Daniel Marchalik, M.D.
NPI 1588963029ActiveIndividual· Urology· Washington, DC
Urology (M.D.) in Washington, District of Columbia, trained at Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) (class of 2011). 206 Medicare patients in 2024, $114,341 paid; nearly all of their 264 Part D prescriptions were generic (91%). Ferring Pharmaceuticals Inc. was the largest of 2 companies reporting payments in 2025, $35.19 in all, mostly food and beverage.
Overview
| NPI | 1588963029 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Mar 23, 2011 |
| Last updated in NPPES | Jun 8, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Urology Primary | 208800000X | MD044242 | DC |
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 - Urology (DC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 206 |
|---|---|
| Services billed | 624 across 48 procedure codes |
| Paid by Medicare | $114,341 |
Part D prescriptions in 2024
| Prescriptions (claims) | 264 · 606 30-day fills |
|---|---|
| Patients | 105 |
| Total drug cost | $24,648 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) |
|---|---|
| Graduation year | 2011 |
| Medicare specialty | Urology |
| Telehealth | Offers telehealth |
Medical group
- Medstar Medical Group II LLCWashington, DC · 3,767 clinicians
Hospital affiliations
- Medstar Georgetown University HospitalWashington, DC
- Medstar Saint Mary's HospitalLeonardtown, MD
- Medstar Washington Hospital CenterWashington, DC
Industry payments (Open Payments)
- 2025$35.19 · 2 payments from 2 companies
- 2024$925.51 · 6 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ferring Pharmaceuticals Inc. | $20.05 | 1 |
| Cook Medical LLC | $15.14 | 1 |
What the 2025 payments were for
- Food and Beverage$35.19 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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