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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. California Medical Surgery Center Llc
๐Ÿ”ช
Organization

California Medical Surgery Center Llc

NPI: 1831794049
San Luis Obispo, CA
3 years of data
Ambulatory Surgical Center
$3.4M
Total Payments
3.1K
Beneficiaries
3.9K
Services
13.07x
Markup Ratio

Peer Comparison

90th
percentile in specialty
This provider$3.4M
Specialty median$657.1K

๐Ÿ“‹ Key Findings

1Billed $3.4M over 3 years
213.07x markup ratio (above median)
390th percentile in Ambulatory Surgical Center by payments
4Payments surged 173% in 2022
520 procedures with >3x markup
โœ“ No flags detected

๐Ÿ”Ž Data Analysis

This provider's $3.4M in total Medicare payments ranks in the 90th percentile of Ambulatory Surgical Center providers nationally.

Their average markup ratio of 13.07x is significantly above the specialty median of 6.1x.

Medicare payments to this provider grew 224% from 2021 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 173% in 2022

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
2021$17.6K$1.4K12.58x$16.2K$491.5K604494
2022$15.9K$1.2K12.86x$14.7K$1.3M1.6K1.2K
2023$16.0K$1.1K13.98x$14.9K$1.6M1.7K1.4K

Top Procedures (20)

66984Removal of cataract with insertion of lens, simpleโš  12.5x markup
$1.9M
1.9K services$984.84/svc12.50x markup
66991Extracapsular removal of cataract with insertion of artificial lens and insertion of drainage device in front chamber of eyeโš  12.8x markup
$289.1K
96 services$3.0K/svc12.77x markup
66821Removal of recurring cataract in lens capsule using laserโš  14.1x markup
$209.5K
980 services$213.82/svc14.09x markup
0449TInsertion of initial aqueous fluid drainage device into eyeโš  12.8x markup
$180.9K
66 services$2.7K/svc12.85x markup
67042Removal of membrane from the retina, pars plana approach with removal of internal limiting membrane of retinaโš  12.4x markup
$153.3K
86 services$1.8K/svc12.44x markup
15823Removal of excessive skin and fat of upper eyelidโš  17.7x markup
$120.7K
208 services$580.29/svc17.69x markup
66982Removal of cataract with insertion of lens, complexโš  12.5x markup
$110.9K
113 services$981.63/svc12.54x markup
67039Laser destruction of eye fluid (vitreous) between the lens and retina, focalโš  12.4x markup
$91.4K
51 services$1.8K/svc12.37x markup
67903Shortening or advancement of upper eyelid muscle to correct drooping or paralysisโš  15.3x markup
$64.4K
95 services$678.08/svc15.26x markup
66174Dilation of fluid outflow drainage within eyeโš  19.0x markup
$52.6K
45 services$1.2K/svc18.97x markup
0191TInternal insertion of eye fluid drainage deviceโš  12.5x markup
$42.8K
16 services$2.7K/svc12.50x markup
67036Removal of eye fluid (vitreous) between lens and retinaโš  12.3x markup
$30.5K
17 services$1.8K/svc12.35x markup
67113Complex repair of detached retina and drainage of eye fluid between lens and retinaโš  12.3x markup
$28.8K
16 services$1.8K/svc12.34x markup
67040Destruction of eye fluid (vitreous) between lens and retina and all of retina using a laserโš  12.2x markup
$25.4K
14 services$1.8K/svc12.23x markup
67904Repair of tendon of upper eyelidโš  15.8x markup
$25.0K
39 services$641.45/svc15.77x markup
29827Repair of shoulder rotator cuff using an endoscopeโš  8.2x markup
$23.7K
11 services$2.2K/svc8.23x markup
67950Reconstruction of eyelid marginโš  15.2x markup
$19.0K
28 services$678.98/svc15.24x markup
64721Release and/or relocation of hand nerveโš  13.2x markup
$17.4K
23 services$757.98/svc13.15x markup
67914Suture repair of turning-outward upper or lower eyelid defectโš  24.9x markup
$10.8K
26 services$416.15/svc24.86x markup
67966Removal of over 1/4 of eyelid margin and repair of eyelidโš  14.5x markup
$10.0K
14 services$713.39/svc14.50x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
66984Removal of cataract with insertion of lens, simple1.9K$1.9M$984.8412.50x
66991Extracapsular removal of cataract with insertion of artificial lens and insertion of drainage device in front chamber of eye96$289.1K$3.0K12.77x
66821Removal of recurring cataract in lens capsule using laser980$209.5K$213.8214.09x
0449TInsertion of initial aqueous fluid drainage device into eye66$180.9K$2.7K12.85x
67042Removal of membrane from the retina, pars plana approach with removal of internal limiting membrane of retina86$153.3K$1.8K12.44x
15823Removal of excessive skin and fat of upper eyelid208$120.7K$580.2917.69x
66982Removal of cataract with insertion of lens, complex113$110.9K$981.6312.54x
67039Laser destruction of eye fluid (vitreous) between the lens and retina, focal51$91.4K$1.8K12.37x
67903Shortening or advancement of upper eyelid muscle to correct drooping or paralysis95$64.4K$678.0815.26x
66174Dilation of fluid outflow drainage within eye45$52.6K$1.2K18.97x
0191TInternal insertion of eye fluid drainage device16$42.8K$2.7K12.50x
67036Removal of eye fluid (vitreous) between lens and retina17$30.5K$1.8K12.35x
67113Complex repair of detached retina and drainage of eye fluid between lens and retina16$28.8K$1.8K12.34x
67040Destruction of eye fluid (vitreous) between lens and retina and all of retina using a laser14$25.4K$1.8K12.23x
67904Repair of tendon of upper eyelid39$25.0K$641.4515.77x
29827Repair of shoulder rotator cuff using an endoscope11$23.7K$2.2K8.23x
67950Reconstruction of eyelid margin28$19.0K$678.9815.24x
64721Release and/or relocation of hand nerve23$17.4K$757.9813.15x
67914Suture repair of turning-outward upper or lower eyelid defect26$10.8K$416.1524.86x
67966Removal of over 1/4 of eyelid margin and repair of eyelid14$10.0K$713.3914.50x

Markup Analysis

Charge-to-Payment Ratio

13.07x

This provider submits charges 13.07 times higher than what Medicare actually pays.

What This Means

A markup ratio of 13.07x means for every $100 Medicare pays, this provider initially charges $1307. This is higher than the national average.

Location

San Luis Obispo, 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.

California Medical Surgery Center Llc (you)
$3.4M
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.

Believe this data is inaccurate? Dispute this data