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Data Sources: Centers for Medicare & Medicaid Services (CMS), Medicare Provider Utilization and Payment Data
Disclaimer: This site is an independent journalism project. Data analysis and editorial content are not affiliated with or endorsed by CMS or any government agency. All spending figures are based on publicly available Medicare payment records.
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ยฉ 2026 OpenMedicare. Independent data journalism. Built by TheDataProject.ai

Methodologyโ€ขDownload Data
  1. Home
  2. Providers
  3. Patrick Gonzales
๐Ÿ“ก
MDIndividual

Patrick Gonzales, M.D.

NPI: 1669779179
Walnut Creek, CA
8 years of data
Diagnostic Radiology
$3.3M
Total Payments
20.9K
Beneficiaries
22.4K
Services
3.74x
Markup Ratio

Peer Comparison

98th
percentile in specialty
This provider$3.3M
Specialty median$115.6K

๐Ÿ“‹ Key Findings

1Billed $3.3M over 8 years
23.74x markup ratio (above median)
398th percentile in Diagnostic Radiology by payments
4Payments surged 351% in 2022
517 procedures with >3x markup
โœ“ No flags detected

๐Ÿ”Ž Data Analysis

This provider's $3.3M in total Medicare payments ranks in the 98th percentile of Diagnostic Radiology providers nationally.

Medicare payments to this provider grew 6979% from 2016 to 2023.

AI-generated analysis based on Medicare payment data.

Annual Medicare Payments

Annual Services Provided

Avg Payment per Service

Markup Ratio Over Time

๐Ÿ“ˆ

Notable: Payments increased 351% in 2022

Year-over-year payment surges can indicate changes in practice volume, new services, or billing pattern shifts.

Submitted Charges vs. Medicare Payments

Average per-service amounts submitted by the provider compared to what Medicare actually paid โ€” the gap represents the markup.

YearAvg SubmittedAvg PaidMarkup RatioGap per ServiceTotal PaymentsServicesBeneficiaries
2016$337.24$51.086.60x$286.16$29.3K880853
2017$386.24$53.267.25x$332.98$111.6K3.2K3.1K
2018$585.41$65.298.97x$520.12$114.5K2.6K2.5K
2019$392.76$55.667.06x$337.10$125.8K3.1K3.0K
2020$503.41$73.336.86x$430.08$101.9K2.0K1.9K
2021$745.32$91.698.13x$653.63$131.3K2.2K2.1K
2022$819.24$128.576.37x$690.67$591.4K3.2K3.1K
2023$609.42$114.865.31x$494.56$2.1M5.1K4.4K

Top Procedures (20)

78815Nuclear medicine study from skull base to mid-thigh with ct scan
$1.6M
1.0K services$1.6K/svc2.39x markup
78816Nuclear medicine study whole body with ct scan
$334.4K
205 services$1.6K/svc2.39x markup
A9552Fluorodeoxyglucose f-18 fdg, diagnostic, per study dose, up to 45 millicuries
$295.0K
1.0K services$286.37/svc2.25x markup
74177CT scan of abdomen and pelvis with contrastโš  5.5x markup
$97.3K
772 services$126.07/svc5.53x markup
A9595Piflufolastat f-18, diagnostic, 1 millicurieโš  3.4x markup
$76.7K
158 services$485.70/svc3.35x markup
36558Insertion of central venous catheter for infusion, patient 5 years or olderโš  5.8x markup
$59.1K
255 services$231.85/svc5.82x markup
36561Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or olderโš  8.6x markup
$53.9K
181 services$297.95/svc8.56x markup
71250CT scan chestโš  6.4x markup
$51.0K
856 services$59.56/svc6.41x markup
49083Drainage of fluid from abdominal cavity using imaging guidanceโš  5.2x markup
$45.1K
472 services$95.53/svc5.23x markup
77012Radiological supervision and interpretation of CT guidance for needle insertionโš  4.8x markup
$38.8K
635 services$61.17/svc4.84x markup
72197Mri scan of pelvis before and after contrastโš  8.3x markup
$29.5K
93 services$316.70/svc8.35x markup
74176CT scan of abdomen and pelvisโš  7.3x markup
$29.2K
379 services$76.92/svc7.33x markup
71260CT scan chest with contrastโš  9.5x markup
$27.7K
476 services$58.11/svc9.53x markup
74183Mri scan of abdomen before and after contrastโš  8.0x markup
$26.7K
84 services$317.40/svc7.96x markup
74174CT scan of abdominal and pelvic blood vessels with contrastโš  3.5x markup
$23.7K
246 services$96.31/svc3.55x markup
70450CT scan head or brainโš  6.9x markup
$22.7K
595 services$38.09/svc6.91x markup
71275CT scan of blood vessels in chest with contrastโš  5.1x markup
$21.2K
267 services$79.22/svc5.09x markup
72148MRI scan of lower spinal canalโš  7.2x markup
$20.9K
125 services$167.47/svc7.16x markup
71045X-ray of chest, 1 viewโš  4.3x markup
$20.8K
2.5K services$8.15/svc4.33x markup
10005Fine needle aspiration of first lesion using ultrasound guidanceโš  3.9x markup
$20.5K
316 services$65.00/svc3.85x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
78815Nuclear medicine study from skull base to mid-thigh with ct scan1.0K$1.6M$1.6K2.39x
78816Nuclear medicine study whole body with ct scan205$334.4K$1.6K2.39x
A9552Fluorodeoxyglucose f-18 fdg, diagnostic, per study dose, up to 45 millicuries1.0K$295.0K$286.372.25x
74177CT scan of abdomen and pelvis with contrast772$97.3K$126.075.53x
A9595Piflufolastat f-18, diagnostic, 1 millicurie158$76.7K$485.703.35x
36558Insertion of central venous catheter for infusion, patient 5 years or older255$59.1K$231.855.82x
36561Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older181$53.9K$297.958.56x
71250CT scan chest856$51.0K$59.566.41x
49083Drainage of fluid from abdominal cavity using imaging guidance472$45.1K$95.535.23x
77012Radiological supervision and interpretation of CT guidance for needle insertion635$38.8K$61.174.84x
72197Mri scan of pelvis before and after contrast93$29.5K$316.708.35x
74176CT scan of abdomen and pelvis379$29.2K$76.927.33x
71260CT scan chest with contrast476$27.7K$58.119.53x
74183Mri scan of abdomen before and after contrast84$26.7K$317.407.96x
74174CT scan of abdominal and pelvic blood vessels with contrast246$23.7K$96.313.55x
70450CT scan head or brain595$22.7K$38.096.91x
71275CT scan of blood vessels in chest with contrast267$21.2K$79.225.09x
72148MRI scan of lower spinal canal125$20.9K$167.477.16x
71045X-ray of chest, 1 view2.5K$20.8K$8.154.33x
10005Fine needle aspiration of first lesion using ultrasound guidance316$20.5K$65.003.85x

Markup Analysis

Charge-to-Payment Ratio

3.74x

This provider submits charges 3.74 times higher than what Medicare actually pays.

What This Means

A markup ratio of 3.74x means for every $100 Medicare pays, this provider initially charges $374. This is higher than the national average.

Location

Walnut Creek, CA

Provider Verification

Always verify provider credentials and location before scheduling appointments. This data reflects Medicare payments and may not include all practice locations.

Similar Providers

Other Diagnostic Radiology providers in CA for peer comparison.

Patrick Gonzales (you)
$3.3M
Stephen Liu, M.D.
$37.2M
Show detailed table โ–พ
ProviderLocationTotal PaymentsStatus
Stephen Liu, M.D.Modesto, CA$37.2Mโœ“ Clear

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Data Sources

  • โ€ข Centers for Medicare & Medicaid Services (CMS)
  • โ€ข Medicare Provider Utilization and Payment Data (2014-2023)
  • โ€ข National Plan and Provider Enumeration System (NPPES)

Last Updated: February 2026 (data through 2023, the latest CMS release)

Note: All data is from publicly available Medicare records. OpenMedicare is an independent journalism project not affiliated with CMS.

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