Doctor profile · Federal record

Dr. Nathan Schlotthauer, OD

Optometrist (CMS: Optometry) · Optometrist · Janesville, WI

  • NPI 1790064947
  • Accepts Medicare
  • 15 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3200 E Racine St
Janesville, WI 535462343
(608) 371-8000
fax (608) 371-8938

Credentials & registration

NPPES · NUCC
NPI registered
August 2011 — 15 yrs on file
Profile last updated
December 8, 2020
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
152W00000X — NUCC code
State licenses (2)
Wisconsin #3437-35 · Michigan #4901004654
Medicaid
WI #1790064947

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1790064947. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,558
Distinct HCPCS
9
Medicare allowed
$73,167
HCPCS Description Services Patients Avg allowed
66984 Removal of cataract with insertion of prosthetic lens 1,890 15 $1
92014 Established patient complete exam of visual system 405 405 $122
92012 Established patient problem focused exam of visual system 104 87 $87
92004 New patient complete exam of visual system 42 42 $142
92133 Imaging of optic nerve 42 42 $34
99213 Established patient office or other outpatient visit, 20-29 minutes 25 25 $83
92134 Imaging of retina 21 18 $39
92083 Exam of visual field with extended testing 18 18 $60
99203 New patient office or other outpatient visit, 30-44 minutes 11 11 $106

In context: peer comparison

Among 6 peers in Janesville Optometrist, average services per provider: 135. This provider delivers 19× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
378
Patients
83
Total drug cost
$18,369
Drug Type Claims Patients Total cost
Latanoprost Generic 207 57 $5,129
Timolol Maleate Generic 38 13 $498
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 33 0 $1,541
Brimonidine Tartrate Generic 25 0 $1,648
Dorzolamide Hcl Generic 19 0 $671
Travoprost Generic 19 0 $2,806
Neomycin-Polymyxin-Dexameth (Neomycin/Polymyxin B/Dexametha) Brand 14 13 $231
Lumigan (Bimatoprost) Brand 12 0 $5,089
Fluorometholone Generic 11 0 $757

Frequently asked questions

Auto-generated from federal data
What is Dr. Nathan Schlotthauer's medical specialty?
Dr. Nathan Schlotthauer practices Optometrist in Janesville, WI.
Where does Dr. Nathan Schlotthauer practice?
Dr. Nathan Schlotthauer practices at 3200 E Racine St, Janesville, WI 535462343. Office phone: 6083718000.
What is Dr. Nathan Schlotthauer's NPI?
Dr. Nathan Schlotthauer's National Provider Identifier (NPI) is 1790064947, issued by NPPES.
Does Dr. Nathan Schlotthauer accept Medicare assignment?
Yes. Dr. Nathan Schlotthauer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nathan Schlotthauer commonly perform?
Top Medicare-reported procedures in 2023: Removal of cataract with insertion of prosthetic lens (HCPCS 66984); Established patient complete exam of visual system (HCPCS 92014); Established patient problem focused exam of visual system (HCPCS 92012). Source: CMS Medicare Physician & Other Practitioners file.