Chrystina Castellon, MD
NPI 1508249293ActiveIndividual· Internal Medicine, Hematology & Oncology· Rancho Mirage, CA
Internal Medicine, Hematology & Oncology (MD) in Rancho Mirage, California, trained at New York Medical College (class of 2014). Their prescriptions cost Medicare Part D more than their services did: $6,181,658 for 1,438 claims, against $40,527 paid for services in 2024. Pfizer Inc. reported $29.63 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1508249293 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 30, 2015 |
| Last updated in NPPES | Jul 2, 2025 |
| Certified by provider | Jul 2, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 171344 | CA |
| Internal Medicine, Hematology & Oncology | 207RH0003X | LP04402 | RI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Hematology/Oncology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 248 |
|---|---|
| Services billed | 3,492 across 38 procedure codes |
| Paid by Medicare | $40,527 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,438 · 1,745 30-day fills |
|---|---|
| Patients | 275 |
| Total drug cost | $6,181,658 |
| Generic share | 57% of claims |
Education and affiliations
| Medical school | New York Medical College |
|---|---|
| Graduation year | 2014 |
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- Eisenhower Medical CenterPalm Springs, CA · 456 clinicians
Hospital affiliations
- Eisenhower Medical CenterRancho Mirage, CA
- Hi-Desert Medical CenterJoshua Tree, CA
Industry payments (Open Payments)
- 2025$29.63 · 1 payment from 1 company
- 2024$1,665 · 72 payments from 34 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $29.63 | 1 |
What the 2025 payments were for
- Food and Beverage$29.63 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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