Hamming, Mark

Hamming, Mark was paid $40K by Medicaid between Apr 2018 and Aug 2024, across 7 billing codes. Its largest line is 99213, doctor's office visit, returning patient (routine) — 53% of everything it billed.

33Billing provider infoHAMMING, MARK
GURNEE, IL 60031

33aNPI1861653453assigned 06/17/2008

33bProvider typeOrthopaedic Surgery Physician

28Total paid$40K

24GClaims1,410

24DCodes billed7

24AFirst – last monthApr 2018 – Aug 2024

Compared with peers

Next to other Orthopaedic Surgery Physician providers in Illinois

Rank by total paid#150 of 422

Median peer was paid$21K

This provider vs. median2.0×

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	100	$2K
2019	239	$6K
2020	318	$9K
2021	424	$14K
2022	231	$6K
2023	86	$2K
2024incomplete	12	$223.35

Box 24 · Service lines

What it billed for

Code	Service	Share	Claims	Bene. records	Paid
99213	Doctor's office visit, returning patient (routine)Office or other outpatient visit for the evaluation and management of an established patient, low complexity	53%	855	743	$21K
99203	Doctor's office visit, new patient (routine)Office or other outpatient visit for the evaluation and management of a new patient, low complexity	34%	354	284	$14K
99212	Office or other outpatient visit for the evaluation and management of an established patient, straightforward	5.7%	102	96	$2K
20610		4.8%	52	39	$2K
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	1.4%	13	12	$546.97
73610		<1%	14	13	$373.10
J1030	Injection, methylprednisolone acetate, 40 mg	<1%	20	13	$126.81

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.