Dr. Daniel Chakos, M.D.
Hematology & Oncology (Hematology & Oncology Physician)
- Medicare participating
At a glance
- Medical school
- Rush Medical College of Rush University (2015)
- Years since graduation
- 11
- In the NPI registry since
- 2015
- Medicare patients seen, 2024
- 350
Licensed in Illinois since 2021, according to the Illinois Department of Financial and Professional Regulation. We show license dates only for the states that publish them in bulk; see which states do. For other states, check the state medical board.
The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is
Education and training
- 2015Medical school: Rush Medical College of Rush University
- 2015Registered with an NPI (national billing number; not a license date)
Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).
Specialties and state licenses
-
Hematology & Oncology Physician primary
IL license 036156926 (first issued 2021; active)
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- Uchicago Medicine Adventhealth Hinsdale Hinsdale, IL
- Uchicago Medicine Adventhealth La Grange La Grange, IL
- Uchicago Medicine Adventhealth Bolingbrook Bolingbrook, IL
Medical groups
- Ahp Specialty Care Nfp (31 clinicians)
Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.
Medicare patients and services
- Medicare patients, 2024
- 350
- Services billed
- 1,667
- Patients’ average age
- 75
| Service | Times | Patients |
|---|---|---|
| Established patient office or other outpatient visit, 30-39 minutes | 372 | 135 |
| Established patient office or other outpatient visit, 40-54 minutes | 120 | 65 |
| Established patient office or other outpatient visit, 20-29 minutes | 79 | 47 |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 77 | 75 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 62 | 47 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 26 | 18 |
| New patient office or other outpatient visit, 45-59 minutes | 25 | 25 |
| New patient office or other outpatient visit, 60-74 minutes | 25 | 25 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 18 | 18 |
Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.
Medicare prescriptions
| Drug | Prescriptions |
|---|---|
| Eliquis (apixaban) Other prescribers in Hinsdale, IL | 89 |
| Anastrozole Other prescribers in Hinsdale, IL | 68 |
| Hydroxyurea Other prescribers in Hinsdale, IL | 63 |
| Prednisone Other prescribers in Hinsdale, IL | 44 |
| Ondansetron Hcl Other prescribers in Hinsdale, IL | 30 |
| Sulfamethoxazole-Trimethoprim (sulfamethoxazole/trimethoprim) Other prescribers in Hinsdale, IL | 27 |
| Prochlorperazine Maleate Other prescribers in Hinsdale, IL | 26 |
| Acyclovir Other prescribers in Hinsdale, IL | 25 |
| Letrozole Other prescribers in Hinsdale, IL | 22 |
| Warfarin Sodium Other prescribers in Hinsdale, IL | 22 |
Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.
Payments from drug and device companies
In 2025, 10 companies reported 16 payments worth $479 in total to this clinician.
| Janssen Biotech, Inc. | $156 |
|---|---|
| Merck Sharp & Dohme LLC | $63.22 |
| AstraZeneca Pharmaceuticals LP | $53.36 |
| Genentech USA, Inc. | $49.76 |
| Novartis Pharmaceuticals Corporation | $44.66 |
| Pfizer Inc. | $26.66 |
| Incyte Corporation | $24.90 |
| Beone Medicines USA, Inc. | $24.27 |
| Food and Beverage | $479 |
|---|
From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.