David Bui, MD
NPI 1104977636 · Ophthalmology Physician · Alameda, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Bui, MD is a Ophthalmology Physician provider in Alameda, CA (NPI 1104977636).
Provider details
- NPI number
- 1104977636
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A63926 (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
4,098 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 | 998 | $167 |
| Exam of the Internal Drainage System of Eye92020 | 716 | $36 |
| Established Patient Problem Focused Exam of Visual System92012 | 681 | $120 |
| Photography of the Retina92250 | 538 | $49 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 248 | $31 |
| Imaging of Optic Nerve92133 | 206 | $47 |
| Removal of Cataract With Insertion of Prosthetic Lens |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 813 | 227 |
| Azelastine Hcl | 568 | 154 |
| Prednisolone Acetate | 358 | 235 |
| Cyclosporine | 302 | 113 |
| Erythromycin Basebrand: Erythromycin | 203 | 85 |
| Timolol Maleate | 194 | 54 |
| Ketorolac Tromethamine | 186 | 145 |
| Bimatoprostbrand: Lumigan |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$318 across 14 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
- 2007-01-12
- Last updated
- 2012-08-13
Frequently asked questions
- What is David Bui's NPI number?
- David Bui's National Provider Identifier (NPI) is 1104977636, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Bui's specialty?
- David Bui is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is David Bui located?
- David Bui's practice location on file with NPPES is 2241 Central Ave, Alameda, CA 94501-4460.
- What is David Bui's phone number?
- The practice phone number listed in the NPPES registry for David Bui is (510) 522-0377.
- Does David Bui accept Medicare?
- David Bui is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Bui's NPI active?
- Yes — David Bui's NPI (1104977636) is active in the NPPES registry as of the last update on 2012-08-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.