Medicaid Provider SpendingClaims paid 2018–2024 · HHS public file
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Physician

Uc Regents

Uc Regents was paid $39K by Medicaid between Jan 2018 and Feb 2024, across 11 billing codes. Its largest line is 72148, Magnetic resonance imaging, lumbar spine; without contrast material — 37% of everything it billed.

33Billing provider infoUC REGENTS
FOUNTAIN VALLEY, CA 92708
33aNPI1902177785assigned 01/25/2012
28Total paid$39K
24GClaims1,858
24DCodes billed11
24AFirst – last monthJan 2018 – Feb 2024
Compared with peers

Next to other Diagnostic Radiology Physician providers in California

Rank by total paid#260 of 797
Median peer was paid$6K
This provider vs. median7.0×

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

$0$2.5K$5.0K$7.5K2018201920202021202220232024
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
YearClaimsPaid
2018423$7K
2019205$9K
2020120$895.45
2021337$5K
2022354$5K
2023390$10K
2024incomplete29$2K
Box 24 · Service lines

What it billed for

CodeServiceShareClaimsBene. recordsPaid
72148 Magnetic resonance imaging, lumbar spine; without contrast material 37% 242 242 $14K
73721 Magnetic resonance imaging, any joint of lower extremity; without contrast material 18% 103 87 $7K
76700 Ultrasound, abdominal, real time with image documentation; complete 17% 486 486 $7K
71250 9.0% 120 120 $4K
76641 8.0% 71 67 $3K
71046 Radiologic examination, chest; 2 views 7.6% 654 651 $3K
73564 1.6% 74 52 $633.12
76536 <1% 26 26 $324.00
73562 <1% 51 29 $318.60
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml <1% 12 12 $14.51
73030 0% 19 13 $0.00

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 officialSIWABESSY, RANDOLPH (VICE PRESIDENT AND CHIEF FINANCIAL)
Parent organizationUC REGENTS
Same official

Other billing entities under SIWABESSY, RANDOLPH

Full network →
ProviderLocationPaid
University of California IrvineOrange, CA$153.06M
University of California IrvineLakewood, CA$21.51M
University of California IrvineFountain Valley, CA$16.83M
University of California IrvinePlacentia, CA$6.87M
University of California IrvineLos Alamitos, CA$6.02M

Matched on the authorized-official name exactly as entered in NPPES. A common name can match unrelated people.