Dr. Patrick C. Ahearn, MD
Nephrology (Kidney) (Nephrology Physician)
300 Pasteur Dr
Stanford, CA 94305
Who else practices at this address →
Santa Clara County includes mental health (13% of residents) shortage areas. About shortage areas
- Medicare participating
At a glance
- Years since graduation
- 14
- In the NPI registry since
- 2012
- Medicare patients seen, 2024
- 244
Licensed in California since 2014, 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
- 2012Registered 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
-
Nephrology Physician primary
CA license A129551 (first issued 2014; current) -
Internal Medicine Physician
CA license A129551 (first issued 2014; current)
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- Stanford Health Care Stanford, CA
- Stanford Health Care Tri-Valley Pleasanton, CA
Medical groups
- Stanford Health Care (3,122 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
- 244
- Services billed
- 806
- Patients’ average age
- 60
| Service | Times | Patients |
|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 233 | 78 |
| Established patient office or other outpatient visit, 40-54 minutes | 226 | 72 |
| Established patient office or other outpatient visit, 30-39 minutes | 161 | 75 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 35 | 17 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 32 | 31 |
| New patient office or other outpatient visit, 60-74 minutes | 13 | 13 |
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
Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.