Chang, Shih-Wen

Chang, Shih-Wen was paid $14K by Medicaid between Jan 2018 and Nov 2024, across 4 billing codes. Its largest line is 99291, Critical care, evaluation and management of the critically ill patient, first 30-74 minutes — 79% of everything it billed.

33Billing provider infoCHANG, SHIH-WEN
WEST ALLIS, WI 53227

33aNPI1629084579assigned 07/31/2006

33bProvider typeCritical Care Medicine (Internal Medicine) Physician

28Total paid$14K

24GClaims330

24DCodes billed4

24AFirst – last monthJan 2018 – Nov 2024

Compared with peers

Next to other Critical Care Medicine (Internal Medicine) Physician providers in Wisconsin

Rank by total paid#7 of 10

Median peer was paid$22K

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	207	$3K
2019	41	$173.05
2024incomplete	82	$11K

Box 24 · Service lines

What it billed for

Code	Service	Share	Claims	Bene. records	Paid
99291	Critical care, evaluation and management of the critically ill patient, first 30-74 minutes	79%	82	66	$11K
99233	Hospital visit by a doctor, follow-up day (complex)Prolong inpt eval add15 m	10%	153	55	$1K
99223	Prolong inpt eval add15 m	9.8%	72	72	$1K
99232	Hospital visit by a doctor, follow-up daySubsequent hospital care, per day, moderate complexity	1.1%	23	16	$149.40

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.