Darren Michael Kocs, MD
NPI 1972541357ActiveIndividual· Internal Medicine, Hematology & Oncology· Round Rock, TX
Internal Medicine, Hematology & Oncology (MD) in Round Rock, Texas, trained at Js Weill Medical College, Cornell University (class of 1997). In 2024 Medicare paid $4,780,643 for 872 patients, and Part D covered 2,455 of their prescriptions, 69% of them generic. Gilead Sciences, Inc. was the largest of 4 companies reporting payments in 2025, $201.02 in all, mostly food and beverage.
Overview
| NPI | 1972541357 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 4, 2006 |
| Last updated in NPPES | Feb 21, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | L6477 | TX |
| Internal Medicine, Medical Oncology | 207RX0202X | L6477 | TX |
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 - Hematology/Oncology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 872 |
|---|---|
| Services billed | 420,758 across 217 procedure codes |
| Paid by Medicare | $4,780,643 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,455 · 3,927 30-day fills |
|---|---|
| Patients | 436 |
| Total drug cost | $5,964,598 |
| Generic share | 69% of claims |
Education and affiliations
| Medical school | Js Weill Medical College, Cornell University |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Medical Oncology |
| Telehealth | Offers telehealth |
Medical group
- Texas Oncology PAPlano, TX · 1,014 clinicians
Hospital affiliations
- North Austin Medical CenterAustin, TX
- Round Rock Medical CenterRound Rock, TX
- St David's Medical CenterAustin, TX
Other facilities
- Baylor Scott & White Institute for RehabilitationInpatient rehabilitation facility · Lakeway, TX
Industry payments (Open Payments)
- 2025$201.02 · 5 payments from 4 companies
- 2024$76.77 · 4 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $92.99 | 1 |
| Abbvie Inc. | $57.17 | 2 |
| Celgene Corporation | $27.40 | 1 |
| Servier Pharmaceuticals LLC | $23.46 | 1 |
What the 2025 payments were for
- Food and Beverage$108.03 · 4 payments
- Education$92.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Hematology & Oncology providers in Round Rock
- 1558688168
- 1477874477
- 1982090981
- 1942468814
- 1215975487
- 1518079581
- 1528228921
- 1730717554
- 1366828899
- 1841251840
- 1821411109
All Internal Medicine, Hematology & Oncology providers in Texas →