Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Walter H. Egenmaier, O.D.
Optometrist in Evansville, IN · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1609878990
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Registry record
Entity type Individual (Type 1)
Name Dr. Walter H. Egenmaier
Credential O.D.
Sex Male
Practice address 101 Nw 1st St, Suite 112, Evansville, IN, 47708
Phone (812) 426-2020
Fax (812) 426-2828
Enumeration date Jun 1, 2005
Last updated in NPPES Sep 3, 2011
Taxonomy & licenses
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses.
About the OD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 4544563 | Other | IN | AETNA |
| 87793 | Other | IN | ANTHEM |
| 100377200 | Medicaid | IN | - |
| 839180 | Other | IN | MEDICARE |
| 410021835 | Other | IN | PALMENTO GBA |
| 77340404 | Medicaid | KY | - |
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
What is the NPI number for Walter Egenmaier?
The National Provider Identifier (NPI) for Walter Egenmaier is 1609878990, a Type 1 (individual) record in the CMS NPPES registry.
Where does Walter Egenmaier practice?
The practice location on file with NPPES is in Evansville, IN. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Matthew Boyer Ophthalmology Physician · Evansville, IN NPI 1346245453 Eyecare Consultants Surgery Center, LLC Ambulatory Surgical Clinic/Center · Evansville, IN NPI 1841270675 Eyecare Consultants LLP Ophthalmology Physician · Evansville, IN NPI 1922061688 Jessica Wood Occupational Therapist · Evansville, IN NPI 1770879983 Ryan Wood Physical Therapist · Evansville, IN NPI 1134417249 Forefront Therapy LLC Physical Therapist · Evansville, IN NPI 1295198299 Ariele Brown Behavior Analyst · Evansville, IN NPI 1508452087
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-09-03.