Maylon Hsu, M.D.
NPI 1336316769 · Ophthalmology Physician · Everett, WA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maylon Hsu, M.D. is a Ophthalmology Physician provider in Everett, WA (NPI 1336316769).
Provider details
- NPI number
- 1336316769
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- FH3181257 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 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
1,347 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 336 | $126 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 223 | $28 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 151 | $521 |
| Imaging of Retina92134 | 150 | $39 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 118 | $162 |
| Exam of Visual Field With Extended Testing92083 | 107 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 639 | 443 |
| Moxifloxacin Hclbrand: Moxifloxacin | 564 | 419 |
| Latanoprost | 374 | 115 |
| Cyclosporinebrand: Restasis | 202 | 83 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 119 | 43 |
| Timolol Maleate | 88 | 34 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 82 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$128 across 1 record (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
- 2008-05-14
- Last updated
- 2026-04-30
- Certified
- 2026-04-30
Frequently asked questions
- What is Maylon Hsu's NPI number?
- Maylon Hsu's National Provider Identifier (NPI) is 1336316769, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maylon Hsu's specialty?
- Maylon Hsu is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Maylon Hsu located?
- Maylon Hsu's practice location on file with NPPES is 3901 Hoyt Ave, Everett, WA 98201-4918.
- What is Maylon Hsu's phone number?
- The practice phone number listed in the NPPES registry for Maylon Hsu is (425) 339-5435.
- Does Maylon Hsu accept Medicare?
- Maylon Hsu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maylon Hsu's NPI active?
- Yes — Maylon Hsu's NPI (1336316769) is active in the NPPES registry as of the last update on 2026-04-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.