Margaret Cheung, M.D.
NPI 1336217637 · Ophthalmology Physician · Honolulu, HI
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Cheung, M.D. is a Ophthalmology Physician provider in Honolulu, HI (NPI 1336217637).
Provider details
- NPI number
- 1336217637
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- MD 8888 (HI)
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
1,306 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 | 330 | $97 |
| Established Patient Complete Exam of Visual System92014 | 231 | $139 |
| Imaging of Retina92134 | 201 | $45 |
| Imaging of Optic Nerve92133 | 109 | $37 |
| Exam of the Internal Drainage System of Eye92020 | 106 | $30 |
| Exam of Visual Field With Extended Testing92083 | 105 | $72 |
| Photography of the Retina92250 |
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 |
|---|---|---|
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 389 | 243 |
| Brimonidine Tartrate | 381 | 120 |
| Latanoprost | 319 | 94 |
| Prednisolone Acetate | 282 | 189 |
| Ketorolac Tromethamine | 205 | 117 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 199 | 58 |
| Ofloxacin | 173 | 134 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,814 across 51 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
- 2006-12-04
- Last updated
- 2020-04-27
- Certified
- 2020-04-27
Frequently asked questions
- What is Margaret Cheung's NPI number?
- Margaret Cheung's National Provider Identifier (NPI) is 1336217637, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Cheung's specialty?
- Margaret Cheung is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Margaret Cheung located?
- Margaret Cheung's practice location on file with NPPES is 2228 Liliha St Ste 301, Honolulu, HI 96817-1653.
- What is Margaret Cheung's phone number?
- The practice phone number listed in the NPPES registry for Margaret Cheung is (808) 521-3535.
- Does Margaret Cheung accept Medicare?
- Margaret Cheung is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Cheung's NPI active?
- Yes — Margaret Cheung's NPI (1336217637) is active in the NPPES registry as of the last update on 2020-04-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.