Diab, Mazen

Diab, Mazen was paid $88K by Medicaid between Jan 2018 and Aug 2023, across 6 billing codes. Its largest line is 99233, hospital visit by a doctor, follow-up day (complex) — 84% of everything it billed.

33Billing provider infoDIAB, MAZEN
TINLEY PARK, IL 60487

33aNPI1134436819assigned 09/02/2010

33bProvider typeMedical Toxicology (Emergency Medicine) Physician

28Total paid$88K

24GClaims2,926

24DCodes billed6

24AFirst – last monthJan 2018 – Aug 2023

Compared with peers

Next to other Medical Toxicology (Emergency Medicine) Physician providers in Illinois

Rank by total paid#3 of 5

Median peer was paid$88K

This provider vs. median1.0×

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	159	$2K
2019	339	$6K
2020	1,751	$44K
2021	656	$35K
2023	21	$1K

Box 24 · Service lines

What it billed for

Code	Service	Share	Claims	Bene. records	Paid
99233	Hospital visit by a doctor, follow-up day (complex)Prolong inpt eval add15 m	84%	2,254	614	$74K
90935	Hemodialysis procedure with single evaluation by a physician	8.0%	312	113	$7K
99232	Hospital visit by a doctor, follow-up daySubsequent hospital care, per day, moderate complexity	2.8%	226	114	$2K
99255		2.5%	30	25	$2K
99291	Critical care, evaluation and management of the critically ill patient, first 30-74 minutes	1.4%	28	12	$1K
99223	Prolong inpt eval add15 m	1.3%	76	68	$1K

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.