Guy Aaron Young, M.D.

Primary specialty

Pediatric Hematology & Oncology PhysicianTaxonomy code 2080P0207X

License

MED-PHYS-LIC-126509 Issued in MT

Practice address

4650 W Sunset Blvd
Los Angeles, CA 90027-6062

Phone

(323) 361-5507

Fax

(323) 361-7128

NPI assigned

Sep 19, 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 2

Medicare fee-for-service enrollment

Enrolled in CA, MT2 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

Hematology/Oncology

Education

Other, 1992

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Childrens Hospital Los Angeles Medical Group IncGroup PAC ID 0143126920, 288 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Children'S Hosp of Los Angeles Hospital, Los Angeles, CA, CCN 053302

Merit-based Incentive Payment System (MIPS)

Final score

87.04 of 100Reported as group

Quality

84.13

Promoting interoperability

100

Improvement activities

40

Cost

72.66

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Children'S Hospital Los Angeles Medical Group, Inc.

  • Multi-Specialty Clinic/Center
  • Los Angeles, CA
  • NPI 1265530653
  Medicare reassignment Care Compare group NPD
• Bozeman Health Deaconess Hospital

  • Family Medicine Physician
  • Bozeman, MT
  • NPI 1619347390
  Medicare reassignment NPD
• Bozeman Health Deaconess Hospital

  • Durable Medical Equipment & Medical Supplies
  • Bozeman, MT
  • NPI 1013733955
  NPD
• Children'S Hospital Los Angeles

  • Children's Chronic Disease Hospital
  • Los Angeles, CA
  • NPI 1366527954
  NPD (past)
• Childrens Hospital of Los Angeles

  • Children's Hospital
  • Los Angeles, CA
  • NPI 1124073366
  NPD (past)
• Chla Teaching Clinics LLC

  • Multi-Specialty Clinic/Center
  • Arcadia, CA
  • NPI 1669992152
  NPD (past)
• Mission Hospital Regional Medical Center

  • Rehabilitation Hospital
  • Mission Viejo, CA
  • NPI 1003956913
  NPD (past)
• St Joseph Hospital of Orange

  • General Acute Care Hospital
  • Orange, CA
  • NPI 1912982216
  NPD (past)
• UCLA Pediatrics

  • Clinical & Laboratory Immunology (Allergy & Immunology) Physician
  • Los Angeles, CA
  • NPI 1255528055
  NPD (past)

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

• Childrens Hospital of Los Angeles

  • Children's Hospital
  • Los Angeles, CA
  • NPI 1124073366
  Care Compare affiliation

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

{
    "created_epoch": "1158624000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776124800000",
    "number": "1629175195",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4650 W SUNSET BLVD",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900276062",
            "telephone_number": "323-361-2601",
            "fax_number": "323-361-7128"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4650 W SUNSET BLVD",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900276062",
            "telephone_number": "323-361-5507",
            "fax_number": "323-361-7128"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "937 Highland Blvd Ste 5320",
            "address_purpose": "LOCATION",
            "city": "Bozeman",
            "state": "MT",
            "postal_code": "597156916",
            "country_code": "US",
            "telephone_number": "406-414-4900",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "YOUNG",
        "first_name": "GUY",
        "middle_name": "AARON",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-09-19",
        "last_updated": "2026-04-14",
        "certification_date": "2026-04-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2080P0207X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Hematology-Oncology",
            "state": "MT",
            "license": "MED-PHYS-LIC-126509",
            "primary": true
        },
        {
            "code": "2080P0207X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Hematology-Oncology",
            "state": "CA",
            "license": "G85188",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00G851880",
            "state": "CA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "GR0053510",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Garey Faron Young
• Genia Leticia Young
• Gina Annette Young, PNP
• Gloria Young
• Guillermo Arturo Young, M.D.
• Hava Young
• Hayley Lauren Young, MD
• Jack Young
• James Young, MD
• Jaya Young, LCSW

• Pediatric Hematology & Oncology Physician in Los Angeles, CA
• Providers in Los Angeles, CA by specialty
• Pediatric Hematology & Oncology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 14, 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.