Doctor profile · Federal record

Dr. Mark Hamilton, OD

Optometrist (CMS: Optometry) · Seattle, WA

  • NPI 1841275369
  • Accepts Medicare
  • 43 yrs in practice
  • Male
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
999 3Rd Ave
Seattle, WA 981044019
(260) 682-2020
fax (206) 332-0700
Mailing address
701 N 182Nd St, Ste 101
Shoreline, WA 981334430

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
May 27, 2016
Year of graduation
1983 — 43 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
Washington #3374

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1841275369. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
43
Distinct HCPCS
2
Medicare allowed
$3,178
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 24 22 $100
92250 Photography of the retina 19 19 $41

In context: peer comparison

Among 36 peers in Seattle Optometrist, average services per provider: 59. This provider delivers 0.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$112
Transactions
3
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Alcon Vision LLC 3 $112.22

By nature of payment

Food and Beverage
$112

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Hamilton's medical specialty?
Dr. Mark Hamilton practices Optometrist in Seattle, WA.
Where does Dr. Mark Hamilton practice?
Dr. Mark Hamilton practices at 999 3Rd Ave, Seattle, WA 981044019. Office phone: 2606822020.
What is Dr. Mark Hamilton's NPI?
Dr. Mark Hamilton's National Provider Identifier (NPI) is 1841275369, issued by NPPES.
Does Dr. Mark Hamilton accept Medicare assignment?
Yes. Dr. Mark Hamilton accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Hamilton commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Photography of the retina (HCPCS 92250). Source: CMS Medicare Physician & Other Practitioners file.