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Edit this profileAt a glance
- 535 South Monroe Avenue, Green Bay, WI 54301
About Dr. Knuth
John G. Knuth, OD practices optometry in Green Bay, WI. John is a 1989 graduate of Illinois College of Optometry at Chicago. John is also listed as specializing in optometrist. Medicare claims data shows John provided 33 services to 33 patients. The services billed most often include established patient complete exam of visual system and established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more. The provider's National Provider Identifier (NPI) is 1396715173.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (920) 435-9511
- Email not available
Practice Locations
535 SOUTH MONROE AVENUE
Green Bay, WI 54301
Conditions Commonly Evaluated or Treated
Within Optometry generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Contact lens issues
Cornea conditions
Corneal issues
Eye conditions
Eye discomfort
Eye diseases
Eye infections
Eye inflammation
Eye injuries
Eye irritation
Eye surface issues
Eyelid conditions
Eyelid issues
Pediatric eye conditions
Pupil issues
Tear duct issues
Vision changes
- Blurry Vision
- Color Blindness
- Distorted Vision
- Double Vision
- Eye Floaters and Flashes
- Eye Strain
- Farsightedness
- Halos Around Lights
- Light Sensitivity
- Night Blindness
- Posterior vitreous detachment
- Tunnel Vision
- Visual Migraines
Procedures & services
Most searched procedures
Contact lens exams
- Bifocal or Multifocal Contact Lens Fitting
- Contact Lens Training
- Plano (Non-Prescription) Colored Contact Lens Exam
- Toric Contact Lens Fitting
Dry eye treatments
Examinations
- Comprehensive medical eye examination
- Diabetic Eye Exam
- DMV Vision Test
- Low Vision Assessment
- Pediatric Eye Exam
Eyelid care
Eyelid treatments
General exams
Glasses and eyewear
- Blue Light Glasses Consultation
- Eyeglass Frame Adjustment and Repair
- Prescription Sunglasses Consultation
- Prism Eyeglasses Fitting
Imaging & tests
- Color Vision Testing
- Corneal topography
- Coronary optical coherence tomography
- Eye-pressure measurement
- Pachymetry
- Retinal photography
- Visual Field Test
Imaging and scans
Minor procedures
Specialty lenses
Surgical evaluations
Tear duct procedures
Therapy
Urgent care
Vision correction
Procedures Most Often Billed to Medicare
33 services · 33 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient complete exam of visual system | Treatment | 92014 |
17 | Less often than most peers in Optometry |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
16 | Less often than most peers in Optometry |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other optometry specialists at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 1
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other optometry specialists in Green Bay 7
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Illinois College of Optometry at Chicago 8
Other providers in the same specialty who trained at the same institution.
Class of 1989 at Illinois College of Optometry at Chicago 8
Providers who graduated from the same medical school in the same year.
Also performs Established patient complete exam of visual system 8
Providers in WI who bill this service to Medicare most often.
Common questions
What does Dr. Knuth specialize in?
Dr. Knuth is an optometry in Green Bay, WI. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Dr. Knuth located?
Dr. Knuth is listed at 535 South Monroe Avenue, Green Bay, WI 54301. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Knuth's phone number?
The number on file is (920) 435-9511. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Knuth?
Dr. Knuth's National Provider Identifier is 1396715173. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Knuth go to medical school?
Dr. Knuth attended Illinois College of Optometry at Chicago, graduating in 1989. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Knuth have?
Dr. Knuth has 37 years experience. Calculated from a graduation year of 1989, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Knuth do most often?
According to Medicare billing data, Dr. Knuth provides treatments such as established patient complete exam of visual system, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Knuth's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Knuth. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.