Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Walter Charles Atkenson Jr., O.D.
Optometrist in Oak Lawn, IL · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1326192543
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Registry record
Entity type Individual (Type 1)
Name Dr. Walter Charles Atkenson Jr.
Credential O.D.
Sex Male
Practice address 10550 S Cicero Ave, Oak Lawn, IL, 60453
Phone (708) 499-3911
Fax (708) 424-5318
Enumeration date Jan 23, 2007
Last updated in NPPES Apr 14, 2008
Taxonomy & licenses
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses.
About the OD credential
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does Walter Atkenson practice?
The practice location on file with NPPES is in Oak Lawn, IL. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Walter Atkenson?
The National Provider Identifier (NPI) for Walter Atkenson is 1326192543, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Christopher Suor Optometrist · Oak Lawn, IL NPI 1851308944 Jk Optical, Inc Optometrist · Oak Lawn, IL NPI 1417130543 Bessie Anthony Optometrist · Oak Lawn, IL NPI 1558538447 Ammar Jawdi Optometrist · Oak Lawn, IL NPI 1922457068 Myeyedr Optometry of Illinois, LLC Optometrist · Oak Lawn, IL NPI 1003361478 Dushika Ravendrarajah Optometrist · Oak Lawn, IL NPI 1588265177
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-04-14.