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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. Sutter Bay Medical Foundation
๐Ÿ”ช
Organization

Sutter Bay Medical Foundation

NPI: 1164840088
San Carlos, CA
9 years of data
Ambulatory Surgical Center
$6.8M
Total Payments
10.4K
Beneficiaries
10.8K
Services
5.07x
Markup Ratio

Peer Comparison

95th
percentile in specialty
This provider$6.8M
Specialty median$657.1K

๐Ÿ“‹ Key Findings

1Billed $6.8M over 9 years
25.07x markup ratio (above median)
395th percentile in Ambulatory Surgical Center by payments
4Payments surged 57% in 2021
518 procedures with >3x markup
โœ“ No flags detected

๐Ÿ”Ž Data Analysis

This provider's $6.8M in total Medicare payments ranks in the 95th percentile of Ambulatory Surgical Center providers nationally.

Their average markup ratio of 5.07x is significantly above the specialty median of 6.1x.

Medicare payments to this provider grew 249% from 2015 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 57% in 2021

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
2015$3.7K$888.354.11x$2.8K$363.8K546532
2016$3.4K$812.914.18x$2.6K$505.7K817801
2017$3.6K$810.354.44x$2.8K$582.5K974942
2018$3.9K$724.575.33x$3.1K$739.2K1.3K1.3K
2019$4.0K$757.995.30x$3.3K$765.0K1.4K1.3K
2020$4.3K$817.775.30x$3.5K$626.8K1.0K999
2021$4.3K$908.904.78x$3.4K$984.4K1.5K1.4K
2022$4.5K$936.754.82x$3.6K$990.8K1.5K1.4K
2023$4.8K$1.1K4.38x$3.7K$1.3M1.7K1.7K

Top Procedures (20)

45380Biopsy of large bowel using an endoscopeโš  5.4x markup
$974.2K
2.3K services$429.54/svc5.40x markup
45385Removal of polyps or growths of large bowel using an endoscopeโš  4.5x markup
$761.1K
1.4K services$543.65/svc4.50x markup
25609Open treatment of broken of lower forearm or growth plate separation with insertion of hardware 3 or more fragments
$582.2K
133 services$4.4K/svc2.72x markup
29881Removal of one knee cartilage using an endoscopeโš  4.4x markup
$462.7K
337 services$1.4K/svc4.40x markup
43239Biopsy of the esophagus, stomach, and/or upper small bowel using an endoscopeโš  6.9x markup
$451.6K
1.4K services$313.38/svc6.90x markup
29848Release of wrist ligament using an endoscopeโš  6.4x markup
$378.4K
468 services$808.62/svc6.40x markup
29827Repair of shoulder rotator cuff using an endoscopeโš  3.6x markup
$245.9K
88 services$2.8K/svc3.59x markup
29880Removal of both knee cartilages using an endoscopeโš  5.1x markup
$230.6K
166 services$1.4K/svc5.11x markup
64483Injections of anesthetic and/or steroid drug into lower or sacral spine nerve root using imaging guidanceโš  3.6x markup
$224.0K
539 services$415.59/svc3.65x markup
43259Ultrasound examination of esophagus, stomach and/or upper small bowel using an endoscopeโš  4.4x markup
$199.4K
273 services$730.43/svc4.44x markup
29824Partial removal of collar bone at shoulder using an endoscopeโš  7.0x markup
$172.7K
150 services$1.2K/svc6.95x markup
29876Removal of joint lining from two or more knee joint compartments using an endoscopeโš  9.0x markup
$166.6K
236 services$705.88/svc9.03x markup
20680Removal of deep bone implantโš  3.9x markup
$160.2K
145 services$1.1K/svc3.94x markup
G0105Colorectal cancer screening; colonoscopy on individual at high riskโš  4.5x markup
$155.2K
300 services$517.34/svc4.48x markup
29823Extensive removal of shoulder joint tissue using an endoscopeโš  12.2x markup
$144.8K
180 services$804.67/svc12.17x markup
26055Incision of tendon coveringโš  5.7x markup
$144.5K
237 services$609.76/svc5.66x markup
43237Ultrasound examination of esophagus, stomach, and/or upper small bowel using an endoscopeโš  5.6x markup
$102.1K
167 services$611.43/svc5.59x markup
43252Microscopic examination of esophagus, stomach, and/or upper small bowel using an endoscope
$87.6K
55 services$1.6K/svc1.70x markup
64493Injections of lower or sacral spine facet joint using imaging guidance, single levelโš  5.0x markup
$85.0K
207 services$410.67/svc5.04x markup
G0121Colorectal cancer screening; colonoscopy on individual not meeting criteria for high riskโš  4.4x markup
$84.5K
163 services$518.21/svc4.42x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
45380Biopsy of large bowel using an endoscope2.3K$974.2K$429.545.40x
45385Removal of polyps or growths of large bowel using an endoscope1.4K$761.1K$543.654.50x
25609Open treatment of broken of lower forearm or growth plate separation with insertion of hardware 3 or more fragments133$582.2K$4.4K2.72x
29881Removal of one knee cartilage using an endoscope337$462.7K$1.4K4.40x
43239Biopsy of the esophagus, stomach, and/or upper small bowel using an endoscope1.4K$451.6K$313.386.90x
29848Release of wrist ligament using an endoscope468$378.4K$808.626.40x
29827Repair of shoulder rotator cuff using an endoscope88$245.9K$2.8K3.59x
29880Removal of both knee cartilages using an endoscope166$230.6K$1.4K5.11x
64483Injections of anesthetic and/or steroid drug into lower or sacral spine nerve root using imaging guidance539$224.0K$415.593.65x
43259Ultrasound examination of esophagus, stomach and/or upper small bowel using an endoscope273$199.4K$730.434.44x
29824Partial removal of collar bone at shoulder using an endoscope150$172.7K$1.2K6.95x
29876Removal of joint lining from two or more knee joint compartments using an endoscope236$166.6K$705.889.03x
20680Removal of deep bone implant145$160.2K$1.1K3.94x
G0105Colorectal cancer screening; colonoscopy on individual at high risk300$155.2K$517.344.48x
29823Extensive removal of shoulder joint tissue using an endoscope180$144.8K$804.6712.17x
26055Incision of tendon covering237$144.5K$609.765.66x
43237Ultrasound examination of esophagus, stomach, and/or upper small bowel using an endoscope167$102.1K$611.435.59x
43252Microscopic examination of esophagus, stomach, and/or upper small bowel using an endoscope55$87.6K$1.6K1.70x
64493Injections of lower or sacral spine facet joint using imaging guidance, single level207$85.0K$410.675.04x
G0121Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk163$84.5K$518.214.42x

Markup Analysis

Charge-to-Payment Ratio

5.07x

This provider submits charges 5.07 times higher than what Medicare actually pays.

What This Means

A markup ratio of 5.07x means for every $100 Medicare pays, this provider initially charges $507. This is higher than the national average.

Location

San Carlos, 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.

Sutter Bay Medical Foundation (you)
$6.8M
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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