Andreas Sarrigiannidis, MD
NPI 1497853147ActiveIndividual· Internal Medicine, Pulmonary Disease· Bismarck, ND
Internal Medicine, Pulmonary Disease (MD) with Sanford Bismarck, practicing in Bismarck, North Dakota. Their prescriptions cost Medicare Part D more than their services did: $352,966 for 282 claims, against $72,680 paid for services in 2024. Insmed, Inc. was the largest of 10 companies reporting payments in 2025, $382.01 in all, mostly food and beverage. Lists Chi St Alexius Health and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1497853147 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 20, 2006 |
| Last updated in NPPES | Jan 10, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | 9629 | ND |
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 - Pulmonary Disease (ND) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 451 |
|---|---|
| Services billed | 1,051 across 34 procedure codes |
| Paid by Medicare | $72,680 |
Part D prescriptions in 2024
| Prescriptions (claims) | 282 · 348 30-day fills |
|---|---|
| Patients | 48 |
| Total drug cost | $352,966 |
| Generic share | 45% of claims |
Education and affiliations
| Graduation year | 1987 |
|---|---|
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Critical Care (Intensivists) |
Medical group
- Sanford BismarckBismarck, ND · 556 clinicians
Hospital affiliations
- Chi St Alexius HealthBismarck, ND
- Chi St Alexius Health DickinsonDickinson, ND
- Sanford Medical Center BismarckBismarck, ND
Industry payments (Open Payments)
- 2025$382.01 · 20 payments from 10 companies
- 2024$194.34 · 8 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Insmed, Inc. | $107.22 | 6 |
| Abbvie Inc. | $55.77 | 3 |
| Melinta Therapeutics, LLC | $41.87 | 2 |
| Regeneron Healthcare Solutions, Inc. | $38.54 | 2 |
| Amgen Inc. | $34.13 | 2 |
What the 2025 payments were for
- Food and Beverage$382.01 · 20 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 16 pulmonologists in Bismarck · All pulmonologists in North Dakota