CHRISTOPHER DI SIMONE (M.D.) – Medical Oncology Physician, NPI 1861461147
Medical Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,531 HEMATOLOGY/ONCOLOGY in CA
Provider Addresses for CHRISTOPHER DI SIMONE (M.D.)
57725 29 Palms Hwy
Yucca Valley, CA 922843044
Phone: (760) 228-9900
Fax: (760) 773-1668
Type: Location
415 S Palm Canyon Dr
Palm Springs, CA 922627303
Phone: (760) 346-7655
Fax: (760) 773-1668
Type: Location
3555 ROUND BARN CIR
SANTA ROSA, CA 954031757
Phone: (707) 528-1050
Type: Location
39000 BOB HOPE DR
RANCHO MIRAGE, CA 922703202
Phone: (760) 346-7655
Fax: (760) 773-1667
Type: Mailing
39000 Bob Hope Dr
Rancho Mirage, CA 922703221
Phone: (760) 346-7655
Fax: (760) 773-1667
Type: Location
PO BOX 910221
DALLAS, TX 753910221
Phone: (520) 519-7700
Type: Mailing
8415 N PIMA RD STE 165
SCOTTSDALE, AZ 852584486
Phone: (480) 223-9805
Fax: (480) 270-6020
Type: Location
1760, East River Road, Catalina Foothills, Tucson, Pima County, Arizona, 85718, United States
350
TUCSON, AZ 857185999
Phone: (520) 519-7775
Fax: (520) 519-7760
Type: Mailing
603, North Wilmot Road, Tucson, Pima County, Arizona, 85715, United States
STE 151
TUCSON, AZ 857103587
Phone: (520) 324-4778
Fax: (520) 324-2469
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 93 Open Payments records for all available years, with a total value of $2,127.
Total Amount is formed as General ($2,127) + Research ($0) + Ownership ($0) = $2,127.
Last reported payment date: 2024-11-22 • Largest payer in this snapshot: Janssen Biotech, Inc. ($220).
Total Amount
$2,127
General + Research + Ownership
Payments
93
Total payment records
General Amount
$2,127
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-22
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Janssen Biotech, Inc. | $220 |
| Novartis Pharmaceuticals Corporation | $121 |
| Eisai Inc. | $82 |
| Lilly USA, LLC | $82 |
| Aveo Pharmaceuticals, Inc. | $79 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2023-10-06
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20231006001405 | I | Hematology/Oncology | CA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 74 | 71 | $0 |
| 96375 | Injection of additional new drug or substance into vein | 29 | 12 | $0 |
| 96413 | Administration of chemotherapy into vein, 1 hour or less | 25 | 20 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 24 | 22 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 23 | 23 | $0 |
Insurance plans in this area (ZIP 92284)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| MEDICAL ONCOLOGY | AZ | 96367 | Infusion into a vein for therapy prevention or diagnosis additional sequential infusion up to 1 hour | 415 | 87 |
| MEDICAL ONCOLOGY | AZ | 96375 | Injection of different drug or substance into a vein for therapy, diagnosis, or prevention | 314 | 80 |
| MEDICAL ONCOLOGY | AZ | 96415 | Infusion of chemotherapy into a vein | 112 | 31 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Diagnostic Radiology | CA | |
| A N E S T H E S I O L O G Y | CA | |
| Cardiac Electrophysiology, Cardiovascular Disease (Cardiology) | CA | |
| - | CA | |
| Hematology/Oncology, Internal Medicine | CA | |
| - | CA | |
| Hematology/Oncology, Internal Medicine | CA | |
| Nurse Practitioner | CA | |
| Internal Medicine | CA | |
| Family Practice | CA |
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