Manish Kumar Thakur, MD
Internal Medicine, Medical Oncology (MD) with Spectrum Health Primary Care Partners and 4 other groups, practicing in Grand Rapids, Michigan. Their prescriptions cost Medicare Part D more than their services did: $2,538,878 for 1,385 claims, against $30,865 paid for services in 2024. Daiichi Sankyo Inc. was the largest of 10 companies reporting payments in 2025, $9,782 in all, mostly consulting fees. Lists Corewell Health Big Rapids Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1093022386 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 8, 2010 |
| Last updated in NPPES | Dec 21, 2023 |
| Certified by provider | Dec 21, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | 4301095883 | MI |
| Internal Medicine | 207R00000X | 4301095883 | MI |
| Internal Medicine, Hematology | 207RH0000X | 4301095883 | 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 | 194 |
|---|---|
| Services billed | 439 across 16 procedure codes |
| Paid by Medicare | $30,865 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,385 · 1,765 30-day fills |
|---|---|
| Patients | 305 |
| Total drug cost | $2,538,878 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 2003 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical groups
- Spectrum Health Primary Care PartnersGrand Rapids, MI · 2,294 clinicians
- Pennock HospitalIonia, MI · 75 clinicians
- Memorial Medical Center of West MichiganLudington, MI · 62 clinicians
- Newaygo County General Hospital AssociationFremont, MI · 59 clinicians
- Reed City Hospital CorporationReed City, MI · 32 clinicians
Hospital affiliations
- Corewell Health Big Rapids HospitalBig Rapids, MI
- Corewell Health Gerber HospitalFremont, MI
- Corewell Health Pennock HospitalHastings, MI
- Corewell Health Reed City HospitalReed City, MI
- Spectrum HealthGrand Rapids, MI
Industry payments (Open Payments)
- 2025$9,782 · 13 payments from 10 companies
- 2024$7,342 · 15 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Daiichi Sankyo Inc. | $3,454 | 3 |
| Takeda Pharmaceuticals U.S.A., Inc. | $2,040 | 1 |
| Regeneron Pharmaceuticals, Inc. | $1,941 | 1 |
| Pfizer Inc. | $1,650 | 2 |
| Galvanize Therapeutics, Inc | $315.01 | 1 |
What the 2025 payments were for
- Consulting Fee$9,085 · 7 payments
- Food and Beverage$358.46 · 3 payments
- Travel and Lodging$203.68 · 1 payment
- Education$135.05 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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