Brian Chang, M.D.
NPI 1629335567 · Ophthalmology Physician · Mission Hills, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brian Chang, M.D. is a Ophthalmology Physician provider in Mission Hills, CA (NPI 1629335567).
Provider details
- NPI number
- 1629335567
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A128360 (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
14 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
734 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 Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 163 | $99 |
| Established Patient Complete Exam of Visual System92014 | 156 | $138 |
| Exam of Visual Field With Extended Testing92083 | 102 | $71 |
| Imaging of Optic Nerve92133 | 90 | $38 |
| Imaging of Retina92134 | 61 | $44 |
| New Patient Complete Exam of Visual System92004 | 57 | $162 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 815 | 273 |
| Prednisolone Acetate | 336 | 192 |
| Ketorolac Tromethamine | 301 | 161 |
| Brimonidine Tartrate | 286 | 103 |
| Moxifloxacin Hclbrand: Moxifloxacin | 266 | 159 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 155 | 52 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 151 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$41 across 2 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
- 2012-04-17
- Last updated
- 2024-01-25
- Certified
- 2024-01-25
Frequently asked questions
- What is Brian Chang's NPI number?
- Brian Chang's National Provider Identifier (NPI) is 1629335567, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Chang's specialty?
- Brian Chang is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Brian Chang located?
- Brian Chang's practice location on file with NPPES is 11333 Sepulveda Blvd, Mission Hills, CA 91345-1116.
- What is Brian Chang's phone number?
- The practice phone number listed in the NPPES registry for Brian Chang is (818) 365-9531.
- Does Brian Chang accept Medicare?
- Brian Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brian Chang's NPI active?
- Yes — Brian Chang's NPI (1629335567) is active in the NPPES registry as of the last update on 2024-01-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.