Mark J. Hamilton, OD
Optometrist · Seattle, WA
Mark J. Hamilton, OD is an optometrist with a practice address in Seattle, Washington, and NPI 1841275369, issued on Dec 7, 2005. Check the license (Washington 3374, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark J. Hamilton
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 3374 WA
Self-reported in NPPES; status is on the state search - Practice location
- 999 3RD Ave, Seattle, WA 98104
- Phone
- (260) 682-2020
- Enumerated
- Dec 7, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (206) 332-0700
- Medicare enrollment
- Enrolled (PECOS I20050926001220); accepts Medicare assignment
- Medical or professional school
- Indiana University - School Of Optometry, 1983
- Entity
- Type 1 · individual
8 nearest optometrist records → All 1,641 in Washington → Look up another NPI →
Also registered at 999 3RD Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mark J. Hamilton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license 3374Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average optometrist in 2024
17 Medicare Part D claims, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D.
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: $112.22
3 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. 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.
Bills Medicare through 2 group practices
- Highland Vision Clinic P SShoreline, WA
- Port Orchard Eye Associates, Inc. PSPort Orchard, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark J. Hamilton among 1,641 optometrist records in Washington
Mark J. Hamilton, OD 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1983 · median 2010 among the 949 with a school on file
- Record last updated2026 · 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).
Optometrist providers in Washington
There are 1,641 optometrist records in Washington.
All 1,641 in Washington → Every provider in Seattle → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Claire Angel, D.O.Seattle, WA 981041073552626
- Gregory Chin, O.D.Seattle, WA 981041699763227
- Lund Chin, O.D.Seattle, WA 981041205824901
- Jasmin Dhesi, ODSeattle, WA 981041679566103
- Trinh Hua, O.D.Seattle, WA 981041215062963
- Marie Kernie, ODSeattle, WA 981041487643995
- John Kikuchi, O.D.Seattle, WA 981041437143922
- Holly Lebar, O.D.Seattle, WA 981041891993523
Common questions
What is Mark J. Hamilton, OD's NPI number?
Mark J. Hamilton, OD's National Provider Identifier (NPI) is 1841275369, issued on Dec 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark J. Hamilton, OD located?
The NPPES record lists a practice address at 999 3RD Ave, Seattle, WA, 98104. Phone: (260) 682-2020. Providers update this record themselves, so call before visiting.
How can I verify Mark J. Hamilton, OD's license?
NPPES lists Washington license number 3374, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Mark J. Hamilton, OD prescribe under Medicare Part D?
In 2024, Mark J. Hamilton, OD had 17 Medicare Part D claims; 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.