Cynthia Chiu, M.D.
NPI 1306852629 · Ophthalmology Physician · Oakland, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cynthia Chiu, M.D. is a Ophthalmology Physician provider in Oakland, CA (NPI 1306852629).
Provider details
- NPI number
- 1306852629
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- A96867 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
3,337 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 Complete Exam of Visual System92014 | 722 | $157 |
| Established Patient Problem Focused Exam of Visual System92012 | 572 | $112 |
| Exam of the Internal Drainage System of Eye92020 | 401 | $33 |
| Exam of Visual Field With Extended Testing92083 | 279 | $81 |
| Imaging of Optic Nerve92133 | 256 | $44 |
| Photography of the Retina92250 | 254 | $43 |
| Imaging of Retina92134 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 428 | 144 |
| Prednisolone Acetate | 205 | 131 |
| Ketorolac Tromethamine | 199 | 130 |
| Moxifloxacin Hclbrand: Moxifloxacin | 188 | 126 |
| Timolol Maleate | 164 | 62 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 99 | 28 |
| Cyclosporine | 99 | 47 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,271 across 35 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
Registry dates
- Enumerated
- 2006-07-31
- Last updated
- 2016-01-26
Frequently asked questions
- What is Cynthia Chiu's NPI number?
- Cynthia Chiu's National Provider Identifier (NPI) is 1306852629, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cynthia Chiu's specialty?
- Cynthia Chiu is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Cynthia Chiu located?
- Cynthia Chiu's practice location on file with NPPES is 491 30th St, Oakland, CA 94609-3235.
- What is Cynthia Chiu's phone number?
- The practice phone number listed in the NPPES registry for Cynthia Chiu is (510) 836-2122.
- Does Cynthia Chiu accept Medicare?
- Cynthia Chiu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cynthia Chiu's NPI active?
- Yes — Cynthia Chiu's NPI (1306852629) is active in the NPPES registry as of the last update on 2016-01-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.