John Wong, MD
NPI 1427117001 · Ophthalmology Physician · Woodland Hills, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Wong, MD is a Ophthalmology Physician provider in Woodland Hills, CA (NPI 1427117001).
Provider details
- NPI number
- 1427117001
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G39213 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 183 | 74 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 127 | 42 |
| Brimonidine Tartrate | 86 | 48 |
| Cyclosporine | 60 | 20 |
| Timolol Maleate | 42 | 16 |
| Prednisolone Acetate | 25 | 19 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 22 | 20 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$198 across 3 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
- 2006-12-08
- Last updated
- 2021-12-01
Frequently asked questions
- What is John Wong's NPI number?
- John Wong's National Provider Identifier (NPI) is 1427117001, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Wong's specialty?
- John Wong is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is John Wong located?
- John Wong's practice location on file with NPPES is 5601 De Soto Ave, Woodland Hills, CA 91367-6701.
- What is John Wong's phone number?
- The practice phone number listed in the NPPES registry for John Wong is (818) 719-2000.
- Does John Wong accept Medicare?
- John Wong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Wong's NPI active?
- Yes — John Wong's NPI (1427117001) is active in the NPPES registry as of the last update on 2021-12-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.