Korthals, Michael
Korthals, Michael was paid $526K by Medicaid between Jan 2018 and Dec 2024, across 11 billing codes. Its largest line is 92014, Ophthalmological services: medical examination and evaluation, comprehensive, established patient — 40% of everything it billed.
33Billing provider infoKORTHALS, MICHAEL
MASON CITY, IA 50401
MASON CITY, IA 50401
33aNPI1407880883assigned 07/10/2006
33bProvider typeOptometrist
28Total paid$526K
24GClaims17,880
24DCodes billed11
24AFirst – last monthJan 2018 – Dec 2024
Compared with peers
Next to other Optometrist providers in Iowa
Rank by total paid#12 of 521
Median peer was paid$28K
This provider vs. median19×
Peers share this provider's primary NPPES type and state. Size alone says nothing about billing quality: a big agency or a hospital system is expected to sit far above the median.
Box 24A · Dates of service
Paid by month
Paid that monthNov–Dec 2024: claims still arriving when the file was cut, so these months run low for every provider
By year, as a table
| Year | Claims | Paid | |
|---|---|---|---|
| 2018 | 3,523 | $100K | |
| 2019 | 3,463 | $100K | |
| 2020 | 2,258 | $72K | |
| 2021 | 2,616 | $80K | |
| 2022 | 2,686 | $79K | |
| 2023 | 1,993 | $59K | |
| 2024incomplete | 1,341 | $36K |
Box 24 · Service lines
What it billed for
| Code | Service | Share | Claims | Bene. records | Paid |
|---|---|---|---|---|---|
| 92014 | Ophthalmological services: medical examination and evaluation, comprehensive, established patient | 40% | 3,455 | 3,336 | $210K |
| 92004 | Ophthalmological services: medical examination and evaluation, comprehensive, new patient | 30% | 1,782 | 1,749 | $156K |
| V2020 | Frames, purchases | 15% | 3,543 | 3,184 | $79K |
| V2100 | Sphere, single vision, plano to plus or minus 4.00, per lens | 12% | 2,785 | 2,449 | $64K |
| 92250 | 1.6% | 214 | 199 | $8K | |
| V2200 | Sphere, bifocal, plano to plus or minus 4.00d, per lens | <1% | 121 | 107 | $4K |
| 92012 | Ophthalmological services: medical examination and evaluation, intermediate, established patient | <1% | 86 | 67 | $3K |
| 99214 | Doctor's office visit, returning patient (more involved)Office or other outpatient visit for the evaluation and management of an established patient, moderate complexity | <1% | 18 | 12 | $801.60 |
| V2756 | Eye glass case | <1% | 490 | 463 | $483.84 |
| 92015 | Determination of refractive state | <1% | 5,372 | 5,212 | $15.05 |
| 92285 | 0% | 14 | 13 | $0.00 |
Claims and beneficiary counts add up across code × month rows, so one patient seen every month counts many times. Rows with fewer than 12 claims are suppressed by HHS, so small lines can be missing.