Chang, Joseph

Chang, Joseph was paid $19K by Medicaid between Feb 2018 and Mar 2023, across 2 billing codes. Its largest line is 99285, emergency room visit (most serious) — 87% of everything it billed.

33Billing provider infoCHANG, JOSEPH
WINCHESTER, MA 01890

33aNPI1518914274assigned 05/28/2006

33bProvider typeEmergency Medicine Physician

28Total paid$19K

24GClaims151

24DCodes billed2

24AFirst – last monthFeb 2018 – Mar 2023

Compared with peers

Next to other Emergency Medicine Physician providers in Massachusetts

Rank by total paid#234 of 618

Median peer was paid$8K

This provider vs. median2.3×

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	57	$7K
2019	55	$7K
2020	26	$3K
2023	13	$1K

Box 24 · Service lines

What it billed for

Code	Service	Share	Claims	Bene. records	Paid
99285	Emergency room visit (most serious)Emergency department visit for the evaluation and management, high severity with immediate threat to life	87%	123	122	$16K
99284	Emergency room visit (serious)Emergency department visit for the evaluation and management, high severity	13%	28	27	$3K

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.