Chaitali Nangia, MD
NPI 1669425286ActiveIndividual· Internal Medicine, Hematology & Oncology· Costa Mesa, CA
Internal Medicine, Hematology & Oncology (MD) with Hoag Clinic and 1 other group, practicing in Costa Mesa, California. Their prescriptions cost Medicare Part D more than their services did: $678,962 for 245 claims, against $91,522 paid for services in 2024. Stemline Therapeutics Inc. was the largest of 10 companies reporting payments in 2025, $131,219 in all, mostly speaking and faculty fees. Lists Hoag Memorial Hospital Presbyterian as a hospital affiliation.
Overview
| NPI | 1669425286 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 17, 2006 |
| Last updated in NPPES | Jul 26, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | CA54781 | CA |
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 (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 220 |
|---|---|
| Services billed | 999 across 32 procedure codes |
| Paid by Medicare | $91,522 |
Part D prescriptions in 2024
| Prescriptions (claims) | 245 · 342 30-day fills |
|---|---|
| Patients | 79 |
| Total drug cost | $678,962 |
| Generic share | 80% of claims |
Education and affiliations
| Graduation year | 1998 |
|---|---|
| Medicare specialty | Hematology |
| Secondary specialties | Medical Oncology |
| Telehealth | Offers telehealth |
Medical groups
- Hoag ClinicNewport Beach, CA · 460 clinicians
- Immuno-Oncology Clinic IncEl Segundo, CA · 3 clinicians
Hospital affiliation
- Hoag Memorial Hospital PresbyterianNewport Beach, CA
Industry payments (Open Payments)
- 2025$131,219 · 86 payments from 10 companies
- 2024$158,854 · 121 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stemline Therapeutics Inc. | $46,969 | 27 |
| Gilead Sciences, Inc. | $37,578 | 26 |
| Regeneron Healthcare Solutions, Inc. | $26,610 | 16 |
| Coherus Oncology, Inc. | $10,200 | 4 |
| Astrazeneca Uk Limited | $3,885 | 2 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$100,359 · 27 payments
- Travel and Lodging$19,544 · 30 payments
- Consulting Fee$10,250 · 6 payments
- Food and Beverage$1,045 · 19 payments
- Education$21.32 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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