Internal Medicine, Hematology & Oncology · Rancho Mirage, CA
NPI
1508249293
Since 2015
Specialty
Internal Medicine, Hematology & Oncology
Code 207RH0003X
Group practices
1
Medicare group memberships
Hospitals
2
Hospital affiliations
39000 Bob Hope Dr
Rancho Mirage, CA, 92270
Phone (760) 346-7655
Groups this clinician bills Medicare through
Medicare paid, 2024
$41K
3,492 services
Medicare patients, 2024
248
Average age 75
Drug cost, 2024
$6.2M
1,438 prescriptions
Company payments, 2025
$29.63
From 1 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Chrystina Castellon was code 99214 (office e&m - established), 124 times for 70 patients. In total Chrystina Castellon billed 3,492 services in 38 codes, and Medicare paid $41K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2025-07-02.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99214 Office E&M - Established | Office | 124 | 70 | $79.61 | $9,872 |
| 99214 Office E&M - Established | Facility | 119 | 81 | $79.53 | $9,464 |
| 99204 Office E&M - New | Facility | 65 | 65 | $109.06 | $7,089 |
| 99213 Office E&M - Established | Facility | 42 | 40 | $53.91 | $2,264 |
| 99213 Office E&M - Established | Office | 28 | 25 | $53.42 | $1,496 |
By year: 2022 $643K for 38,962 services; 2023 $426K for 35,387 services; 2024 $41K for 3,492 services.
Lab tests billed to Medicare, 2023
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 36415 Venipuncture Blood Collection | 70 | 53 | $7.07 | $495 |
| 85025 Blood Count | 50 | 42 | $7.61 | $381 |
| 80053 Clinical Chemistry | 21 | 20 | $10.35 | $217 |
Medicare prescription drug claims, 2024
In 2024, the drug Chrystina Castellon prescribed most often to Medicare patients was Anastrozole, with 139 prescriptions and refills. In total Chrystina Castellon wrote 1,438 Medicare prescriptions that cost $6.2M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Anastrozole Generic | 139 | 245 | 46 | $1,636 |
| Xgeva Denosumab | 93 | 93 | 23 | $280K |
| Letrozole Generic | 53 | 86 | 14 | $514 |
| Prednisone Generic | 52 | 57 | 14 | $242 |
| Dexamethasone Generic | 50 | 52 | 22 | $1,164 |
| Alendronate Sodium Generic | 43 | 75 | 11 | $213 |
| Keytruda Pembrolizumab | 43 | 43 | Under 11 | $464K |
| Ondansetron Hcl Generic | 40 | 40 | 25 | $8,409 |
| Xtandi Enzalutamide | 37 | 37 | Under 11 | $393K |
| Eliquis Apixaban | 36 | 42 | Under 11 | $24K |
| Abiraterone Acetate Generic | 36 | 36 | Under 11 | $51K |
| Hydroxyurea Generic | 36 | 50 | 11 | $463 |
| Procrit Epoetin Alfa | 35 | 35 | 15 | $43K |
| Lenalidomide Generic | 25 | 25 | Under 11 | $348K |
| Prochlorperazine Maleate Generic | 23 | 23 | 19 | $799 |
Brand drugs: 616 claims; generic drugs: 822 claims; opioid claims: 46.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Chrystina Castellon $29.63 ($29.63 in general payments such as food, travel and fees) from 1 company. The largest payer was Pfizer Inc. with $29.63.
| Company | Payments | Amount |
|---|---|---|
| Pfizer Inc. PFE | 1 | $29.63 |
Official US government data on Original Medicare services, Medicare prescription drug plans and the payments drug and device companies must report. Services with fewer than 11 patients and drugs with fewer than 11 claims are not published. Procedure codes are shown by number with their public category.