Shamila Shanmugam, PA-C
NPI 1417576380ActiveIndividual· Physician Assistant· El Segundo, CA
Physician Assistant (PA-C) with Csi Medical Group, practicing in El Segundo, California. Their prescriptions cost Medicare Part D more than their services did: $173,751 for 629 claims, against $82,756 paid for services in 2024. Abbvie Inc. was the largest of 17 companies reporting payments in 2025, $3,480 in all, mostly food and beverage.
Overview
| NPI | 1417576380 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | Yes |
| NPI issued | Apr 10, 2020 |
| Last updated in NPPES | Mar 7, 2025 |
| Certified by provider | Mar 7, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | — | — |
| Physician Assistant | 363A00000X | PA65548 | 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 (AZ); Practitioner - Physician Assistant (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 503 |
|---|---|
| Services billed | 2,977 across 39 procedure codes |
| Paid by Medicare | $82,756 |
Part D prescriptions in 2024
| Prescriptions (claims) | 629 · 686 30-day fills |
|---|---|
| Patients | 266 |
| Total drug cost | $173,751 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Csi Medical GroupFullerton, CA · 111 clinicians
Industry payments (Open Payments)
- 2025$3,480 · 158 payments from 17 companies
- 2024$1,146 · 67 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $807.55 | 31 |
| Genzyme Corporation | $459.74 | 12 |
| Arcutis Biotherapeutics, Inc. | $415.93 | 17 |
| Ucb, Inc. | $330.42 | 33 |
| Janssen Biotech, Inc. | $296.74 | 11 |
What the 2025 payments were for
- Food and Beverage$3,380 · 157 payments
- Education$99.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Physician Assistant providers in El Segundo
- 1245830181
- 1356812580
- 1891382719
- 1902237894
- 1386482735
- 1831336817
- 1205481728
- 1760844732
- 1982923843
- 1770581423
- 1124402359
- 1376299222