Physician Profile
Unclaimed ProfileAbout WARREN
John E Warren, OD is a healthcare provider in Mt Pleasant, WI specializing in optometry. John trained at Indiana University - School of Optometry, graduating in 1992. John is also listed as specializing in optometrist. According to Medicare claims data, John cared for 694 Medicare patients across 2,629 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What is Dr. Warren's specialty?
Dr. Warren is an optometry in Mt Pleasant, WI. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “OPTOMETRY”.
NPI registry
Where can I find Dr. Warren?
Dr. Warren is listed at 1139 S SUNNYSLOPE DR STE 203, Mt Pleasant, WI 53406. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Warren?
The number on file is (262) 752-2020. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Warren's NPI number?
Dr. Warren's National Provider Identifier is 1609868124. 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
What is Dr. Warren's medical education?
Dr. Warren attended Indiana University - School of Optometry, graduating in 1992. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Warren been practicing?
Dr. Warren has 34 years experience. Calculated from a graduation year of 1992, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Warren known for?
According to Medicare billing data, Dr. Warren performs procedures including removal of cataract with insertion of prosthetic lens; provides treatments such as established patient complete exam of visual system and imaging of retina, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Warren confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Warren. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (262) 752-2020
- Email not available
Practice Locations
1139 S SUNNYSLOPE DR STE 203
Mt Pleasant, WI 53406
Procedures Most Often Billed to Medicare
2,629 services · 694 patients · 10 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
1,793 |
| Established patient complete exam of visual system | Treatment | 92014 |
268 |
| Imaging of retina | Treatment | 92134 |
257 |
| Established patient problem focused exam of visual system | Treatment | 92012 |
104 |
| Imaging of optic nerve | Treatment | 92133 |
60 |
| Exam of visual field with extended testing | Treatment | 92083 |
40 |
| New patient complete exam of visual system | Treatment | 92004 |
22 |
| Photography of content of eyes | Treatment | 92285 |
20 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
39 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
26 |
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.
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.
Trained at Indiana University - School of Optometry 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1992 at Indiana University - School of Optometry 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of cataract with insertion of prosthetic lens 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.