Christopher Di Simone, M.D.

Primary specialty

Medical Oncology PhysicianTaxonomy code 207RX0202X

License

A74788 Issued in CA

Practice address

39000 Bob Hope Dr
Rancho Mirage, CA 92270-3202

Phone

(760) 346-7655

Fax

(760) 773-1667

NPI assigned

Mar 17, 2006

Last updated

Apr 14, 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 2

Addresses

Other identifiers 1

Other names 1

• Christopher Disimone Other name

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

Hematology/Oncology

Education

University of California, Davis School of Medicine, 1999

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Providence Medical FoundationGroup PAC ID 8921993205, 1,461 clinicians

Eisenhower Medical CenterGroup PAC ID 5890689657, 462 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Eisenhower Medical Center Hospital, Rancho Mirage, CA, CCN 050573
• Providence Santa Rosa Memorial Hospital Hospital, Santa Rosa, CA, CCN 050174
• Sonoma Valley Hospital Hospital, Sonoma, CA, CCN 050090
• Healdsburg Hospital Hospital, Healdsburg, CA, CCN 051321
• Petaluma Valley Hospital Hospital, Petaluma, CA, CCN 050136

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: cdisimone2992373@oc.providencedirect.org

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.

• Eisenhower Medical Center

  dba Eisenhower Health

  • General Acute Care Hospital
  • Rancho Mirage, CA
  • NPI 1013981554
  Medicare reassignment Care Compare group NPD (past)
• Providence Medical Foundation

  • Family Medicine Physician
  • Brea, CA
  • NPI 1871607762
  Medicare reassignment Care Compare group NPD (past)
• Eisenhower Medical Center

  dba Eisenhower

  • General Acute Care Hospital
  • Palm Desert, CA
  • NPI 1538491949
  NPD
• Eisenhower Medical Center

  dba Eisenhower Health

  • General Acute Care Hospital
  • Cathedral City, CA
  • NPI 1629384615
  NPD
• Providence Medical Foundation

  • Urology Physician
  • Apple Valley, CA
  • NPI 1053616706
  NPD
• Providence Medical Foundation

  • General Practice Physician
  • Diamond Bar, CA
  • NPI 1285890624
  NPD
• Providence Medical Foundation

  • Family Medicine Physician
  • Anaheim, CA
  • NPI 1639715709
  NPD
• Halo Medical Group

  dba Desert Medical Imaging

  • Diagnostic Radiology Physician
  • Indian Wells, CA
  • NPI 1467506451

  Family Medicine

  NPD (past)
• St. Joseph Health Northern California, LLC

  dba Providence Santa Rosa Memorial Hospital

  • General Acute Care Hospital
  • Santa Rosa, CA
  • NPI 1134152549
  NPD (past)

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

• Eisenhower Medical Center

  dba Eisenhower Health

  • General Acute Care Hospital
  • Rancho Mirage, CA
  • NPI 1013981554
  Care Compare affiliation
• Norcal Healthconnect LLC

  dba Petaluma Valley Hospital

  • General Acute Care Hospital
  • Petaluma, CA
  • NPI 1235162645
  Care Compare affiliation
• Norcal Healthconnect LLC

  • Multi-Specialty Clinic/Center
  • Healdsburg, CA
  • NPI 1720695547

  Hospital

  Care Compare affiliation
• Norcal Healthconnect LLC

  dba Healdsburg Hospital

  • Critical Access Hospital
  • Healdsburg, CA
  • NPI 1861009672
  Care Compare affiliation
• Sonoma Valley Health Care District

  dba Sonoma Valley Hospital

  • General Acute Care Hospital
  • Sonoma, CA
  • NPI 1710063870
  Care Compare affiliation
• St. Joseph Health Northern California, LLC

  dba Providence Santa Rosa Memorial Hospital

  • General Acute Care Hospital
  • Santa Rosa, CA
  • NPI 1134152549
  Care Compare affiliation

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

{
    "created_epoch": "1142553600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776124800000",
    "number": "1861461147",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "39000 BOB HOPE DR",
            "city": "RANCHO MIRAGE",
            "state": "CA",
            "postal_code": "922703202",
            "telephone_number": "760-346-7655",
            "fax_number": "760-773-1667"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "39000 BOB HOPE DR",
            "city": "RANCHO MIRAGE",
            "state": "CA",
            "postal_code": "922703202",
            "telephone_number": "760-346-7655",
            "fax_number": "760-773-1667"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "57725 29 Palms Hwy",
            "address_purpose": "LOCATION",
            "city": "Yucca Valley",
            "state": "CA",
            "postal_code": "922843044",
            "country_code": "US",
            "telephone_number": "760-228-9900",
            "fax_number": "760-773-1668",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "415 S Palm Canyon Dr",
            "address_purpose": "LOCATION",
            "city": "Palm Springs",
            "state": "CA",
            "postal_code": "922627303",
            "country_code": "US",
            "telephone_number": "760-346-7655",
            "fax_number": "760-773-1668",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DI SIMONE",
        "first_name": "CHRISTOPHER",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-17",
        "last_updated": "2026-04-14",
        "certification_date": "2026-04-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "AZ",
            "license": "A74788",
            "primary": false
        },
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "CA",
            "license": "A74788",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "940917",
            "state": "AZ"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "CHRISTOPHER",
            "last_name": "DISIMONE",
            "credential": "MD",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

• Marianne K Dezelan, PAC
• Abigail Rose Dezern
• Massoud G Dezfuli, D.O.
• DFDD Clinical Services (We Care Dental Center)
• Mandeep Kaur Dhaliwal, M.D.
• Kirk Allan Dial
• Evangelos Aristotales Diamantakos, D.O.
• Daniel Diaz, FNP
• Manuel Alejandro Diaz
• Dikran Torian, MD, Inc.

• Medical Oncology Physician in Rancho Mirage, CA
• Providers in Rancho Mirage, CA by specialty
• Medical 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.