NPPES file of Aug 9, 2026

Sean Knaak, O.D.

Optometrist · Wichita, KS

Sean Knaak, O.D. is an optometrist with a practice address in Wichita, Kansas, and NPI 1811966815, issued on Mar 14, 2006. Check the license with the Kansas board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1811966815
Name
Sean Knaak
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
18003331 IN
Self-reported in NPPES; status is on the state search
Practice location
5500 E Kellogg Dr, Wichita, KS 67218
Phone
(316) 685-2221
Enumerated
Mar 14, 2006
Record last updated
Sep 21, 2007 (not updated in 19 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 5500 E Kellogg Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Christine AdamsRegistered Nurse1629776216
  2. Janelle AdamsRegistered Nurse1760180186
  3. Porsha Adkins, RNCase Management Registered Nurse1538858519
  4. Jennifer AgnewRegistered Nurse1912789793
  5. Bushra Ahmed, MDInternal Medicine Physician1932375516
  6. Nanette Aikens, RN, BSNAmbulatory Care Registered Nurse1154174134

Verify Sean Knaak in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Kansas board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Kansas license search

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137 optometrist records list a practice address in Wichita

They are 137 of the 10,360 NPPES records with a practice address in Wichita, and 715 optometrist records in Kansas. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other optometrist records in Kansas

  1. Miles Abbey, ODArkansas City, KS1073537569
  2. Mindy Abbey, ODDerby, KS1891890414
  3. Stewart Abbey, ODArkansas City, KS1316989072
  4. Wade Abbey, ODDerby, KS1437254059
  5. Mark Abrahams, O.D.McPherson, KS1497160832
  6. Scott Ackerman, O.D.Garden City, KS1770749160
  7. Suzanne Adkins, O.D.McPherson, KS1609122837
  8. Laura Aelvoet, ODWichita, KS1427542661
  9. Robin Agpoon, ODWichita, KS1023084878
  10. Brianna Albers, ODManhattan, KS1245924273

Common questions

What is Sean Knaak, O.D.'s NPI number?

Sean Knaak, O.D.'s National Provider Identifier (NPI) is 1811966815, issued on Mar 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Sean Knaak, O.D. located?

The NPPES record lists a practice address at 5500 E Kellogg Dr, Wichita, KS, 67218. Phone: (316) 685-2221. Providers update this record themselves, so call before visiting.

How can I verify Sean Knaak, O.D.'s license?

Search the Kansas 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.