Physician Profile
Unclaimed ProfileAbout MERTZ
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Areas of Expertise
Common questions
What does Dr. Mertz specialise in?
Dr. Mertz is an optometrist in Fitchburg, WI. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Optometrist”.
NPI registry
Where is Dr. Mertz located?
Dr. 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 Dr. Mertz's phone number?
The number on file is (608) 661-7200. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Mertz's NPI number?
Dr. 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 Dr. Mertz been practising?
Dr. 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 practised for longer than this.
NPI registry
What does Dr. Mertz do most often?
According to Medicare billing data, Dr. 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 Dr. Mertz confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Mertz. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (608) 661-7200
- Email not available
Practice Locations
3051 CAHILL MAIN
Fitchburg, WI 53711
Procedures Most Often Billed to Medicare
366 services · 357 patients · 7 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Established patient complete exam of visual system | Treatment | 92014 |
220 |
| New patient complete exam of visual system | Treatment | 92004 |
36 |
| Imaging of optic nerve | Treatment | 92133 |
24 |
| Imaging of retina | Treatment | 92134 |
16 |
| Exam of visual field with extended testing | Treatment | 92083 |
15 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
42 |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
13 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated 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.
Other optometrists in Fitchburg 2
Same specialty, same city.
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.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.