Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Andrew W Nahas, OD
Optometrist in Viroqua, WI · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1427052927
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Registry record
Entity type Individual (Type 1)
Name Andrew W Nahas
Credential OD
Sex Male
Practice address 407 S Main St, Viroqua, WI, 54665
Phone (608) 637-8281
Enumeration date Jun 13, 2005
Last updated in NPPES Feb 1, 2016
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 |
|---|---|---|---|
| 38604700 | Medicaid | WI | - |
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 Andrew Nahas practice?
The practice location on file with NPPES is in Viroqua, WI. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Andrew Nahas?
The National Provider Identifier (NPI) for Andrew Nahas is 1427052927, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Brian Woody Family Medicine Physician · Viroqua, WI NPI 1174527832 Randy Mickelson Physician Assistant · Viroqua, WI NPI 1255335725 Susanne Mlsna Nurse Practitioner · Viroqua, WI NPI 1285638767 Kim Dowat Advanced Practice Midwife · Viroqua, WI NPI 1043215247 James Feltes Family Medicine Physician · Viroqua, WI NPI 1750386538 Vernon Memorial Healthcare, Inc Rural Health Clinic/Center · Viroqua, WI NPI 1144226507 Jeffrey Lawrence Orthopaedic Surgery Physician · Viroqua, WI NPI 1144226127 Rachel Bassett Family Medicine Physician · Viroqua, WI NPI 1649247222
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-02-01.