Dr. Daniel R. Arndorfer
Internal Medicine (Internal Medicine Physician)
251 E Huron St
Chicago, IL 60611
Who else practices at this address →
Cook County includes primary care (3% of residents) and mental health (4% of residents) shortage areas. About shortage areas
At a glance
- In the NPI registry since
- 2022
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
- 2022Registered with an NPI (national billing number; not a license date)
Medicare’s Care Compare data doesn’t list this clinician’s medical school. 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
-
Internal Medicine Physician primary
IL license 125.079326 - Student in an Organized Health Care Education/Training Program
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Medicare prescriptions
| Drug | Prescriptions |
|---|---|
| Atorvastatin Calcium Other prescribers in Chicago, IL | 21 |
| Allopurinol Other prescribers in Chicago, IL | 16 |
| Famotidine Other prescribers in Chicago, IL | 12 |
| Lisinopril Other prescribers in Chicago, IL | 11 |
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, 2 companies reported 2 payments worth $246 in total to this clinician.
| Gilead Sciences, Inc. | $125 |
|---|---|
| Madrigal Pharmaceuticals | $121 |
| Food and Beverage | $246 |
|---|
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.