Erin Dunphy, OD
NPI 1639252851 · Optometrist · Janesville, WI
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Erin Dunphy, OD is a Optometrist provider in Janesville, WI (NPI 1639252851).
Provider details
- NPI number
- 1639252851
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Female
- Sole proprietor
- No
- License
- 2677 (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 tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,576 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 439 | $93 |
| Imaging of Optic Nerve92133 | 236 | $21 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 219 | $64 |
| Imaging of Retina92134 | 186 | $24 |
| Established Patient Complete Exam of Visual System92014 | 135 | $74 |
| Exam of Visual Field With Extended Testing92083 | 114 | $26 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 360 | 84 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 35 | 30 |
| Cyclosporinebrand: Restasis | 34 | 14 |
| Cyclosporine | 27 | 13 |
| Erythromycin Basebrand: Erythromycin | 24 | 15 |
| Brimonidine Tartrate | 18 | — |
| Cyclosporinebrand: Restasis Multidose | 15 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-23
- Last updated
- 2007-07-08
Frequently asked questions
- What is Erin Dunphy's NPI number?
- Erin Dunphy's National Provider Identifier (NPI) is 1639252851, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Erin Dunphy's specialty?
- Erin Dunphy is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Erin Dunphy located?
- Erin Dunphy's practice location on file with NPPES is 1010 N Washington St, Janesville, WI 53548-1561.
- What is Erin Dunphy's phone number?
- The practice phone number listed in the NPPES registry for Erin Dunphy is (608) 741-6799.
- Does Erin Dunphy accept Medicare?
- Erin Dunphy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Erin Dunphy's NPI active?
- Yes — Erin Dunphy's NPI (1639252851) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.