Zhuping Chang Karaisz, M.D. PA

Zhuping Chang Karaisz, M.D. PA was paid $105K by Medicaid between Jan 2018 and Jul 2024, across 11 billing codes. Its largest line is 99214, doctor's office visit, returning patient (more involved) — 48% of everything it billed.

33Billing provider infoZHUPING CHANG KARAISZ, M.D. PA
PLAINSBORO, NJ 08536

33aNPI1669901500assigned 06/05/2017

33bProvider typeInternal Medicine Physician

28Total paid$105K

24GClaims3,503

24DCodes billed11

24AFirst – last monthJan 2018 – Jul 2024

Compared with peers

Next to other Internal Medicine Physician providers in New Jersey

Rank by total paid#340 of 1,027

Median peer was paid$30K

This provider vs. median3.5×

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	591	$23K
2019	521	$16K
2020	909	$22K
2021	778	$20K
2022	474	$15K
2023	120	$5K
2024incomplete	110	$3K

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	48%	1,251	1,102	$50K
99213	Doctor's office visit, returning patient (routine)Office or other outpatient visit for the evaluation and management of an established patient, low complexity	31%	1,180	965	$33K
99215	Doctor's office visit, returning patient (complex)Prolong outpt/office vis	16%	231	218	$16K
90471	Immunization administration (includes percutaneous, intradermal, subcutaneous, or intramuscular injections), 1 vaccine	1.7%	152	149	$2K
90686		1.4%	176	163	$1K
90688		<1%	72	72	$952.73
93000		<1%	56	55	$540.56
G0444	Annual depression screening, 5 to 15 minutes	<1%	152	136	$475.20
G0442	Annual alcohol misuse screening, 5 to 15 minutes	<1%	154	137	$280.38
36415	Collection of venous blood by venipuncture	<1%	14	13	$27.32
G0008	Administration of influenza virus vaccine	<1%	65	59	$7.29

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.

From NPPES

Who's on the registration

Authorized officialCHANG, ZHUPING (PRESIDENT)