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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. Oasis Surgery Center, Lp
๐Ÿ”ช
Organization

Oasis Surgery Center, Lp

NPI: 1255429700
Palmdale, CA
10 years of data
Ambulatory Surgical Center
$4.0M
Total Payments
5.1K
Beneficiaries
7.0K
Services
3.89x
Markup Ratio

Peer Comparison

92th
percentile in specialty
This provider$4.0M
Specialty median$657.1K

๐Ÿ“‹ Key Findings

1Billed $4.0M over 10 years
23.89x markup ratio (above median)
392th percentile in Ambulatory Surgical Center by payments
4Payments surged 87% in 2021
514 procedures with >3x markup
โœ“ No flags detected

๐Ÿ”Ž Data Analysis

This provider's $4.0M in total Medicare payments ranks in the 92th percentile of Ambulatory Surgical Center providers nationally.

This provider's billing patterns fall within normal ranges for their specialty.

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 87% 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
2014$1.9K$582.923.20x$1.3K$497.0K978668
2015$1.8K$577.513.10x$1.2K$478.3K893639
2016$2.1K$649.483.24x$1.5K$464.1K822588
2017$2.1K$686.223.07x$1.4K$474.7K853609
2018$4.6K$2.1K2.21x$2.5K$726.6K821618
2019$2.8K$940.352.95x$1.8K$348.4K624464
2020$1.1K$402.122.75x$703.31$162.4K472350
2021$4.5K$1.3K3.52x$3.2K$303.9K494378
2022$6.1K$1.2K5.24x$4.9K$313.5K512377
2023$5.7K$815.706.98x$4.9K$279.6K561425

Top Procedures (20)

66984Removal of cataract with insertion of lens
$1.1M
1.3K services$863.75/svc2.78x markup
64493Injections of lower or sacral spine facet joint using imaging guidanceโš  5.8x markup
$627.1K
2.4K services$266.62/svc5.77x markup
64635Destruction of lower or sacral spinal facet joint nerves using imaging guidanceโš  4.6x markup
$377.7K
569 services$663.71/svc4.61x markup
27447Repair of knee joint, lower or upper part of joint, inside and outside areaโš  3.7x markup
$276.2K
34 services$8.1K/svc3.69x markup
64490Injections of upper or middle spine facet joint using imaging guidanceโš  6.8x markup
$271.1K
990 services$273.81/svc6.83x markup
29827Repair of shoulder rotator cuff using an endoscope
$234.0K
104 services$2.2K/svc2.50x markup
63685Insertion of spinal neurostimulator pulse generator or receiver
$224.7K
11 services$20.4K/svc1.77x markup
63650Implantation of spinal neurostimulator electrodes, accessed through the skin
$186.8K
46 services$4.1K/svc2.23x markup
64483Injections of anesthetic and/or steroid drug into lower or sacral spine nerve root using imaging guidanceโš  3.9x markup
$115.1K
422 services$272.85/svc3.92x markup
64721Release and/or relocation of median nerve of handโš  4.3x markup
$103.4K
154 services$671.16/svc4.35x markup
23405Incision of shoulder tendonโš  4.2x markup
$67.8K
64 services$1.1K/svc4.23x markup
62323Injection of substance into spinal canal of lower back or sacrum using imaging guidanceโš  4.4x markup
$59.3K
216 services$274.32/svc4.42x markup
29823Extensive removal of shoulder joint tissue using an endoscopeโš  4.2x markup
$59.2K
82 services$721.49/svc4.15x markup
66991Extracapsular removal of cataract with insertion of artificial lens and insertion of drainage device in front chamber of eye
$47.7K
16 services$3.0K/svc2.55x markup
26055Incision of tendon coveringโš  3.2x markup
$46.4K
88 services$527.66/svc3.24x markup
62321Injection of substance into spinal canal of upper or middle back using imaging guidanceโš  4.2x markup
$45.9K
173 services$265.41/svc4.19x markup
29880Removal of both knee cartilages using an endoscopeโš  3.6x markup
$35.1K
33 services$1.1K/svc3.61x markup
62310Injections of substances into upper or middle spine
$32.4K
106 services$305.74/svc2.74x markup
29881Removal of one knee cartilage using an endoscopeโš  3.3x markup
$30.0K
27 services$1.1K/svc3.33x markup
64633Destruction of upper or middle spinal facet joint nerves using imaging guidance, single facet jointโš  12.4x markup
$23.9K
38 services$630.00/svc12.37x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
66984Removal of cataract with insertion of lens1.3K$1.1M$863.752.78x
64493Injections of lower or sacral spine facet joint using imaging guidance2.4K$627.1K$266.625.77x
64635Destruction of lower or sacral spinal facet joint nerves using imaging guidance569$377.7K$663.714.61x
27447Repair of knee joint, lower or upper part of joint, inside and outside area34$276.2K$8.1K3.69x
64490Injections of upper or middle spine facet joint using imaging guidance990$271.1K$273.816.83x
29827Repair of shoulder rotator cuff using an endoscope104$234.0K$2.2K2.50x
63685Insertion of spinal neurostimulator pulse generator or receiver11$224.7K$20.4K1.77x
63650Implantation of spinal neurostimulator electrodes, accessed through the skin46$186.8K$4.1K2.23x
64483Injections of anesthetic and/or steroid drug into lower or sacral spine nerve root using imaging guidance422$115.1K$272.853.92x
64721Release and/or relocation of median nerve of hand154$103.4K$671.164.35x
23405Incision of shoulder tendon64$67.8K$1.1K4.23x
62323Injection of substance into spinal canal of lower back or sacrum using imaging guidance216$59.3K$274.324.42x
29823Extensive removal of shoulder joint tissue using an endoscope82$59.2K$721.494.15x
66991Extracapsular removal of cataract with insertion of artificial lens and insertion of drainage device in front chamber of eye16$47.7K$3.0K2.55x
26055Incision of tendon covering88$46.4K$527.663.24x
62321Injection of substance into spinal canal of upper or middle back using imaging guidance173$45.9K$265.414.19x
29880Removal of both knee cartilages using an endoscope33$35.1K$1.1K3.61x
62310Injections of substances into upper or middle spine106$32.4K$305.742.74x
29881Removal of one knee cartilage using an endoscope27$30.0K$1.1K3.33x
64633Destruction of upper or middle spinal facet joint nerves using imaging guidance, single facet joint38$23.9K$630.0012.37x

Markup Analysis

Charge-to-Payment Ratio

3.89x

This provider submits charges 3.89 times higher than what Medicare actually pays.

What This Means

A markup ratio of 3.89x means for every $100 Medicare pays, this provider initially charges $389. This is higher than the national average.

Location

Palmdale, 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.

Oasis Surgery Center, Lp (you)
$4.0M
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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