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Edit this profileAt a glance
- 3051 Cahill Main, Fitchburg, WI 53711
About Dr. Mertz
Robert J. Mertz, O.D. is an optometrist practicing in Fitchburg, WI. According to Medicare claims data, Robert cared for 357 Medicare patients across 366 services. The services billed most often include established patient complete exam of visual system, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and new patient complete exam of visual system. This provider record is associated with NPI 1174693246.
Factual summary compiled by Guide.md from public records; not written by this provider.
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
- (608) 661-7200
- Email not available
Practice Locations
3051 CAHILL MAIN
Fitchburg, WI 53711
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
366 services · 357 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient complete exam of visual system | Treatment | 92014 |
220 | More often than most peers in Optometrist |
| New patient complete exam of visual system | Treatment | 92004 |
36 | As often as other peers in Optometrist |
| Imaging of optic nerve | Treatment | 92133 |
24 | As often as other peers in Optometrist |
| Imaging of retina | Treatment | 92134 |
16 | Less often than most peers in Optometrist |
| Exam of visual field with extended testing | Treatment | 92083 |
15 | Less often than most peers in Optometrist |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
42 | As often as other peers in Optometrist |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
13 | Less often than most peers in Optometrist |
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 optometrists at this location 2
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 8 related providers in 1 group
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 Robert J. Mertz specialize in?
Robert J. Mertz is an optometrist in Fitchburg, WI. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Robert J. Mertz located?
Robert J. Mertz is listed at 3051 Cahill Main, Fitchburg, WI 53711. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Robert J. Mertz's phone number?
The number on file is (608) 661-7200. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Robert J. Mertz's NPI number?
Robert J. Mertz's National Provider Identifier is 1174693246. 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
How long has Robert J. Mertz been practicing?
Robert J. Mertz has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What does Robert J. Mertz do most often?
According to Medicare billing data, Robert J. Mertz provides treatments such as established patient complete exam of visual system and new 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
Has Robert J. Mertz confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Robert J. Mertz. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.