John T. Mather Memorial Hospital

John T. Mather Memorial Hospital was paid $552K by Medicaid between Jan 2018 and Oct 2024, across 3 billing codes. Its largest line is 99284, emergency room visit (serious) — 83% of everything it billed.

33Billing provider infoJOHN T. MATHER MEMORIAL HOSPITAL
PORT JEFFERSON, NY 11777

33aNPI1104913748assigned 10/06/2006

33bProvider typeEmergency Medicine Physician

28Total paid$552K

24GClaims5,626

24DCodes billed3

24AFirst – last monthJan 2018 – Oct 2024

Compared with peers

Next to other Emergency Medicine Physician providers in New York

Rank by total paid#76 of 2,113

Median peer was paid$5K

This provider vs. median122×

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	461	$27K
2019	541	$41K
2020	782	$77K
2021	1,255	$119K
2022	1,223	$139K
2023	961	$109K
2024incomplete	403	$40K

Box 24 · Service lines

What it billed for

Code	Service	Share	Claims	Bene. records	Paid
99284	Emergency room visit (serious)Emergency department visit for the evaluation and management, high severity	83%	4,199	4,114	$459K
99283	Emergency room visit (moderate)Emergency department visit for the evaluation and management, moderate severity	16%	1,403	1,367	$89K
99285	Emergency room visit (most serious)Emergency department visit for the evaluation and management, high severity with immediate threat to life	<1%	24	24	$4K

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 officialDONNELLY, SHARON (DIRECTOR)