Rachel Grisham, M.D.
NPI 1528195971ActiveIndividual· Internal Medicine, Medical Oncology· New York, NY
Internal Medicine, Medical Oncology (M.D.) in New York, New York, trained at Duke University School of Medicine (class of 2006). Their prescriptions cost Medicare Part D more than their services did: $703,128 for 872 claims, against $60,570 paid for services in 2024. Merck Sharp & Dohme LLC was the largest of 3 companies reporting payments in 2025, $8,478 in all, mostly consulting fees.
Overview
| NPI | 1528195971 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Feb 27, 2007 |
| Last updated in NPPES | Apr 5, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | 252458 | NY |
| Internal Medicine | 207R00000X | L-228163 | MA |
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 - Medical Oncology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 161 |
|---|---|
| Services billed | 836 across 9 procedure codes |
| Paid by Medicare | $60,570 |
Part D prescriptions in 2024
| Prescriptions (claims) | 872 · 1,084 30-day fills |
|---|---|
| Patients | 140 |
| Total drug cost | $703,128 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | Duke University School of Medicine |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | Medical Oncology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Msk HarrisonWest Harrison, NY · 132 clinicians
- Memorial Developmental Chemo GroupNew York, NY · 48 clinicians
Industry payments (Open Payments)
- 2025$8,478 · 4 payments from 3 companies
- 2024$10,480 · 7 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $4,480 | 1 |
| Incyte Corporation | $2,398 | 1 |
| Genmab U.S., Inc. | $1,600 | 2 |
What the 2025 payments were for
- Consulting Fee$8,478 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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