Mahieu, Mary

Mahieu, Mary was paid $18K by Medicaid between Mar 2018 and Jul 2023, across 4 billing codes. Its largest line is 99214, doctor's office visit, returning patient (more involved) — 51% of everything it billed.

33Billing provider infoMAHIEU, MARY
CHICAGO, IL 60611

33aNPI1811218381assigned 06/18/2010

33bProvider typeRheumatology Physician

28Total paid$18K

24GClaims395

24DCodes billed4

24AFirst – last monthMar 2018 – Jul 2023

Compared with peers

Next to other Rheumatology Physician providers in Illinois

Rank by total paid#77 of 140

Median peer was paid$20K

This provider vs. median0.9×

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	50	$2K
2019	108	$4K
2020	44	$2K
2021	94	$5K
2022	59	$3K
2023	40	$2K

Box 24 · Service lines

What it billed for

Code	Service	Share	Claims	Bene. records	Paid
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	51%	223	179	$9K
99215	Doctor's office visit, returning patient (complex)Prolong outpt/office vis	34%	104	93	$6K
96413	Chemotherapy administration, intravenous infusion; up to 1 hour, single or initial substance	12%	51	39	$2K
96365	Intravenous infusion, for therapy, prophylaxis, or diagnosis; initial, up to 1 hour	3.2%	17	12	$577.48

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.