Lyon, Mark

Lyon, Mark was paid $3K by Medicaid between Mar 2018 and May 2023, across 4 billing codes. Its largest line is 99232, hospital visit by a doctor, follow-up day — 52% of everything it billed.

33Billing provider infoLYON, MARK
EVERGREEN PARK, IL 60805

33aNPI1831300748assigned 05/24/2007

33bProvider typeUrology Physician

28Total paid$3K

24GClaims125

24DCodes billed4

24AFirst – last monthMar 2018 – May 2023

Compared with peers

Next to other Urology Physician providers in Illinois

Rank by total paid#133 of 219

Median peer was paid$5K

This provider vs. median0.6×

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	27	$238.48
2021	55	$2K
2022	13	$95.24
2023	30	$1K

Box 24 · Service lines

What it billed for

Code	Service	Share	Claims	Bene. records	Paid
99232	Hospital visit by a doctor, follow-up daySubsequent hospital care, per day, moderate complexity	52%	60	41	$2K
99221		38%	25	25	$1K
99231	Subsequent hospital care, per day, straightforward or low complexity	7.4%	27	14	$238.48
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	2.9%	13	12	$95.24

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.