Christopher Di Simone, M.D.
NPI 1861461147 · Medical Oncology Physician · Rancho Mirage, CA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Di Simone, M.D. is a Medical Oncology Physician provider in Rancho Mirage, CA (NPI 1861461147).
Provider details
- NPI number
- 1861461147
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A74788 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,665 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 706 | $17 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 319 | $194 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 293 | $139 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 114 | $234 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 68 | $180 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Dexamethasone | 77 | 30 |
| Prochlorperazine Maleate | 47 | 37 |
| Apixabanbrand: Eliquis | 46 | 12 |
| Acyclovir | 36 | 13 |
| Anastrozole | 34 | 20 |
| Olanzapine | 33 | 17 |
| Prednisone | 26 | — |
| Ondansetron Hcl | 23 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$478 across 18 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 415 S Palm Canyon DrPalm Springs, CA 92262-7303Phone: (760) 346-7655Fax: (760) 773-1668
- 57725 29 Palms HwyYucca Valley, CA 92284-3044Phone: (760) 228-9900Fax: (760) 773-1668
Registry dates
- Enumerated
- 2006-03-17
- Last updated
- 2026-04-14
- Certified
- 2026-04-14
Frequently asked questions
- What is Christopher Di Simone's NPI number?
- Christopher Di Simone's National Provider Identifier (NPI) is 1861461147, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Di Simone's specialty?
- Christopher Di Simone is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Christopher Di Simone located?
- Christopher Di Simone's practice location on file with NPPES is 39000 Bob Hope Dr, Rancho Mirage, CA 92270-3202.
- What is Christopher Di Simone's phone number?
- The practice phone number listed in the NPPES registry for Christopher Di Simone is (760) 346-7655.
- Does Christopher Di Simone accept Medicare?
- Christopher Di Simone is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Di Simone's NPI active?
- Yes — Christopher Di Simone's NPI (1861461147) is active in the NPPES registry as of the last update on 2026-04-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.