Taahira Siddiqui, PA-C
NPI 1477398410ActiveIndividual· Physician Assistant· Irvine, CA
Physician Assistant (PA-C) with Digestive Disease Consultants of Orange County Inc, practicing in Irvine, California. Enrolled in Medicare as practitioner - physician assistant. Janssen Biotech, Inc. was the largest of 11 companies reporting payments in 2025, $1,591 in all, mostly food and beverage. Lists Hoag Memorial Hospital Presbyterian as a hospital affiliation.
Overview
| NPI | 1477398410 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | Yes |
| NPI issued | Jul 1, 2024 |
| Last updated in NPPES | Jul 18, 2025 |
| Certified by provider | Jul 18, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA66533 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Physician Assistant (CA) |
|---|
Education and affiliations
| Graduation year | 2025 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Digestive Disease Consultants of Orange County IncIrvine, CA · 14 clinicians
Hospital affiliation
- Hoag Memorial Hospital PresbyterianNewport Beach, CA
Industry payments (Open Payments)
- 2025$1,591 · 34 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $475.54 | 15 |
| Madrigal Pharmaceuticals | $188.22 | 3 |
| Abbvie Inc. | $163.65 | 5 |
| Regeneron Healthcare Solutions, Inc. | $153.56 | 2 |
| Lilly USA, LLC | $125.00 | 1 |
What the 2025 payments were for
- Food and Beverage$1,591 · 34 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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