Preston Luong, MD
NPI 1578026472 · Ophthalmology Physician · Olympia, WA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Preston Luong, MD is a Ophthalmology Physician provider in Olympia, WA (NPI 1578026472).
Provider details
- NPI number
- 1578026472
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD61476421 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
7 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
39 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Imaging of Retina92134 | 39 | $40 |
Typical Medicare-allowed amounts for these services range $40–$40 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 260 | 207 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 38 | 15 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 30 | 25 |
| Latanoprost | 27 | 13 |
| Brimonidine Tartrate | 26 | — |
| Cyclosporine | 18 | — |
| Ofloxacin | 13 | 13 |
Practice location
Mailing address
Additional practice locations (1)
- 1959 Ne Pacific StSeattle, WA 98195-0001Phone: (206) 543-3605
Registry dates
- Enumerated
- 2019-04-09
- Last updated
- 2023-10-26
- Certified
- 2023-10-26
Frequently asked questions
- What is Preston Luong's NPI number?
- Preston Luong's National Provider Identifier (NPI) is 1578026472, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Preston Luong's specialty?
- Preston Luong is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Preston Luong located?
- Preston Luong's practice location on file with NPPES is 700 Lilly Rd Ne, Olympia, WA 98506-5115.
- What is Preston Luong's phone number?
- The practice phone number listed in the NPPES registry for Preston Luong is (360) 923-7000.
- Does Preston Luong accept Medicare?
- Preston Luong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Preston Luong's NPI active?
- Yes — Preston Luong's NPI (1578026472) is active in the NPPES registry as of the last update on 2023-10-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.