Shilpa Diwan, M.D, M.P.H
NPI 1942457999ActiveIndividual· Psychiatry & Neurology, Psychiatry· Irvine, CA
Psychiatry & Neurology, Psychiatry (M.D, M.P.H) with Shilpa Diwan MD Inc, practicing in Irvine, California. 173 Medicare patients in 2024, $126,993 paid; nearly all of their 1,470 Part D prescriptions were generic (98%). Abbvie Inc. was the largest of 11 companies reporting payments in 2025, $737.42 in all, mostly food and beverage.
Overview
| NPI | 1942457999 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D, M.P.H |
| Sole proprietor | No |
| NPI issued | Aug 21, 2008 |
| Last updated in NPPES | Jun 4, 2020 |
| Certified by provider | Jun 4, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | C134348 | CA |
| Psychiatry & Neurology, Geriatric Psychiatry | 2084P0805X | C134348 | 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 - Psychiatry (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 173 |
|---|---|
| Services billed | 1,431 across 15 procedure codes |
| Paid by Medicare | $126,993 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,470 · 2,354 30-day fills |
|---|---|
| Patients | 150 |
| Total drug cost | $35,888 |
| Generic share | 98% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Psychiatry |
| Telehealth | Offers telehealth |
Medical group
- Shilpa Diwan MD IncIrvine, CA · 5 clinicians
Industry payments (Open Payments)
- 2025$737.42 · 35 payments from 11 companies
- 2024$443.03 · 21 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $242.26 | 11 |
| Alkermes, Inc. | $76.27 | 4 |
| Neurocrine Biosciences, Inc. | $71.55 | 3 |
| Takeda Pharmaceuticals U.S.A., Inc. | $67.06 | 4 |
| Supernus Pharmaceuticals, Inc. | $62.30 | 3 |
What the 2025 payments were for
- Food and Beverage$737.42 · 35 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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