John Muir Magnetic Imaging Center

John Muir Magnetic Imaging Center was paid $86K by Medicaid between Jan 2018 and Oct 2024, across 5 billing codes. Its largest line is 70551, Magnetic resonance imaging, brain; without contrast material — 47% of everything it billed.

33Billing provider infoJOHN MUIR MAGNETIC IMAGING CENTER
WALNUT CREEK, CA 94598

33aNPI1235184110assigned 05/22/2006

33bProvider typeDiagnostic Radiology Physician

28Total paid$86K

24GClaims1,345

24DCodes billed5

24AFirst – last monthJan 2018 – Oct 2024

Compared with peers

Next to other Diagnostic Radiology Physician providers in California

Rank by total paid#203 of 797

Median peer was paid$6K

This provider vs. median15×

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	51	$6K
2019	43	$486.09
2020	40	$730.43
2021	221	$17K
2022	145	$9K
2023	488	$34K
2024incomplete	357	$18K

Box 24 · Service lines

What it billed for

Code	Service	Share	Claims	Bene. records	Paid
70551	Magnetic resonance imaging, brain; without contrast material	47%	380	235	$40K
70553	Magnetic resonance imaging, brain; without contrast material, followed by contrast material and further sequences	29%	150	88	$25K
A9585	Injection, gadobutrol, 0.1 ml	14%	763	490	$12K
74183		6.0%	27	14	$5K
73721	Magnetic resonance imaging, any joint of lower extremity; without contrast material	3.9%	25	12	$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.

From NPPES

Who's on the registration

Authorized officialCHAN, RONALD (CHAIRMAN)