Dr. Jack Kotlarz, MD
What this data tells you about Dr. Kotlarz
Dr. Jack Kotlarz is an optician specialist in Rockford, IL, with 21 years of NPI registration. Based on federal Medicare data, Dr. Kotlarz performed 11,170 Medicare services in 2023. These records do not provide a deduplicated patient total.
Between the years covered by Open Payments, Dr. Kotlarz received a total of $2,022 from 17 pharmaceutical and/or device companies across 67 payment records. A record can group multiple payments. These transfers are publicly reported through CMS Open Payments. Disclosure alone does not establish their effect on care. A reliable breakdown by payment category is not available in this snapshot. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Kotlarz is Very High — reflecting how much public federal data is available about this provider. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
Medicare Practice Summary — 2023
Medicare Utilization ↗Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| Allergy skin test A diagnostic test performed to identify specific allergies by applying or introducing allergenic extracts to the body. The procedure measures the patient's immune response to various potential allergens. |
4,584 | $3 | $10 |
| Skin allergy test A test where small amounts of potential allergens are injected into the skin to check for allergic reactions. |
1,659 | $6 | $25 |
| Office visit, established patient (20-29 min) An office visit for an existing patient lasting between 20 and 29 minutes. The visit involves medical evaluation and management of the patient's condition. |
1,593 | $61 | $160 |
| Office visit, established patient (30-39 min) A follow-up office visit for an existing patient lasting between 30 and 39 minutes. The visit involves medical evaluation and management of the patient's condition. |
1,046 | $92 | $230 |
| Ear wax removal A procedure to remove impacted ear wax from the ear canal. |
763 | $34 | $105 |
| Allergy injection therapy, multiple injections A professional service involving the administration of multiple allergen injections. |
525 | $8 | $30 |
| New patient office visit (45-59 min) An initial office visit for a new patient lasting between 45 and 59 minutes. This code covers the total time spent by the physician or qualified healthcare professional on the date of the encounter. |
226 | $116 | $350 |
| New patient office visit (30-44 min) An initial office visit for a new patient lasting between 30 and 44 minutes. This code is used when the total time spent on the date of the encounter falls within this range. |
205 | $74 | $230 |
| Flexible laryngoscopy A diagnostic exam of the voice box using a flexible endoscope to visualize the larynx. |
132 | $91 | $260 |
| Impacted earwax removal by physician Removal of impacted earwax from one or both ears by a physician on the same day as audiologic testing. |
111 | $38 | $105 |
| Nasal endoscopy A diagnostic procedure that uses a thin, lighted tube to examine the inside of the nasal passages. |
106 | $131 | $410 |
| Middle ear function test A diagnostic test used to evaluate how well the middle ear is functioning. |
48 | $11 | $45 |
| Nasal growth removal or destruction This procedure involves the removal or destruction of a growth located in the nose using an approach through the nostrils. |
32 | $547 | $1,900 |
| Endoscopic sinus dilation A procedure that widens the nasal sinuses using an endoscope to improve drainage and airflow. |
29 | $1,596 | $5,709 |
| Destruction of nasal surface soft tissue A procedure to remove or destroy abnormal tissue on the surface lining of the nasal passages. |
27 | $111 | $600 |
| Simple control of nosebleed A procedure to stop a nosebleed using basic methods. It involves direct pressure or simple packing to control bleeding from the nasal passages. |
26 | $90 | $316 |
| Other procedure on nose A surgical or medical intervention performed on the nose that does not fall under other specific categories. |
24 | $1,655 | $3,300 |
| Endoscopic dilation of frontal sinus A procedure to widen the frontal sinus opening using an endoscope. This helps improve drainage and access to the sinus cavity. |
12 | $1,606 | $6,250 |
| Removal of nasal air passage under lining tissue A surgical procedure to remove tissue from the nasal air passage located beneath the lining. |
11 | $98 | $1,575 |
| Reshaping of nasal cartilage | 11 | $449 | $1,977 |
Industry Payment Transparency
Open Payments through 2024 ↗Payment categories are unavailable while the source breakdown is being rebuilt. Company and year totals do not identify how much belongs to each category.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2024)
All-time payments by company (2018-2024) ›
Associated products mentioned in payments ›
Geographic Context
2.1 mi
Data Sources
| Provider Registry | ✓ NPPES | NPPES snapshot; verify current record |
| Medicare Enrollment | ✓ PECOS | PECOS snapshot |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2024 |
| Disciplinary History | — Not included | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This reflects how much public data is available about a provider. How we calculate this →
Summary
Dr. Kotlarz is a clinical cardiology specialist, with above-average Medicare volume (top 5% in IL), with 21 years of NPI registration.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
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This page combines public CMS records with calculated summaries and explanatory procedure labels. These transformations are not verbatim federal records. Sources: NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. Data Coverage reflects data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
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