David Siamanto Hacobian, PA
NPI 1053989475ActiveIndividual· Physician Assistant· Burbank, CA
Physician Assistant (PA) with De Anza Orthopedic Medical Group Inc, practicing in Burbank, California. Their prescriptions cost Medicare Part D more than their services did: $8,628 for 61 claims, against $2,393 paid for services in 2024. Stryker Corporation was the largest of 7 companies reporting payments in 2025, $746.58 in all, mostly food and beverage. Lists Riverside University Health System-Medical Center as a hospital affiliation.
Overview
| NPI | 1053989475 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | No |
| NPI issued | Jun 13, 2021 |
| Last updated in NPPES | Dec 30, 2024 |
| Certified by provider | Jun 12, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | — | — |
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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 43 |
|---|---|
| Services billed | 52 across 5 procedure codes |
| Paid by Medicare | $2,393 |
Part D prescriptions in 2024
| Prescriptions (claims) | 61 · 64 30-day fills |
|---|---|
| Patients | 34 |
| Total drug cost | $8,628 |
| Generic share | 97% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- De Anza Orthopedic Medical Group IncMoreno Valley, CA · 18 clinicians
Hospital affiliation
- Riverside University Health System-Medical CenterMoreno Valley, CA
Industry payments (Open Payments)
- 2025$746.58 · 11 payments from 7 companies
- 2024$341.27 · 6 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stryker Corporation | $301.04 | 3 |
| Vertex Pharmaceuticals Incorporated | $163.68 | 3 |
| Medical Device Business Services, Inc. | $137.01 | 1 |
| Integra Lifesciences Corporation | $71.40 | 1 |
| Solventum Corporation | $29.92 | 1 |
What the 2025 payments were for
- Food and Beverage$609.57 · 10 payments
- Education$137.01 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 60 physician assistants in Burbank · All physician assistants in California