Leigh Ann Mast, O.D.
Optometrist · Federal Way, WA
Leigh Ann Mast, O.D. is an optometrist with a practice address in Federal Way, Washington, and NPI 1689939456, issued on Jul 9, 2012. Check the license (Washington 60301603, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Leigh Ann Mast
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 60301603 WA
Self-reported in NPPES; status is on the state search - Practice location
- 2317 SW 320TH St, Federal Way, WA 98023
- Phone
- (253) 952-5547
- Enumerated
- Jul 9, 2012
- Record last updated
- Nov 19, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20150102000931); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest optometrist records → All 1,641 in Washington → Look up another NPI →
Also registered at 2317 SW 320TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Albert Kim, D.D.S.Endodontics1952423329
- Ming-Li Kuo, DDS MAEndodontics1366589251
Verify Leigh Ann Mast in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license 60301603Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average optometrist in 2024
29 Medicare Part D claims for 12 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 69% of claims.
Most prescribed
- Latanoprost11 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.
Industry payments in 2024: $17.45
1 payment: food and beverage; the largest payer was Oyster Point Pharma, Inc. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Leigh Ann Mast among 1,641 optometrist records in Washington
Leigh Ann Mast, O.D. is one of 1,641 optometrist records with a practice address in Washington. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 65% of them.
- NPI issued2012 · 65% of these records are older, 32% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2012 · median 2010 among the 949 with a school on file
- Record last updated2014 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
39 optometrist records list a practice address in Federal Way
They are 39 of the 2,770 NPPES records with a practice address in Federal Way, and 1,641 optometrist records in Washington.
All 1,641 in Washington → Every provider in Federal Way → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Jack Locascio, ODFederal Way, WA 980231922143635
- Ann Nguyen, O.D.Federal Way, WA 980231780098459
- David Souza, ODFederal Way, WA 980231811904964
- Mark Seaburg, ODEnumclaw, WA 980221720195910
- Alexander Shepherd, ODEnumclaw, WA 980221649644576
- Paul Shepherd, O.D.Enumclaw, WA 980221093918013
- Umema Ahmed, ODBothell, WA 980211326591280
- Douglas Barton, O.D.Bothell, WA 980211124044185
Common questions
What is Leigh Ann Mast, O.D.'s NPI number?
Leigh Ann Mast, O.D.'s National Provider Identifier (NPI) is 1689939456, issued on Jul 9, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Leigh Ann Mast, O.D. located?
The NPPES record lists a practice address at 2317 SW 320TH St, Federal Way, WA, 98023. Phone: (253) 952-5547. Providers update this record themselves, so call before visiting.
How can I verify Leigh Ann Mast, O.D.'s license?
NPPES lists Washington license number 60301603, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Leigh Ann Mast, O.D. prescribe under Medicare Part D?
In 2024, Leigh Ann Mast, O.D. had 29 Medicare Part D claims for 12 beneficiaries; the average among optometrist prescribers was 277. 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.