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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. Randall Williams
๐Ÿฉบ
MDIndividual

Randall Williams, MD

NPI: 1245261114
Chico, CA
10 years of data
General Practice
$8.1M
Total Payments
193.5K
Beneficiaries
257.7K
Services
2.03x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$8.1M
Specialty median$58.9K

๐Ÿ“‹ Key Findings

1Billed $8.1M over 10 years
22.03x markup ratio (above median)
399th percentile in General Practice by payments
4103 services/day โ€” unusually high
5Payments surged 50% in 2020
64 procedures with >3x markup

This provider averages 103 services per working day

Based on 257.7K total services over 10 years (250 working days/year). Learn about impossible service volumes โ†’

๐Ÿ”Ž Data Analysis

This provider's $8.1M in total Medicare payments ranks in the 99th percentile of General Practice providers nationally.

Averaging 103 services per working day raises questions about billing patterns.

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 50% in 2020

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
2014$82.17$45.581.80x$36.59$639.8K21.4K16.5K
2015$83.00$44.581.86x$38.42$700.2K23.0K18.3K
2016$105.68$58.631.80x$47.05$664.6K22.2K16.8K
2017$109.48$57.971.89x$51.51$789.6K24.7K19.4K
2018$120.56$57.932.08x$62.63$749.8K23.6K18.3K
2019$112.90$56.891.98x$56.01$795.0K25.5K20.1K
2020$92.93$45.952.02x$46.98$1.2M35.7K24.5K
2021$89.35$47.431.88x$41.92$1.1M32.4K21.4K
2022$93.54$47.931.95x$45.61$727.3K24.4K18.9K
2023$99.53$48.462.05x$51.07$765.0K24.9K19.2K

Top Procedures (20)

99213Established patient office or other outpatient visit, typically 15 minutes
$1.9M
36.1K services$53.43/svc1.99x markup
G0439Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit
$676.4K
5.4K services$125.69/svc1.45x markup
99454Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days
$508.4K
10.3K services$49.49/svc1.45x markup
90662Vaccine for influenza for injection into muscle
$293.6K
5.7K services$51.90/svc1.42x markup
82306Vitamin D-3 level
$263.5K
7.9K services$33.29/svc1.92x markup
45380Biopsy of large bowel using an endoscope
$247.4K
728 services$339.79/svc2.07x markup
90670Pneumococcal vaccine for injection into muscle
$195.0K
1.2K services$165.86/svc1.10x markup
99497Advance care planning by the physician or other qualified health care professional
$190.6K
2.4K services$80.88/svc1.24x markup
84443Blood test, thyroid stimulating hormone (TSH)โš  3.4x markup
$172.1K
9.0K services$19.12/svc3.44x markup
90732Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older
$150.4K
1.5K services$99.04/svc1.18x markup
82607Cyanocobalamin (vitamin B-12) levelโš  4.2x markup
$143.2K
8.4K services$17.10/svc4.15x markup
G0008Administration of influenza virus vaccine
$142.6K
5.9K services$24.07/svc1.32x markup
99214Established patient office or other outpatient, visit typically 25 minutes
$137.8K
2.0K services$70.43/svc2.19x markup
80061Blood test, lipids (cholesterol and triglycerides)
$134.6K
10.3K services$13.06/svc2.73x markup
80053Blood test, comprehensive group of blood chemicalsโš  3.5x markup
$132.8K
11.4K services$11.61/svc3.48x markup
82746Folic acid levelโš  4.2x markup
$116.9K
6.9K services$16.83/svc4.22x markup
84403Testosterone (hormone) level
$114.7K
3.9K services$29.12/svc1.63x markup
77067Mammography of both breasts
$111.6K
793 services$140.75/svc1.42x markup
86141Measurement C-reactive protein for detection of infection or inflammation
$103.3K
7.1K services$14.56/svc2.77x markup
85025Complete blood cell count (red cells, white blood cell, platelets), automated test
$101.5K
11.4K services$8.87/svc2.86x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
99213Established patient office or other outpatient visit, typically 15 minutes36.1K$1.9M$53.431.99x
G0439Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit5.4K$676.4K$125.691.45x
99454Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days10.3K$508.4K$49.491.45x
90662Vaccine for influenza for injection into muscle5.7K$293.6K$51.901.42x
82306Vitamin D-3 level7.9K$263.5K$33.291.92x
45380Biopsy of large bowel using an endoscope728$247.4K$339.792.07x
90670Pneumococcal vaccine for injection into muscle1.2K$195.0K$165.861.10x
99497Advance care planning by the physician or other qualified health care professional2.4K$190.6K$80.881.24x
84443Blood test, thyroid stimulating hormone (TSH)9.0K$172.1K$19.123.44x
90732Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older1.5K$150.4K$99.041.18x
82607Cyanocobalamin (vitamin B-12) level8.4K$143.2K$17.104.15x
G0008Administration of influenza virus vaccine5.9K$142.6K$24.071.32x
99214Established patient office or other outpatient, visit typically 25 minutes2.0K$137.8K$70.432.19x
80061Blood test, lipids (cholesterol and triglycerides)10.3K$134.6K$13.062.73x
80053Blood test, comprehensive group of blood chemicals11.4K$132.8K$11.613.48x
82746Folic acid level6.9K$116.9K$16.834.22x
84403Testosterone (hormone) level3.9K$114.7K$29.121.63x
77067Mammography of both breasts793$111.6K$140.751.42x
86141Measurement C-reactive protein for detection of infection or inflammation7.1K$103.3K$14.562.77x
85025Complete blood cell count (red cells, white blood cell, platelets), automated test11.4K$101.5K$8.872.86x

Markup Analysis

Charge-to-Payment Ratio

2.03x

This provider submits charges 2.03 times higher than what Medicare actually pays.

What This Means

A markup ratio of 2.03x means for every $100 Medicare pays, this provider initially charges $203. This is higher than the national average.

Location

Chico, 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 General Practice providers in CA for peer comparison.

Randall Williams (you)
$8.1M
Jack Azad, M.D.โš ๏ธ
$34.5M
Show detailed table โ–พ
ProviderLocationTotal PaymentsStatus
Jack Azad, M.D.Los Angeles, CA$34.5Mโš ๏ธ Flagged

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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.

Believe this data is inaccurate? Dispute this data