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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.
Sister Sites: OpenMedicaid ยท OpenFeds ยท OpenSpending

ยฉ 2026 OpenMedicare. Independent data journalism. Built by TheDataProject.ai

Methodologyโ€ขDownload Data
  1. Home
  2. Providers
  3. Perrie Ryan
๐ŸŽ—๏ธ
MDIndividual

Perrie Ryan, M.D.

NPI: 1073530432
West Columbia, SC
10 years of data
Hematology-Oncology
$11.7M
Total Payments
370
Beneficiaries
896.1K
Services
3.87x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$11.7M
Specialty median$339.6K

๐Ÿ“‹ Key Findings

1Billed $11.7M over 10 years
23.87x markup ratio (above median)
3Risk score: 68 โ€” flagged for review
499th percentile in Hematology-Oncology by payments
5358 services/day โ€” physically implausible
6Payments surged 415% in 2017

โš ๏ธ Flagged for Review

Risk Score: 68
  • 51x specialty median spending
  • Markup 15.8x (specialty median: 4.0x)
  • 18x specialty median beneficiaries
  • 247x specialty median services
View Deep Dives โ†’Report Fraud โ†’

Statistical flag only โ€” not an accusation of fraud

โš ๏ธ This provider averages 358 services per working day โ€” physically unusual for an individual practitioner

Based on 896.1K total services over 10 years (250 working days/year). Learn about impossible service volumes โ†’

๐Ÿ”Ž Data Analysis

This provider's $11.7M in total Medicare payments ranks in the 99th percentile of Hematology-Oncology providers nationally.

Averaging 358 services per working day raises questions about billing patterns.

Medicare payments to this provider grew 3110% 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

๐Ÿ“ˆ

Notable: Payments increased 415% in 2017

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$314.52$79.253.97x$235.27$103.7K1.3K9
2015$321.30$85.203.77x$236.10$124.7K1.5K9
2016$183.91$50.483.64x$133.43$53.1K1.1K14
2017$19.38$5.063.83x$14.32$273.0K53.9K28
2018$30.54$6.624.61x$23.92$481.5K72.8K31
2019$39.22$7.904.96x$31.32$701.9K88.9K42
2020$49.37$14.143.49x$35.23$2.2M155.1K54
2021$51.52$13.573.80x$37.95$2.0M148.5K57
2022$56.88$14.733.86x$42.15$2.5M166.4K62
2023$61.92$16.093.85x$45.83$3.3M206.7K64

Top Procedures (20)

J9271Injection, pembrolizumab, 1 mg
$2.3M
56.4K services$40.24/svc2.67x markup
J9299Injection, nivolumab, 1 mg
$1.6M
67.7K services$22.98/svc2.52x markup
J0897Injection, denosumab, 1 mg
$679.0K
43.0K services$15.80/svc2.86x markup
78815Nuclear medicine study from skull base to mid-thigh with ct scanโš  6.1x markup
$613.6K
875 services$701.23/svc6.08x markup
J9312Injection, rituximab, 10 mgโš  3.0x markup
$547.7K
8.0K services$68.57/svc3.04x markup
J9144Injection, daratumumab, 10 mg and hyaluronidase-fihj
$527.1K
15.5K services$34.05/svc2.52x markup
J2505Injection, pegfilgrastim, 6 mgโš  4.9x markup
$507.6K
177 services$2.9K/svc4.92x markup
99214Established patient office or other outpatient visit, 30-39 minutes
$403.5K
4.9K services$82.12/svc2.87x markup
J9035Injection, bevacizumab, 10 mg
$386.9K
6.7K services$57.61/svc2.92x markup
96413Administration of chemotherapy into vein, 1 hour or lessโš  3.6x markup
$318.3K
3.1K services$101.18/svc3.62x markup
A9595Piflufolastat f-18, diagnostic, 1 millicurie
$288.0K
507 services$567.98/svc2.62x markup
J9173Injection, durvalumab, 10 mg
$259.0K
4.2K services$62.12/svc2.33x markup
99213Established patient office or other outpatient visit, 20-29 minutes
$239.5K
4.4K services$54.51/svc2.61x markup
J1439Injection, ferric carboxymaltose, 1 mgโš  3.7x markup
$229.9K
272.3K services$0.84/svc3.67x markup
J9022Injection, atezolizumab, 10 mg
$219.1K
3.4K services$63.83/svc2.65x markup
J2506Injection, pegfilgrastim, excludes biosimilar, 0.5 mgโš  10.4x markup
$197.7K
1.9K services$101.68/svc10.39x markup
J9041Injection, bortezomib, 0.1 mgโš  4.1x markup
$191.9K
7.5K services$25.43/svc4.13x markup
J9264Injection, paclitaxel protein-bound particles, 1 mg
$184.0K
17.8K services$10.33/svc2.95x markup
A9552Fluorodeoxyglucose f-18 fdg, diagnostic, per study dose, up to 45 millicuriesโš  3.6x markup
$158.1K
789 services$200.34/svc3.60x markup
J9217Leuprolide acetate (for depot suspension), 7.5 mgโš  7.2x markup
$156.6K
1.0K services$149.53/svc7.20x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
J9271Injection, pembrolizumab, 1 mg56.4K$2.3M$40.242.67x
J9299Injection, nivolumab, 1 mg67.7K$1.6M$22.982.52x
J0897Injection, denosumab, 1 mg43.0K$679.0K$15.802.86x
78815Nuclear medicine study from skull base to mid-thigh with ct scan875$613.6K$701.236.08x
J9312Injection, rituximab, 10 mg8.0K$547.7K$68.573.04x
J9144Injection, daratumumab, 10 mg and hyaluronidase-fihj15.5K$527.1K$34.052.52x
J2505Injection, pegfilgrastim, 6 mg177$507.6K$2.9K4.92x
99214Established patient office or other outpatient visit, 30-39 minutes4.9K$403.5K$82.122.87x
J9035Injection, bevacizumab, 10 mg6.7K$386.9K$57.612.92x
96413Administration of chemotherapy into vein, 1 hour or less3.1K$318.3K$101.183.62x
A9595Piflufolastat f-18, diagnostic, 1 millicurie507$288.0K$567.982.62x
J9173Injection, durvalumab, 10 mg4.2K$259.0K$62.122.33x
99213Established patient office or other outpatient visit, 20-29 minutes4.4K$239.5K$54.512.61x
J1439Injection, ferric carboxymaltose, 1 mg272.3K$229.9K$0.843.67x
J9022Injection, atezolizumab, 10 mg3.4K$219.1K$63.832.65x
J2506Injection, pegfilgrastim, excludes biosimilar, 0.5 mg1.9K$197.7K$101.6810.39x
J9041Injection, bortezomib, 0.1 mg7.5K$191.9K$25.434.13x
J9264Injection, paclitaxel protein-bound particles, 1 mg17.8K$184.0K$10.332.95x
A9552Fluorodeoxyglucose f-18 fdg, diagnostic, per study dose, up to 45 millicuries789$158.1K$200.343.60x
J9217Leuprolide acetate (for depot suspension), 7.5 mg1.0K$156.6K$149.537.20x

Markup Analysis

Charge-to-Payment Ratio

3.87x

This provider submits charges 3.87 times higher than what Medicare actually pays.

What This Means

A markup ratio of 3.87x means for every $100 Medicare pays, this provider initially charges $387. This is higher than the national average.

Location

West Columbia, SC

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 Hematology-Oncology providers in SC for peer comparison.

Perrie Ryan (you)
$11.7M
Renwick Goldberg, MDโš ๏ธ
$38.6M
Show detailed table โ–พ
ProviderLocationTotal PaymentsStatus
Renwick Goldberg, MDMyrtle Beach, SC$38.6Mโš ๏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