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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. Peninsula Surgery Center, Llc
๐Ÿ”ช
Organization

Peninsula Surgery Center, Llc

NPI: 1740891571
Redwood City, CA
2 years of data
Ambulatory Surgical Center
$4.1M
Total Payments
9
Beneficiaries
79.2K
Services
7.01x
Markup Ratio

Peer Comparison

92th
percentile in specialty
This provider$4.1M
Specialty median$657.1K

๐Ÿ“‹ Key Findings

1Billed $4.1M over 2 years
27.01x markup ratio (above median)
392th percentile in Ambulatory Surgical Center by payments
4Payments surged 150% in 2023
54 procedures with >3x markup
โœ“ No flags detected

๐Ÿ”Ž Data Analysis

This provider's $4.1M in total Medicare payments ranks in the 92th percentile of Ambulatory Surgical Center providers nationally.

Their average markup ratio of 7.01x is significantly above the specialty median of 6.1x.

Medicare payments to this provider grew 150% from 2022 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 150% in 2023

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
2022$650.17$89.507.26x$560.67$1.2M13.1K4
2023$307.08$44.446.91x$262.64$2.9M66.1K5

Top Procedures (5)

27447Replacement of knee joint, both sides of kneeโš  7.9x markup
$2.2M
208 services$10.4K/svc7.94x markup
27130Replacement of thigh bone and hip joint with prosthesisโš  6.1x markup
$1.9M
178 services$10.5K/svc6.08x markup
C9088Instillation, bupivacaine and meloxicam, 1 mg/0.03 mg
$43.7K
78.8K services$0.55/svc2.54x markup
27570Manipulation of knee joint under anesthesiaโš  5.2x markup
$26.4K
33 services$800.62/svc5.20x markup
29881Removal of knee cartilage using an endoscopeโš  5.0x markup
$18.4K
12 services$1.5K/svc5.04x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
27447Replacement of knee joint, both sides of knee208$2.2M$10.4K7.94x
27130Replacement of thigh bone and hip joint with prosthesis178$1.9M$10.5K6.08x
C9088Instillation, bupivacaine and meloxicam, 1 mg/0.03 mg78.8K$43.7K$0.552.54x
27570Manipulation of knee joint under anesthesia33$26.4K$800.625.20x
29881Removal of knee cartilage using an endoscope12$18.4K$1.5K5.04x

Markup Analysis

Charge-to-Payment Ratio

7.01x

This provider submits charges 7.01 times higher than what Medicare actually pays.

What This Means

A markup ratio of 7.01x means for every $100 Medicare pays, this provider initially charges $701. This is higher than the national average.

Location

Redwood City, 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 Ambulatory Surgical Center providers in CA for peer comparison.

Peninsula Surgery Center, Llc (you)
$4.1M
Specialty Surgical Center, Llc
$49.2M
Santa Rosa Surgery Center L P
$41.3M
Peninsula Eye Surgery Center Llc
$37.0M
Fort Sutter Surgery Center A California Limited Partnership
$33.6M
Show detailed table โ–พ
ProviderLocationTotal PaymentsStatus
Specialty Surgical Center, LlcBeverly Hills, CA$49.2Mโœ“ Clear
Santa Rosa Surgery Center L PSanta Rosa, CA$41.3Mโœ“ Clear
Peninsula Eye Surgery Center LlcMountain View, CA$37.0Mโœ“ Clear
Fort Sutter Surgery Center A California Limited PartnershipSacramento, CA$33.6Mโœ“ 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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