Robin Guo, M.D.
NPI 1811308851ActiveIndividual· Internal Medicine, Medical Oncology· New York, NY
Internal Medicine, Medical Oncology (M.D.) with Mskcc Regional Network and 1 other group, practicing in New York, New York. Their prescriptions cost Medicare Part D more than their services did: $1,215,893 for 811 claims, against $66,627 paid for services in 2024. Merck Sharp & Dohme LLC reported $25.70 in payments in 2025, mostly education.
Overview
| NPI | 1811308851 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 13, 2014 |
| Last updated in NPPES | Apr 16, 2020 |
| Certified by provider | Apr 16, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | 29878 | NY |
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 - Medical Oncology (NJ); Practitioner - Medical Oncology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 200 |
|---|---|
| Services billed | 828 across 9 procedure codes |
| Paid by Medicare | $66,627 |
Part D prescriptions in 2024
| Prescriptions (claims) | 811 · 982 30-day fills |
|---|---|
| Patients | 134 |
| Total drug cost | $1,215,893 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Medical Oncology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Mskcc Regional NetworkCommack, NY · 136 clinicians
- Memorial Developmental Chemo GroupNew York, NY · 48 clinicians
Industry payments (Open Payments)
- 2025$25.70 · 1 payment from 1 company
- 2024$76.14 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $25.70 | 1 |
What the 2025 payments were for
- Education$25.70 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Medical Oncology providers in New York
- 1083988513
- 1871784504
- 1295706869
- 1912978487
- 1245945021
- 1316406879
- 1588789341
- 1972877546
- 1972835874
- 1104281245
- 1134190168
- 1598146227
All Internal Medicine, Medical Oncology providers in New York →