Chloe Atreya, MD, PHD
NPI 1326058777ActiveIndividual· Internal Medicine, Medical Oncology· San Francisco, CA
Internal Medicine, Medical Oncology (MD, PHD) in San Francisco, California, trained at Yale University School of Medicine (class of 2005). Their prescriptions cost Medicare Part D more than their services did: $820,404 for 190 claims, against $36,292 paid for services in 2024. F. Hoffmann-La Roche Ag was the largest of 3 companies reporting payments in 2024, $2,899 in all, mostly consulting fees.
Overview
| NPI | 1326058777 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD, PHD |
| Sole proprietor | No |
| NPI issued | Aug 8, 2006 |
| Last updated in NPPES | Nov 30, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | A104445 | 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 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Medical Oncology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 115 |
|---|---|
| Services billed | 871 across 12 procedure codes |
| Paid by Medicare | $36,292 |
Part D prescriptions in 2024
| Prescriptions (claims) | 190 · 217 30-day fills |
|---|---|
| Patients | 31 |
| Total drug cost | $820,404 |
| Generic share | 59% of claims |
Education and affiliations
| Medical school | Yale University School of Medicine |
|---|---|
| Graduation year | 2005 |
| Medicare specialty | Medical Oncology |
| Telehealth | Offers telehealth |
Medical groups
- University of California San FranciscoSan Francisco, CA · 1,839 clinicians
- UCSF Medical Group Business ServicesSan Francisco, CA · 1,598 clinicians
- Regents of the University of CaliforniaSan Francisco, CA · 732 clinicians
Hospital affiliation
- UCSF Medical CenterSan Francisco, CA
Industry payments (Open Payments)
- 2024$2,899 · 3 payments from 3 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| F. Hoffmann-La Roche Ag | $2,625 | 1 |
| Array Biopharma Inc | $138.67 | 1 |
| Astrazeneca Pharmaceuticals LP | $135.00 | 1 |
What the 2024 payments were for
- Consulting Fee$2,625 · 1 payment
- Food and Beverage$273.67 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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