Kenneth Ross Macmahon, O.D.
Optometrist · Renton, WA
Kenneth Ross Macmahon, O.D. is an optometrist with a practice address in Renton, Washington, and NPI 1538282959, issued on Apr 9, 2007. Check the license (Washington 3754, as entered in NPPES) with the Washington board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Kenneth Ross Macmahon
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 3754 WA
Self-reported in NPPES; status is on the state search - Practice location
- 365 Renton Center Way SW, Renton, WA 98055
- Phone
- (425) 255-4630
- Enumerated
- Apr 9, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (425) 255-4688
- Entity
- Type 1 · individual
8 nearest optometrist records → All 1,641 in Washington → Look up another NPI →
Verify Kenneth Ross Macmahon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license 3754Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Kenneth Ross Macmahon among 1,641 optometrist records in Washington
Kenneth Ross Macmahon, 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 not. Its NPI, issued in 2007, is newer than 38% of them.
- NPI issued2007 · 38% of these records are older, 47% newer
- In a Medicare fileNo · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2007 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,641 in Washington → Every provider in Renton → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- James Abel, ODRenton, WA 980551255945390
- Tiffany Hollenbeck, ODRenton, WA 980551669477725
- Traci Lee, ODRenton, WA 980551649342262
- Wanzhi LiRenton, WA 980551326660713
- Saphol Ros, ODRenton, WA 980551679518161
- Alan Bernstein, O.DNewcastle, WA 980561669454732
- Benjamin Crowell, OD, FAAORenton, WA 980561316252190
- Nasim Javaheri, ODRenton, WA 980561629381405
Common questions
What is Kenneth Ross Macmahon, O.D.'s NPI number?
Kenneth Ross Macmahon, O.D.'s National Provider Identifier (NPI) is 1538282959, issued on Apr 9, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Kenneth Ross Macmahon, O.D. located?
The NPPES record lists a practice address at 365 Renton Center Way SW, Renton, WA, 98055. Phone: (425) 255-4630. Providers update this record themselves, so call before visiting.
How can I verify Kenneth Ross Macmahon, O.D.'s license?
NPPES lists Washington license number 3754, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity 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. 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.