Jared D. Knol, MD
NPI 1982867891ActiveIndividual· Internal Medicine, Medical Oncology· Grand Rapids, MI
Internal Medicine, Medical Oncology (MD) in Grand Rapids, Michigan, trained at Vanderbilt University School of Medicine (class of 2008). Their prescriptions cost Medicare Part D more than their services did: $7,229,147 for 1,251 claims, against $1,204,472 paid for services in 2024. Merck Sharp & Dohme LLC was the largest of 9 companies reporting payments in 2025, $359.05 in all, mostly food and beverage.
Overview
| NPI | 1982867891 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 10, 2008 |
| Last updated in NPPES | Mar 17, 2020 |
| Certified by provider | Mar 17, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | 4301108179 | MI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Hematology/Oncology (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 331 |
|---|---|
| Services billed | 56,680 across 151 procedure codes |
| Paid by Medicare | $1,204,472 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,251 · 1,316 30-day fills |
|---|---|
| Patients | 248 |
| Total drug cost | $7,229,147 |
| Generic share | 59% of claims |
Education and affiliations
| Medical school | Vanderbilt University School of Medicine |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Hematology/Oncology |
Medical groups
- Center for Physical Rehabilitation and Therapy LPGrand Rapids, MI · 369 clinicians
- Center for Physical Rehabilitation IncGrand Rapids, MI · 357 clinicians
- Cancer and Hematology Centers of Western Mi, P.C.Holland, MI · 110 clinicians
Hospital affiliations
- Mercy Health Saint Mary'sGrand Rapids, MI
- Spectrum HealthGrand Rapids, MI
- Spectrum Health United HospitalGreenville, MI
- Trinity Health Grand Haven HospitalGrand Haven, MI
- Trinity Health Muskegon HospitalMuskegon, MI
Industry payments (Open Payments)
- 2025$359.05 · 12 payments from 9 companies
- 2024$343.04 · 16 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $92.52 | 3 |
| Shorla Oncology Inc. | $71.20 | 1 |
| Springworks Therapeutics, Inc. | $40.85 | 2 |
| Agios Pharmaceuticals, Inc. | $33.70 | 1 |
| Astellas Pharma US Inc | $28.87 | 1 |
What the 2025 payments were for
- Food and Beverage$333.35 · 11 payments
- Education$25.70 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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