Chiraag S. Patel, M.D.
NPI 1649426602ActiveIndividual· Allergy & Immunology· Roseville, CA
Allergy & Immunology (M.D.) in Roseville, California, trained at Northeastern Ohio University College of Medicine (class of 2005). Their prescriptions cost Medicare Part D more than their services did: $1,483,248 for 1,222 claims, against $892,192 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 20 companies reporting payments in 2025, $3,435 in all, mostly food and beverage.
Overview
| NPI | 1649426602 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 11, 2008 |
| Last updated in NPPES | Jan 20, 2021 |
| Certified by provider | Jan 20, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Allergy & Immunology Primary | 207K00000X | A105840 | 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 - Allergy/Immunology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 365 |
|---|---|
| Services billed | 56,058 across 37 procedure codes |
| Paid by Medicare | $892,192 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,222 · 2,252 30-day fills |
|---|---|
| Patients | 271 |
| Total drug cost | $1,483,248 |
| Generic share | 58% of claims |
Education and affiliations
| Medical school | Northeastern Ohio University College of Medicine |
|---|---|
| Graduation year | 2005 |
| Medicare specialty | Allergy/Immunology |
| Telehealth | Offers telehealth |
Hospital affiliations
- Sutter Auburn Faith HospitalAuburn, CA
- Sutter Medical Center, SacramentoSacramento, CA
- Sutter Roseville Medical CenterRoseville, CA
Industry payments (Open Payments)
- 2025$3,435 · 180 payments from 20 companies
- 2024$3,201 · 184 payments from 20 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $1,144 | 75 |
| Csl Behring | $618.58 | 26 |
| Takeda Pharmaceuticals U.S.A., Inc. | $323.40 | 15 |
| Genzyme Corporation | $270.53 | 17 |
| Amgen Inc. | $223.41 | 11 |
What the 2025 payments were for
- Food and Beverage$3,159 · 176 payments
- Education$275.92 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Allergy & Immunology providers in Roseville
- 1083612980
- 1528674793
- 1265502793
- 1770767923
- 1861561219
- 1750466298
- 1235391640
- 1659759512
- 1134353949
- 1154409860