare.com
• FHIR API: https://api.platform.athenahealth.com/1566/brand/2/csg/41/fhir/r4
• Direct secure messaging: jellerton118006@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.

• Optum Medical Group Rhodes P C

  • Specialist
  • Las Vegas, NV
  • NPI 1063458594

  NV

  Medicare reassignment Care Compare group NPD
• Optum Medical Group Rhodes P C

  • Radiation Oncology Physician
  • Las Vegas, NV
  • NPI 1225609464
  NPD
• Boulder City Hospital Inc

  • Skilled Nursing Facility
  • Boulder City, NV
  • NPI 1831234558
  NPD (past)
• Centennial Hills Hospital Medical Center

  • General Acute Care Hospital
  • Las Vegas, NV
  • NPI 1487771812
  NPD (past)
• De Craig Ranch, LLC

  • General Acute Care Hospital
  • Las Vegas, NV
  • NPI 1457895336
  NPD (past)
• De Craig Ranch, LLC

  • General Acute Care Hospital
  • North Las Vegas, NV
  • NPI 1578007514
  NPD (past)
• De Craig Ranch, LLC

  • General Acute Care Hospital
  • Las Vegas, NV
  • NPI 1740724780
  NPD (past)
• De Craig Ranch, LLC

  • General Acute Care Hospital
  • Las Vegas, NV
  • NPI 1922542968
  NPD (past)
• Desert Springs Hospital

  • General Acute Care Hospital
  • Las Vegas, NV
  • NPI 1154317964
  NPD (past)
• Desert View Regional Medical Center Holdings, LLC

  • Critical Access Hospital
  • Pahrump, NV
  • NPI 1073530168
  NPD (past)
• Dignity Health

  • General Acute Care Hospital
  • Henderson, NV
  • NPI 1447393152
  NPD (past)
• Dignity Health

  • General Acute Care Hospital
  • Las Vegas, NV
  • NPI 1528101284
  NPD (past)

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

{
    "created_epoch": "1161561600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786838400000",
    "number": "1962585745",
    "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": "702-724-8777",
            "fax_number": "702-352-2790"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1655 E CACTUS AVE STE 300",
            "city": "LAS VEGAS",
            "state": "NV",
            "postal_code": "891837723",
            "telephone_number": "702-724-8777",
            "fax_number": "702-352-2790"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ELLERTON",
        "first_name": "JOHN",
        "middle_name": "ALLAN",
        "credential": "MD, CM",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-10-23",
        "last_updated": "2026-08-16",
        "certification_date": "2025-11-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "NV",
            "license": "3861",
            "primary": true
        },
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "CA",
            "license": "G39440",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "20-02623",
            "state": "NV"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "LICENSE",
            "identifier": "3861",
            "state": "NV"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "LICENSE",
            "identifier": "G39440",
            "state": "CA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AMERIGROUP",
            "identifier": "01673965",
            "state": "NV"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CIGNA",
            "identifier": "0098707",
            "state": "NV"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE",
            "identifier": "P01062140",
            "state": "NV"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA",
            "identifier": "4297063",
            "state": "NV"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Alexa Elkington, MS
• Anna Melissa Elkins
• Daniel R Elkins Jr.
• John W Elkins
• Kiley Ellefson
• Elleston Craig Rucker LLC
• Ashlen Ellingsen
• Amanda Ellingsworth
• Elliot Wade MD Inc
• Chewannia R Elliot

• All providers in Las Vegas, NV
• Hematology & Oncology Physician in Nevada

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 16, 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.