Preston Mackenzie Luong, MD
Ophthalmology Physician · Olympia, WA
Preston Mackenzie Luong, MD is an ophthalmology physician with a practice address in Olympia, Washington, and NPI 1578026472, issued on Apr 9, 2019. Check the license (Washington MD61476421, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Preston Mackenzie Luong
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- MD61476421 WA
Self-reported in NPPES; status is on the state search - Practice location
- 700 Lilly RD NE, Olympia, WA 98506
- Phone
- (360) 923-7000
- Enumerated
- Apr 9, 2019
- Record last updated
- Oct 26, 2023
- Fax
- (360) 923-7089
- Medicare enrollment
- Enrolled (PECOS I20231005001259); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 522 in Washington → Look up another NPI →
Also registered at 700 Lilly RD NE
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Krystle Agtarap, PASurgical Physician Assistant1972907590
- Elizabeth Alberti, P.A.Physician Assistant1215087937
- Stephen Albrecht, M.D.Family Medicine Physician1538286026
- Amber An, DOGeriatric Medicine (Internal Medicine) Physician1538335443
Verify Preston Mackenzie Luong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD61476421Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average ophthalmology physician in 2024
503 Medicare Part D claims for 290 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 59% of claims.
Most prescribed
- Prednisolone Acetate260 claims
- Dorzolamide-Timolol38 claims
- Neomycin-Polymyxin-Dexameth30 claims
- Latanoprost27 claims
- Brimonidine Tartrate26 claims
- Cyclosporine18 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Kaiser Foundation Health Plan OF WashingtonOlympia, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Preston Mackenzie Luong among 522 ophthalmology physician records in Washington
Preston Mackenzie Luong, MD is one of 522 ophthalmology physician records with a practice address in Washington. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 94% of them.
- NPI issued2019 · 94% of these records are older, 3% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2019 · median 2003 among the 347 with a school on file
- Record last updated2023 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Washington
There are 522 ophthalmology physician records in Washington.
All 522 in Washington → Every provider in Olympia → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Rodger Bodoia, MDOlympia, WA 985061073676847
- Noel Castillo, MDOlympia, WA 985061316404999
- Victor Chin, M.D.Olympia, WA 985061174553010
- Malgorzata Peterson, MDOlympia, WA 985061750771176
- John SamplesOlympia, WA 985061598717860
- Leonard Seifter, MDOlympia, WA 985061407843279
- Grant Aaker, MDLacey, WA 985031770872988
- Jane Myung, MDLacey, WA 985031063616472
Common questions
What is Preston Mackenzie Luong, MD's NPI number?
Preston Mackenzie Luong, MD's National Provider Identifier (NPI) is 1578026472, issued on Apr 9, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Preston Mackenzie Luong, MD located?
The NPPES record lists a practice address at 700 Lilly RD NE, Olympia, WA, 98506. Phone: (360) 923-7000. Providers update this record themselves, so call before visiting.
How can I verify Preston Mackenzie Luong, MD's license?
NPPES lists Washington license number MD61476421, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Preston Mackenzie Luong, MD prescribe under Medicare Part D?
In 2024, Preston Mackenzie Luong, MD had 503 Medicare Part D claims for 290 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.