Andrew Nahas, OD
NPI 1427052927 · Optometrist · Viroqua, WI
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrew Nahas, OD is a Optometrist provider in Viroqua, WI (NPI 1427052927).
Provider details
- NPI number
- 1427052927
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Male
- Sole proprietor
- No
- License
- 2603 (WI)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
21 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
4,819 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 3,690 | $1 |
| Established Patient Complete Exam of Visual System92014 | 503 | $119 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 175 | $85 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 147 | $15 |
| Imaging of Retina92134 | 83 | $38 |
| Imaging of Optic Nerve92133 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 303 | 77 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 65 | 18 |
| Timolol Maleate | 65 | 18 |
| Cyclosporine | 42 | — |
| Fluorometholone | 39 | 29 |
| Cyclosporinebrand: Restasis | 38 | — |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 38 | 32 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$160 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-06-13
- Last updated
- 2016-02-01
Frequently asked questions
- What is Andrew Nahas's NPI number?
- Andrew Nahas's National Provider Identifier (NPI) is 1427052927, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrew Nahas's specialty?
- Andrew Nahas is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Andrew Nahas located?
- Andrew Nahas's practice location on file with NPPES is 407 S Main St, Viroqua, WI 54665-2100.
- What is Andrew Nahas's phone number?
- The practice phone number listed in the NPPES registry for Andrew Nahas is (608) 637-8281.
- Does Andrew Nahas accept Medicare?
- Andrew Nahas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrew Nahas's NPI active?
- Yes — Andrew Nahas's NPI (1427052927) is active in the NPPES registry as of the last update on 2016-02-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.