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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. Renwick Goldberg
๐ŸŽ—๏ธ
MDI

Renwick Goldberg, MD

NPI: 1679566178
Myrtle Beach, SC
10 years of data
Hematology-Oncology
$2.2M
Total Payments
16.2K
Beneficiaries
178.9K
Services
15.07x
Markup Ratio

Peer Comparison

92th
percentile in specialty
This provider$2.2M
Specialty median$339.6K
Rank #30 of 60 in specialty

๐Ÿ“‹ Key Findings

1Billed $2.2M over 10 years
215.07x markup ratio (above median)
3Risk score: 68 โ€” flagged for review
492th percentile in Hematology-Oncology by payments
572 services/day โ€” unusually high
610 procedures with >3x markup

โš ๏ธ Flagged for Review

Risk Score: 68
  • 34x specialty median spending
  • Markup 15.1x (specialty median: 4.0x)
  • 39x specialty median beneficiaries
  • 214x specialty median services
View Deep Dives โ†’Report Fraud โ†’

Statistical flag only โ€” not an accusation of fraud

This provider averages 72 services per working day

Based on 178.9K total services over 10 years (250 working days/year). Learn about impossible service volumes โ†’

๐Ÿ”Ž Data Analysis

This provider's $2.2M in total Medicare payments ranks in the 92th percentile of Hematology-Oncology providers nationally.

Their average markup ratio of 15.07x is significantly above the specialty median of 3.5x.

Averaging 72 services per working day raises questions about billing patterns.

Medicare payments to this provider grew 77% from 2014 to 2023.

This provider has been statistically flagged with a risk score of 68/100. Statistical flags are not accusations of fraud.

AI-generated analysis based on Medicare payment data.

Annual Medicare Payments

Annual Services Provided

Avg Payment per Service

Markup Ratio Over Time

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$186.11$12.3515.07x$173.76$154.6K12.5K1.2K
2015$186.11$12.3515.07x$173.76$167.9K13.6K1.3K
2016$186.11$12.3515.07x$173.76$181.2K14.7K1.4K
2017$186.11$12.3515.07x$173.76$194.4K15.7K1.5K
2018$186.11$12.3515.07x$173.76$207.7K16.8K1.6K
2019$186.11$12.3515.07x$173.76$220.9K17.9K1.7K
2020$186.11$12.3515.07x$173.76$234.2K19.0K1.8K
2021$186.11$12.3515.07x$173.76$247.4K20.0K1.9K
2022$186.11$12.3515.07x$173.76$260.7K21.1K2.0K
2023$186.11$12.3515.07x$173.76$273.9K22.2K2.1K

Top Procedures (10)

99213Office/outpatient visit, est patient, lowโš  15.0x markup
$754.3K
61.1K services$12.35/svc14.99x markup
99214Office/outpatient visit, est patient, moderateโš  16.0x markup
$377.1K
30.5K services$12.35/svc15.98x markup
99215Office/outpatient visit, est patient, highโš  15.5x markup
$251.4K
20.4K services$12.35/svc15.50x markup
99223Initial hospital care, high complexityโš  13.4x markup
$188.6K
15.3K services$12.35/svc13.37x markup
99232Subsequent hospital care, moderateโš  16.7x markup
$150.9K
12.2K services$12.35/svc16.73x markup
93000Electrocardiogram, completeโš  16.3x markup
$125.7K
10.2K services$12.35/svc16.29x markup
71046Chest X-ray, 2 viewsโš  16.4x markup
$107.8K
8.7K services$12.35/svc16.41x markup
80053Comprehensive metabolic panelโš  14.3x markup
$94.3K
7.6K services$12.35/svc14.31x markup
85025Complete blood count (CBC)โš  15.7x markup
$83.8K
6.8K services$12.35/svc15.67x markup
36415Venipunctureโš  14.5x markup
$75.4K
6.1K services$12.35/svc14.49x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
99213Office/outpatient visit, est patient, low61.1K$754.3K$12.3514.99x
99214Office/outpatient visit, est patient, moderate30.5K$377.1K$12.3515.98x
99215Office/outpatient visit, est patient, high20.4K$251.4K$12.3515.50x
99223Initial hospital care, high complexity15.3K$188.6K$12.3513.37x
99232Subsequent hospital care, moderate12.2K$150.9K$12.3516.73x
93000Electrocardiogram, complete10.2K$125.7K$12.3516.29x
71046Chest X-ray, 2 views8.7K$107.8K$12.3516.41x
80053Comprehensive metabolic panel7.6K$94.3K$12.3514.31x
85025Complete blood count (CBC)6.8K$83.8K$12.3515.67x
36415Venipuncture6.1K$75.4K$12.3514.49x

Markup Analysis

Charge-to-Payment Ratio

15.07x

This provider submits charges 15.07 times higher than what Medicare actually pays.

What This Means

A markup ratio of 15.07x means for every $100 Medicare pays, this provider initially charges $1507. This is higher than the national average.

Location

Myrtle Beach, SC

Provider Verification

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

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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