Doctor profile · Federal record

Dr. John Knuth, OD

Optometrist (CMS: Optometry) · Green Bay, WI

  • NPI 1396715173
  • Accepts Medicare
  • 37 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
535 South Monroe Avenue
Green Bay, WI 543014096
(920) 435-9511
fax (920) 435-9383

Credentials & registration

NPPES · NUCC
NPI registered
January 2006 — 20 yrs on file
Profile last updated
March 7, 2023
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
Wisconsin #2308
Medicaid
WI #38581000

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1396715173. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
15
Distinct HCPCS
1
Medicare allowed
$787
HCPCS Description Services Patients Avg allowed
99212 Established patient office or other outpatient visit, 10-19 minutes 15 12 $52

In context: peer comparison

Among 10 peers in Green Bay Optometrist, average services per provider: 49. This provider delivers 0.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
105
Patients
14
Total drug cost
$28,252
Drug Type Claims Patients Total cost
Latanoprost Generic 63 14 $1,420
Restasis (Cyclosporine) Brand 26 0 $26,586
Timolol Maleate Generic 16 0 $245

Frequently asked questions

Auto-generated from federal data
What is Dr. John Knuth's medical specialty?
Dr. John Knuth practices Optometrist in Green Bay, WI.
Where does Dr. John Knuth practice?
Dr. John Knuth practices at 535 South Monroe Avenue, Green Bay, WI 543014096. Office phone: 9204359511.
What is Dr. John Knuth's NPI?
Dr. John Knuth's National Provider Identifier (NPI) is 1396715173, issued by NPPES.
Does Dr. John Knuth accept Medicare assignment?
Yes. Dr. John Knuth accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Knuth commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99212). Source: CMS Medicare Physician & Other Practitioners file.