Aditi Choudhry, M.D.
NPI 1427218908ActiveIndividual· Internal Medicine, Hematology & Oncology· Walnut Creek, CA
Internal Medicine, Hematology & Oncology (M.D.) with Providence Medical Foundation and 1 other group, practicing in Walnut Creek, California. Their prescriptions cost Medicare Part D more than their services did: $1,577,488 for 1,085 claims, against $1,047,849 paid for services in 2024. Janssen Biotech, Inc. was the largest of 27 companies reporting payments in 2025, $109,751 in all, mostly speaking and faculty fees. Lists John Muir Medical Center - Concord Campus and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1427218908 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 10, 2008 |
| Last updated in NPPES | Jul 7, 2026 |
| Certified by provider | Jul 7, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | A115151 | 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/Oncology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 670 |
|---|---|
| Services billed | 51,149 across 111 procedure codes |
| Paid by Medicare | $1,047,849 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,085 · 1,803 30-day fills |
|---|---|
| Patients | 258 |
| Total drug cost | $1,577,488 |
| Generic share | 79% of claims |
Education and affiliations
| Graduation year | 2005 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical groups
- Providence Medical FoundationVictorville, CA · 1,466 clinicians
- John Muir Physician NetworkPleasant Hill, CA · 494 clinicians
Hospital affiliations
- John Muir Medical Center - Concord CampusConcord, CA
- John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA
- Petaluma Valley HospitalPetaluma, CA
- Providence Santa Rosa Memorial HospitalSanta Rosa, CA
- Sonoma Valley HospitalSonoma, CA
Industry payments (Open Payments)
- 2025$109,751 · 184 payments from 27 companies
- 2024$55,659 · 81 payments from 21 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $41,103 | 54 |
| Astellas Pharma US Inc | $23,129 | 21 |
| Pfizer Inc. | $17,988 | 23 |
| Astrazeneca Pharmaceuticals LP | $15,851 | 29 |
| Kyowa Kirin, Inc. | $3,400 | 1 |
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$73,790 · 32 payments
- Consulting Fee$16,340 · 8 payments
- Travel and Lodging$15,348 · 44 payments
- Food and Beverage$4,048 · 97 payments
- Education$225.68 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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