Jonathan Lischalk, M.D.
NPI 1083973556ActiveIndividual· Radiology, Radiation Oncology· Washington, DC
Radiology, Radiation Oncology (M.D.) with Medstar Medical Group II LLC and 1 other group, practicing in Washington, District of Columbia. 211 Medicare patients in 2024, $91,605 paid; all of their 267 Part D prescriptions were generic. Accuray Incorporated was the largest of 3 companies reporting payments in 2025, $25,523 in all, mostly consulting fees. Lists Medstar Georgetown University Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1083973556 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 3, 2012 |
| Last updated in NPPES | Aug 29, 2022 |
| Certified by provider | Aug 29, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Radiation Oncology Primary | 2085R0001X | MD044917 | DC |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Radiation Oncology (DC); Practitioner - Radiation Oncology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 211 |
|---|---|
| Services billed | 1,367 across 20 procedure codes |
| Paid by Medicare | $91,605 |
Part D prescriptions in 2024
| Prescriptions (claims) | 267 · 384 30-day fills |
|---|---|
| Patients | 73 |
| Total drug cost | $3,060 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Radiation Oncology |
| Telehealth | Offers telehealth |
Medical groups
- Medstar Medical Group II LLCWashington, DC · 3,767 clinicians
- Suburban/Nrh Medical Rehabilitation IncBethesda, MD · 941 clinicians
Hospital affiliations
- Medstar Georgetown University HospitalWashington, DC
- Medstar Washington Hospital CenterWashington, DC
- Sibley Memorial HospitalWashington, DC
- Virginia Hospital CenterArlington, VA
Industry payments (Open Payments)
- 2025$25,523 · 22 payments from 3 companies
- 2024$4,147 · 8 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Accuray Incorporated | $25,340 | 17 |
| Boston Scientific Corporation | $144.54 | 3 |
| Sumitomo Pharma America, Inc. | $38.76 | 2 |
What the 2025 payments were for
- Consulting Fee$11,700 · 9 payments
- Travel and Lodging$10,484 · 5 payments
- Honoraria$3,000 · 1 payment
- Food and Beverage$339.30 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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