Tony Kastoon, M.D.
NPI 1184636235ActiveIndividual· Internal Medicine· San Bernardino, CA
Internal Medicine (M.D.) with Bashar G Saad MD Inc, practicing in San Bernardino, California. Their prescriptions cost Medicare Part D more than their services did: $5,061,111 for 11,080 claims, against $94,968 paid for services in 2024. Amgen Inc. was the largest of 33 companies reporting payments in 2025, $11,508 in all, mostly food and beverage. Lists Emanate Health Inter-Community Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1184636235 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 13, 2006 |
| Last updated in NPPES | Jan 22, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 4301076855 | MI |
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 - Endocrinology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 385 |
|---|---|
| Services billed | 1,164 across 15 procedure codes |
| Paid by Medicare | $94,968 |
Part D prescriptions in 2024
| Prescriptions (claims) | 11,080 · 20,065 30-day fills |
|---|---|
| Patients | 1,400 |
| Total drug cost | $5,061,111 |
| Generic share | 38% of claims |
Education and affiliations
| Graduation year | 1998 |
|---|---|
| Medicare specialty | Endocrinology |
Medical group
- Bashar G Saad MD IncSan Bernardino, CA · 3 clinicians
Hospital affiliations
- Emanate Health Inter-Community HospitalCovina, CA
- Mountains Community HospitalLake Arrowhead, CA
- San Antonio Regional HospitalUpland, CA
Industry payments (Open Payments)
- 2025$11,508 · 325 payments from 33 companies
- 2024$4,584 · 296 payments from 31 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $6,491 | 36 |
| Abbott Laboratories | $749.67 | 30 |
| Dexcom, Inc. | $746.73 | 67 |
| Novo Nordisk Inc | $520.38 | 27 |
| Ascendis Pharma Endocrinology Inc | $378.97 | 25 |
What the 2025 payments were for
- Food and Beverage$5,794 · 319 payments
- Consulting Fee$4,500 · 2 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$900.00 · 1 payment
- Travel and Lodging$263.66 · 1 payment
- Education$50.20 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 81 internal medicine physicians in San Bernardino · All internal medicine physicians in California