Doctor profile · Federal record

Dr. Randall Zieth, O.D.

Occupational Vision Optometrist (CMS: Optometry) · Optometrist · Corneal and Contact Management Optometrist · Low Vision Rehabilitation Optometrist · Pediatric Optometrist · Sports Vision Optometrist · Vision Therapy Optometrist · Ripon, WI

  • NPI 1396848107
  • Accepts Medicare
  • 50 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
113 Watson St
Ripon, WI 549711326
(920) 748-2676
fax (920) 748-5105

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
September 11, 2025
Year of graduation
1976 — 50 yrs since
Specialty taxonomy
152WX0102X — NUCC code
State license (1)
Wisconsin #1560-035
Medicaid
WI #38705800

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1396848107. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,295
Distinct HCPCS
8
Medicare allowed
$26,251
HCPCS Description Services Patients Avg allowed
66984 Removal of cataract with insertion of prosthetic lens 1,980 13 $1
99213 Established patient office or other outpatient visit, 20-29 minutes 120 118 $85
99212 Established patient office or other outpatient visit, 10-19 minutes 75 45 $53
99214 Established patient office or other outpatient visit, 30-39 minutes 42 42 $121
92134 Imaging of retina 23 23 $38
99203 New patient office or other outpatient visit, 30-44 minutes 21 21 $105
92083 Exam of visual field with extended testing 19 17 $60
92133 Imaging of optic nerve 15 14 $32

In context: peer comparison

Among 1 peers in Ripon Occupational Vision Optometrist, average services per provider: 286. This provider delivers 8.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$56
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
CooperVision INC. 2 $40.47
Alcon Vision LLC 1 $15.71

By nature of payment

Food and Beverage
$56

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
431
Patients
72
Total drug cost
$35,293
Drug Type Claims Patients Total cost
Latanoprost Generic 224 41 $3,245
Timolol Maleate Generic 68 18 $2,903
Lumigan (Bimatoprost) Brand 43 0 $13,157
Brimonidine Tartrate-Timolol (Brimonidine Tartrate/Timolol) Brand 17 0 $3,963
Tobramycin-Dexamethasone (Tobramycin/Dexamethasone) Brand 16 13 $974
Brimonidine Tartrate Generic 15 0 $188
Brinzolamide Generic 13 0 $3,379
Travoprost Generic 13 0 $4,954
Alphagan P (Brimonidine Tartrate) Brand 11 0 $2,048
Prednisolone Acetate Generic 11 0 $481

Frequently asked questions

Auto-generated from federal data
What is Dr. Randall Zieth's medical specialty?
Dr. Randall Zieth practices Occupational Vision Optometrist in Ripon, WI.
Where does Dr. Randall Zieth practice?
Dr. Randall Zieth practices at 113 Watson St, Ripon, WI 549711326. Office phone: 9207482676.
What is Dr. Randall Zieth's NPI?
Dr. Randall Zieth's National Provider Identifier (NPI) is 1396848107, issued by NPPES.
Does Dr. Randall Zieth accept Medicare assignment?
Yes. Dr. Randall Zieth accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Randall Zieth commonly perform?
Top Medicare-reported procedures in 2023: Removal of cataract with insertion of prosthetic lens (HCPCS 66984); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99212). Source: CMS Medicare Physician & Other Practitioners file.