Dr. Daniel R. Erdheim, DO
Anesthesiology (Anesthesiology Physician)
- Medicare participating
At a glance
- Medical school
- Lake Erie College of Osteopathic Medicine, Bradenton (2014)
- Years since graduation
- 12
- In the NPI registry since
- 2014
- Medicare patients seen, 2024
- 264
Licensed in Connecticut since 2023, according to the Connecticut Department of Public Health. 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
- 2014Medical school: Lake Erie College of Osteopathic Medicine, Bradenton
- 2014Registered 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
-
Anesthesiology Physician primary
NY license 292537 · CT license 73875 (first issued 2023; active)
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- Danbury Hospital Danbury, CT
- Norwalk Hospital Norwalk, CT
Medical groups
- Nuvance Health Medical Practice Ct Inc (747 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
- 264
- Services billed
- 310
- Patients’ average age
- 74
| Service | Times | Patients |
|---|---|---|
| Anesthesia for other procedure on upper abdomen | 11 | 11 |
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.
Payments from drug and device companies
In 2025, 3 companies reported 3 payments worth $311 in total to this clinician.
| Haemonetics Corporation | $117 |
|---|---|
| Pacira Pharmaceuticals Incorporated | $109 |
| Cerus Corporation | $84.00 |
| Food and Beverage | $311 |
|---|
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.