Dr. Aaron D. Baugh, MD
Pulmonology (Pulmonary Disease Physician)
- Medicare participating
At a glance
- Medical school
- University of Toledo College of Medicine (2012)
- Years since graduation
- 14
- In the NPI registry since
- 2012
- Medicare patients seen, 2024
- 242
Licensed in California since 2018, according to the Medical Board of California. 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
- 2012Medical school: University of Toledo College of Medicine
- 2012Registered 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
-
Pulmonary Disease Physician primary
CA license A155615 (first issued 2018; current) -
Internal Medicine Physician
CA license A155615 (first issued 2018; current)
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- UCSF Medical Center San Francisco, CA
Medical groups
- Regents of the University of California (732 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
- 242
- Services billed
- 449
- Patients’ average age
- 71
| Service | Times | Patients |
|---|---|---|
| Test to measure expiratory airflow and volume | 98 | 92 |
| Test to examine how well the lungs exchange gases | 57 | 56 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 44 | 25 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 32 | 21 |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 30 | 29 |
| Test for exercise-induced lung stress | 14 | 13 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 14 | 14 |
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, 1 companies reported 1 payments worth $34.21 in total to this clinician.
| Regeneron Healthcare Solutions, Inc. | $34.21 |
|---|
| Food and Beverage | $34.21 |
|---|
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.