Doctor profile · Federal record

Dr. Erin Dunphy, OD

Optometrist (CMS: Optometry) · Janesville, WI

  • NPI 1639252851
  • Accepts Medicare
  • 29 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1010 N Washington St
Janesville, WI 535481561
(608) 741-6799

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
Wisconsin #2677
Medicaid
WI #38602700

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639252851. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,547
Distinct HCPCS
10
Medicare allowed
$91,721
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 428 425 $93
92133 Imaging of optic nerve 239 204 $21
92014 Established patient complete exam of visual system 190 190 $74
99213 Established patient office or other outpatient visit, 20-29 minutes 166 155 $63
92134 Imaging of retina 140 135 $24
92083 Exam of visual field with extended testing 119 114 $26
99203 New patient office or other outpatient visit, 30-44 minutes 89 89 $77
92012 Established patient problem focused exam of visual system 58 51 $49
99212 Established patient office or other outpatient visit, 10-19 minutes 58 51 $34
92004 New patient complete exam of visual system 38 38 $92

In context: peer comparison

Among 6 peers in Janesville Optometrist, average services per provider: 135. This provider delivers 11× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
576
Patients
142
Total drug cost
$149,655
Drug Type Claims Patients Total cost
Latanoprost Generic 360 82 $9,370
Restasis (Cyclosporine) Brand 51 18 $59,017
Brimonidine Tartrate Generic 42 11 $16,357
Cyclosporine Generic 29 16 $40,481
Olopatadine Hcl Generic 28 0 $569
Restasis Multidose (Cyclosporine) Brand 25 0 $20,213
Neomycin-Polymyxin-Dexameth (Neomycin/Polymyxin B/Dexametha) Brand 19 15 $308
Doxycycline Hyclate Generic 11 0 $311
Travoprost Generic 11 0 $3,029

Frequently asked questions

Auto-generated from federal data
What is Dr. Erin Dunphy's medical specialty?
Dr. Erin Dunphy practices Optometrist in Janesville, WI.
Where does Dr. Erin Dunphy practice?
Dr. Erin Dunphy practices at 1010 N Washington St, Janesville, WI 535481561. Office phone: 6087416799.
What is Dr. Erin Dunphy's NPI?
Dr. Erin Dunphy's National Provider Identifier (NPI) is 1639252851, issued by NPPES.
Does Dr. Erin Dunphy accept Medicare assignment?
Yes. Dr. Erin Dunphy accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Erin Dunphy commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Imaging of optic nerve (HCPCS 92133); Established patient complete exam of visual system (HCPCS 92014). Source: CMS Medicare Physician & Other Practitioners file.