Williamson, Allison

Williamson, Allison was paid $131K by Medicaid between Jan 2018 and May 2020, across 3 billing codes. Its largest line is 99283, emergency room visit (moderate) — 51% of everything it billed.

33Billing provider infoWILLIAMSON, ALLISON
SAINT LOUIS, MO 63104

33aNPI1114390663assigned 11/05/2015

33bProvider typePediatric Nurse Practitioner

28Total paid$131K

24GClaims3,553

24DCodes billed3

24AFirst – last monthJan 2018 – May 2020

Compared with peers

Next to other Pediatric Nurse Practitioner providers in Missouri

Rank by total paid#24 of 212

Median peer was paid$13K

This provider vs. median10×

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	1,625	$61K
2019	1,589	$55K
2020	339	$15K

Box 24 · Service lines

What it billed for

Code	Service	Share	Claims	Bene. records	Paid
99283	Emergency room visit (moderate)Emergency department visit for the evaluation and management, moderate severity	51%	1,456	1,406	$66K
99282	Emergency department visit for the evaluation and management, low to moderate severity	45%	2,018	1,960	$59K
99203	Doctor's office visit, new patient (routine)Office or other outpatient visit for the evaluation and management of a new patient, low complexity	4.8%	79	79	$6K

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.