Kollan Parker Arritt, O.D.
Optometrist · Hermiston, OR
Kollan Parker Arritt, O.D. is an optometrist with a practice address in Hermiston, Oregon, and NPI 1073711222, issued on Jul 10, 2007. Check the license (Oregon ATI-3349, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kollan Parker Arritt
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- ATI-3349 OR
Self-reported in NPPES; status is on the state search - Practice location
- 1160 W Elm Ave, Hermiston, OR 97838
- Phone
- (541) 567-6623
- Enumerated
- Jul 10, 2007
- Record last updated
- Apr 30, 2026
- Medicare enrollment
- Enrolled (PECOS I20100903000828); accepts Medicare assignment
- Medical or professional school
- Pacific University - College Of Optometry, 2007
- Entity
- Type 1 · individual
Also registered at 1160 W Elm Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Becky Collier, O.D.Optometrist1073631230
- Delwin Flint, O.D.Optometrist1356460075
- Stephanie UggenOptometrist1215562160
Verify Kollan Parker Arritt in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license ATI-3349Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9% fewer Medicare Part D claims than the average optometrist in 2024
253 Medicare Part D claims for 93 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 34% of claims.
Most prescribed
- Latanoprost82 claims
- Tobramycin-Dexamethasone25 claims
- Timolol Maleate18 claims
- Brimonidine Tartrate16 claims
- Cyclosporine14 claims
- Travoprost13 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.
The MIPS final score for 2023 (Medicare payment program): 30 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- David A Drotzmann OD PCHermiston, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Optometrist providers in Oregon
There are 944 optometrist records in Oregon.
Other optometrist records in Oregon
- James Adamek, ODEagle Point, OR1568660199
- Brittany Adams, O.D.Albany, OR1265732978
- Makayla Adams, ODMyrtle Creek, OR1790461911
- Shelly Adams, O.D.White City, OR1396908075
- Samuel Adelman, O.D.Happy Valley, OR1043545122
- Brett Agost, O.D.Gresham, OR1326030883
- Dane AgostGresham, OR1376461657
- Andrew Aker, O.D.Portland, OR1154520906
- Joseph An, O.D.Gresham, OR1235271511
- Anna Anderson, O.D.Portland, OR1376707984
Common questions
What is Kollan Parker Arritt, O.D.'s NPI number?
Kollan Parker Arritt, O.D.'s National Provider Identifier (NPI) is 1073711222, issued on Jul 10, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Kollan Parker Arritt, O.D. located?
The NPPES record lists a practice address at 1160 W Elm Ave, Hermiston, OR, 97838. Phone: (541) 567-6623. Providers update this record themselves, so call before visiting.
How can I verify Kollan Parker Arritt, O.D.'s license?
NPPES lists Oregon license number ATI-3349, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.
How much does Kollan Parker Arritt, O.D. prescribe under Medicare Part D?
In 2024, Kollan Parker Arritt, O.D. had 253 Medicare Part D claims for 93 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.
What is Kollan Parker Arritt, O.D.'s MIPS final score?
The 2023 MIPS final score is 30 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.