Bernard Grunstra, MD
NPI 1558367417ActiveIndividual· Internal Medicine· Bristol, TN
Internal Medicine (MD) with Internal Medicine and Pediatric Assoc of Bristol, practicing in Bristol, Tennessee. Their prescriptions cost Medicare Part D more than their services did: $1,157,804 for 7,727 claims, against $98,141 paid for services in 2024. F. Hoffmann-La Roche Ag was the largest of 22 companies reporting payments in 2025, $3,420 in all, mostly food and beverage. Lists Johnson City Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1558367417 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 24, 2005 |
| Last updated in NPPES | Apr 2, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MD21854 | TN |
| Pediatrics | 208000000X | MD21854 | TN |
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 - Internal Medicine (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 313 |
|---|---|
| Services billed | 2,586 across 61 procedure codes |
| Paid by Medicare | $98,141 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,727 · 18,449 30-day fills |
|---|---|
| Patients | 413 |
| Total drug cost | $1,157,804 |
| Generic share | 82% of claims |
Education and affiliations
| Graduation year | 1985 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Pediatric Medicine |
Medical group
- Internal Medicine and Pediatric Assoc of BristolBristol, TN · 6 clinicians
Hospital affiliations
- Johnson City Medical CenterJohnson City, TN
- Wellmont Bristol Regional Medical CenterBristol, TN
- Wellmont Holston Valley Medical CenterKingsport, TN
Industry payments (Open Payments)
- 2025$3,420 · 118 payments from 22 companies
- 2024$4,833 · 99 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| F. Hoffmann-La Roche Ag | $1,823 | 4 |
| Astrazeneca Pharmaceuticals LP | $489.20 | 43 |
| Amgen Inc. | $209.29 | 19 |
| Novo Nordisk Inc | $148.47 | 10 |
| Pfizer Inc. | $120.21 | 9 |
What the 2025 payments were for
- Food and Beverage$2,225 · 111 payments
- Travel and Lodging$1,194 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 37 internal medicine physicians in Bristol · All internal medicine physicians in Tennessee