Dr. Eric H. Chan, M.D.
Ophthalmology (Glaucoma Specialist (Ophthalmology) Physician)
7117 Brockton Ave
Riverside, CA 92506
Who else practices at this address →
Riverside County includes primary care (1% of residents) and mental health (5% of residents) shortage areas. About shortage areas
- Medicare participating
At a glance
- Medical school
- University of California, Geffen School of Medicine (2015)
- Years since graduation
- 11
- In the NPI registry since
- 2015
- Medicare patients seen, 2024
- 342
Licensed in California since 2019, 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
- 2015Medical school: University of California, Geffen School of Medicine
- 2015Registered 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
-
Glaucoma Specialist (Ophthalmology) Physician primary
CA license A160341 (first issued 2019; current)
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- Riverside University Health System-Medical Center Moreno Valley, CA
Medical groups
- Riverside Medical Clinic Inc (173 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
- 342
- Services billed
- 1,047
- Patients’ average age
- 76
| Service | Times | Patients |
|---|---|---|
| Established patient complete exam of visual system | 204 | 191 |
| Established patient problem focused exam of visual system | 152 | 116 |
| Imaging of optic nerve | 97 | 91 |
| Exam of visual field with extended testing | 96 | 74 |
| Removal of cataract with insertion of prosthetic lens | 47 | 32 |
| New patient complete exam of visual system | 47 | 47 |
| Established patient office or other outpatient visit, 20-29 minutes | 38 | 36 |
| Measurement of corneal curvature and depth of eye | 37 | 37 |
| Exam of the internal drainage system of eye | 36 | 36 |
| Imaging of retina | 35 | 31 |
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 |
|---|---|
| Latanoprost Other prescribers in Riverside, CA | 1,541 |
| Prednisolone Acetate Other prescribers in Riverside, CA | 586 |
| Timolol Maleate Other prescribers in Riverside, CA | 537 |
| Brimonidine Tartrate Other prescribers in Riverside, CA | 457 |
| Ofloxacin Other prescribers in Riverside, CA | 448 |
| Dorzolamide-Timolol (dorzolamide hcl/timolol maleat) Other prescribers in Riverside, CA | 397 |
| Diclofenac Sodium Other prescribers in Riverside, CA | 390 |
| Erythromycin (erythromycin base) Other prescribers in Riverside, CA | 128 |
| Azelastine Hcl Other prescribers in Riverside, CA | 127 |
| Dorzolamide Hcl Other prescribers in Riverside, CA | 97 |
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, 5 companies reported 7 payments worth $117 in total to this clinician.
| Sight Sciences, Inc. | $48.24 |
|---|---|
| Alcon Vision LLC | $19.59 |
| New World Medical,inc. | $18.01 |
| Bausch & Lomb Americas Inc. | $17.38 |
| AbbVie Inc. | $13.57 |
| Food and Beverage | $117 |
|---|
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.