Dr. Chase A. Ludwig, MD
Retina Specialist (Retina Specialist (Ophthalmology) 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
- Medical school
- Stanford University School of Medicine (2016)
- Years since graduation
- 10
- In the NPI registry since
- 2016
- Medicare patients seen, 2024
- 75
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
- 2016Medical school: Stanford University School of Medicine
- 2016Registered 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
-
Retina Specialist (Ophthalmology) Physician primary
CA license A156503 (first issued 2018; current) -
Ophthalmology Physician
CA license A156503 (first issued 2018; current) · MA license 283061
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
- Santa Clara Valley Medical Center San Jose, CA
Medical groups
- Stanford Health Care (3,122 clinicians)
- County of Santa Clara (1,022 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
- 75
- Services billed
- 367
- Patients’ average age
- 72
| Service | Times | Patients |
|---|---|---|
| Imaging of retina | 137 | 90 |
| Established patient office or other outpatient visit, 30-39 minutes | 43 | 38 |
| Established patient complete exam of visual system | 37 | 31 |
| Photography of the retina | 31 | 24 |
| Established patient office or other outpatient visit, 40-54 minutes | 26 | 20 |
| Measurement of corneal curvature and depth of eye | 16 | 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.
Medicare prescriptions
| Drug | Prescriptions |
|---|---|
| Prednisolone Acetate Other prescribers in Stanford, CA | 15 |
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, 1 companies reported 1 payments worth $134 in total to this clinician.
| Apellis Pharmaceuticals, Inc. | $134 |
|---|
| Food and Beverage | $134 |
|---|
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.