Ken C. Hwahn, O.D. P.S.
Optometrist · Tukwila, WA
Ken C. Hwahn, O.D. P.S. is an optometrist with a practice address in Tukwila, Washington, and NPI 1578688263, issued on Mar 20, 2007. Check the license (Washington OD00001720, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ken C. Hwahn
- Credential
- O.D. P.S.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- OD00001720 WA
Self-reported in NPPES; status is on the state search - Practice location
- 416 Southcenter Mall, Tukwila, WA 98188
- Phone
- (206) 431-8770
- Enumerated
- Mar 20, 2007
- Record last updated
- May 19, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (206) 243-2027
- Medicaid ID
- 2029392 WA
- Entity
- Type 1 · individual
8 nearest optometrist records → All 1,641 in Washington → Look up another NPI →
Verify Ken C. Hwahn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license OD00001720Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average optometrist in 2024
40 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.
Most prescribed
- Timolol Maleate12 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: $556.12
10 payments; by number, the most common kind was food and beverage; the largest payer was Bausch & Lomb Americas 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.
Ken C. Hwahn among 1,641 optometrist records in Washington
Ken C. Hwahn, O.D. P.S. 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 2007, is newer than 38% of them.
- NPI issued2007 · 38% of these records are older, 47% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2016 · 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).
15 optometrist records list a practice address in Tukwila
They are 15 of the 1,576 NPPES records with a practice address in Tukwila, and 1,641 optometrist records in Washington.
All 1,641 in Washington → Every provider in Tukwila → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Kory Botelho, O.D.Tukwila, WA 981881407302003
- Edgar Crockett, ODTukwila, WA 981881801955737
- Jessica Du, O.D.60565762Tukwila, WA 981881306233762
- Weiqun Guo, O.D.Tukwila, WA 981881952635971
- Patricia Jitodai, O.D.Tukwila, WA 981881295052116
- Kenny Louie, ODTukwila, WA 981881598891731
- Julie Nguyen, ODTukwila, WA 981881164940441
- Diana Pan, O.D.Tukwila, WA 981881972891810
Common questions
What is Ken C. Hwahn, O.D. P.S.'s NPI number?
Ken C. Hwahn, O.D. P.S.'s National Provider Identifier (NPI) is 1578688263, issued on Mar 20, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ken C. Hwahn, O.D. P.S. located?
The NPPES record lists a practice address at 416 Southcenter Mall, Tukwila, WA, 98188. Phone: (206) 431-8770. Providers update this record themselves, so call before visiting.
How can I verify Ken C. Hwahn, O.D. P.S.'s license?
NPPES lists Washington license number OD00001720, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Ken C. Hwahn, O.D. P.S. prescribe under Medicare Part D?
In 2024, Ken C. Hwahn, O.D. P.S. had 40 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.