Guiab, Marizthel

Guiab, Marizthel was paid $400K by Medicaid between Jan 2018 and Jun 2024, across 7 billing codes. Its largest line is 99309, Subsequent nursing facility care, per day, low to moderate complexity — 46% of everything it billed.

33Billing provider infoGUIAB, MARIZTHEL
WESTCHESTER, IL 60154

33aNPI1720597990assigned 09/20/2017

33bProvider typeNurse Practitioner

28Total paid$400K

24GClaims16,279

24DCodes billed7

24AFirst – last monthJan 2018 – Jun 2024

Compared with peers

Next to other Nurse Practitioner providers in Illinois

Rank by total paid#44 of 1,687

Median peer was paid$22K

This provider vs. median18×

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	2,601	$30K
2019	2,654	$39K
2020	2,544	$65K
2021	2,512	$52K
2022	1,713	$51K
2023	3,169	$120K
2024incomplete	1,086	$43K

Box 24 · Service lines

What it billed for

Code	Service	Share	Claims	Bene. records	Paid
99309	Subsequent nursing facility care, per day, low to moderate complexity	46%	9,693	8,797	$185K
90792	Psychiatric diagnostic evaluation with medical services	30%	1,381	1,272	$119K
99308	Subsequent nursing facility care, per day, straightforward	23%	4,849	4,663	$91K
99310	Prolong nursin fac eval 15m	1.1%	284	269	$4K
99306	Prolong nursin fac eval 15m	<1%	17	17	$381.60
90833	Psychotherapy, 30 minutes with patient when performed with an E&M service (add-on)	<1%	12	12	$360.64
99358	Prolong nursin fac eval 15m	<1%	43	38	$189.90

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.