Doctor profile · Federal record

Dr. Andrew Sassaman, OD

Optometrist (CMS: Optometry) · Optometrist · Decorah, IA

  • NPI 1881659001
  • Accepts Medicare
  • 26 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1830 State Highway 9
Decorah, IA 521017301
(563) 382-2639
Mailing address
1836 South Ave
La Crosse, WI 546015429

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
April 24, 2015
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
152W00000X — NUCC code
State licenses (2)
Iowa #02177 · Minnesota #3132
Medicaid (2)
IA #0212225 · IA #0195255

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1881659001. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,354
Distinct HCPCS
9
Medicare allowed
$131,633
HCPCS Description Services Patients Avg allowed
92014 Established patient complete exam of visual system 537 536 $119
99214 Established patient office or other outpatient visit, 30-39 minutes 232 182 $120
92133 Imaging of optic nerve 137 101 $34
92134 Imaging of retina 131 105 $38
99213 Established patient office or other outpatient visit, 20-29 minutes 98 91 $85
92004 New patient complete exam of visual system 85 85 $142
92083 Exam of visual field with extended testing 64 60 $58
66984 Removal of cataract with insertion of prosthetic lens 59 33 $91
99212 Established patient office or other outpatient visit, 10-19 minutes 11 11 $53

In context: peer comparison

Among 1 peers in Decorah Optometrist, average services per provider: 150. This provider delivers 9.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
379
Patients
119
Total drug cost
$4,339
Drug Type Claims Patients Total cost
Latanoprost Generic 206 58 $2,008
Brimonidine Tartrate Generic 47 12 $490
Erythromycin (Erythromycin Base) Brand 45 31 $390
Timolol Maleate Generic 45 18 $773
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 25 0 $556
Ofloxacin Generic 11 0 $122

Frequently asked questions

Auto-generated from federal data
What is Dr. Andrew Sassaman's medical specialty?
Dr. Andrew Sassaman practices Optometrist in Decorah, IA.
Where does Dr. Andrew Sassaman practice?
Dr. Andrew Sassaman practices at 1830 State Highway 9, Decorah, IA 521017301. Office phone: 5633822639.
What is Dr. Andrew Sassaman's NPI?
Dr. Andrew Sassaman's National Provider Identifier (NPI) is 1881659001, issued by NPPES.
Does Dr. Andrew Sassaman accept Medicare assignment?
Yes. Dr. Andrew Sassaman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Andrew Sassaman commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Established patient office or other outpatient visit (HCPCS 99214); Imaging of optic nerve (HCPCS 92133). Source: CMS Medicare Physician & Other Practitioners file.