Siamac Vahabzadeh, M.D.
NPI 1568536514ActiveIndividual· Family Medicine· Columbia, MO
Family Medicine (M.D.) with Boone Physician Services LLC and 1 other group, practicing in Columbia, Missouri. Their prescriptions cost Medicare Part D more than their services did: $587,840 for 7,671 claims, against $104,203 paid for services in 2024. Dexcom, Inc. was the largest of 3 companies reporting payments in 2025, $65.14 in all, mostly food and beverage. Lists Boone Hospital Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1568536514 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Nov 20, 2006 |
| Last updated in NPPES | Dec 20, 2022 |
| Certified by provider | Dec 20, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 2006022628 | MO |
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 - Family Practice (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 395 |
|---|---|
| Services billed | 1,441 across 36 procedure codes |
| Paid by Medicare | $104,203 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,671 · 16,452 30-day fills |
|---|---|
| Patients | 579 |
| Total drug cost | $587,840 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2003 |
|---|---|
| Medicare specialty | Family Practice |
Medical groups
- Boone Physician Services LLCColumbia, MO · 250 clinicians
- Aging Well Health Care, LLCSaint Louis, MO · 238 clinicians
Hospital affiliations
- Boone Hospital CenterColumbia, MO
- University of Missouri Health CareColumbia, MO
Industry payments (Open Payments)
- 2025$65.14 · 3 payments from 3 companies
- 2024$64.25 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Dexcom, Inc. | $29.53 | 1 |
| Merck Sharp & Dohme LLC | $18.32 | 1 |
| Astrazeneca Pharmaceuticals LP | $17.29 | 1 |
What the 2025 payments were for
- Food and Beverage$65.14 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 214 family medicine physicians in Columbia · All family medicine physicians in Missouri