Hammes, Mary

Hammes, Mary was paid $394K by Medicaid between Jan 2018 and Oct 2024, across 6 billing codes. Its largest line is 90960, End-stage renal disease related services monthly, for patients 20 years and older, with 4 or more face-to-face visits — 89% of everything it billed.

33Billing provider infoHAMMES, MARY
CHICAGO, IL 60637

33aNPI1366505885assigned 12/18/2006

33bProvider typeNephrology Physician

28Total paid$394K

24GClaims6,461

24DCodes billed6

24AFirst – last monthJan 2018 – Oct 2024

Compared with peers

Next to other Nephrology Physician providers in Illinois

Rank by total paid#20 of 327

Median peer was paid$68K

This provider vs. median5.8×

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	1,143	$50K
2019	1,293	$81K
2020	1,083	$69K
2021	1,071	$56K
2022	785	$48K
2023	577	$41K
2024incomplete	509	$51K

Box 24 · Service lines

What it billed for

Code	Service	Share	Claims	Bene. records	Paid
90960	End-stage renal disease related services monthly, for patients 20 years and older, with 4 or more face-to-face visits	89%	4,714	4,644	$353K
99233	Hospital visit by a doctor, follow-up day (complex)Prolong inpt eval add15 m	4.9%	723	395	$19K
90935	Hemodialysis procedure with single evaluation by a physician	4.4%	931	566	$17K
99254		<1%	53	53	$3K
90961		<1%	15	15	$2K
99222	Initial hospital care, per day, moderate complexity	<1%	25	24	$217.86

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.