Clement Cheng, MD
NPI 1629065826 · Ophthalmology Physician · Stanford, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Provider details
- NPI number
- 1629065826
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A89628 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
3,862 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Problem Focused Exam of Visual System92012 | 1,305 | $99 |
| Established Patient Complete Exam of Visual System92014 | 737 | $139 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 483 | $27 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 285 | $574 |
| Exam of Visual Field With Extended Testing92083 | 180 | $71 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 173 | $137 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 40 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 340 | 99 |
| Prednisolone Acetate | 228 | 112 |
| Cyclosporine | 166 | 56 |
| Cyclosporinebrand: Restasis | 163 | 63 |
| Ketorolac Tromethamine | 146 | 89 |
| Ofloxacin | 144 | 91 |
| Brimonidine Tartrate | 137 | 34 |
| Lifitegrastbrand: Xiidra | 126 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$445 across 4 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 1665 Dominican WaySuite 124Santa Cruz, CA 95065-1528Phone: (831) 475-7012Fax: (831) 475-1512
Registry dates
- Enumerated
- 2005-10-03
- Last updated
- 2024-04-04
- Certified
- 2024-04-04
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.