Gregory Gan, MD, PHD
NPI 1568698561ActiveIndividual· Radiology, Radiation Oncology· Kansas City, KS
Radiology, Radiation Oncology (MD, PHD) in Kansas City, Kansas, trained at University of Pittsburgh School of Medicine (class of 2009). 178 Medicare patients in 2024, $76,363 paid; nearly all of their 163 Part D prescriptions were generic (91%). Gt Medical Technologies, Inc reported $56.60 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1568698561 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD, PHD |
| Sole proprietor | No |
| NPI issued | Jun 4, 2009 |
| Last updated in NPPES | Sep 11, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Radiation Oncology Primary | 2085R0001X | 04-42204 | KS |
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 - Radiation Oncology (KS); Practitioner - Radiation Oncology (MO); Practitioner - Radiation Oncology (NM) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 178 |
|---|---|
| Services billed | 1,109 across 27 procedure codes |
| Paid by Medicare | $76,363 |
Part D prescriptions in 2024
| Prescriptions (claims) | 163 · 212 30-day fills |
|---|---|
| Patients | 51 |
| Total drug cost | $3,371 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | University of Pittsburgh School of Medicine |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Radiation Oncology |
| Telehealth | Offers telehealth |
Medical group
- Kansas University Physicians IncLenexa, KS · 1,849 clinicians
Hospital affiliation
- University of Kansas HospitalKansas City, KS
Industry payments (Open Payments)
- 2025$56.60 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gt Medical Technologies, Inc | $56.60 | 1 |
What the 2025 payments were for
- Food and Beverage$56.60 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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