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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. Fourth Corner Neurosurgical Associates Inc Ps
๐Ÿ”ช
Organization

Fourth Corner Neurosurgical Associates Inc Ps

NPI: 1275938102
Bellingham, WA
7 years of data
Ambulatory Surgical Center
$3.3M
Total Payments
4.1K
Beneficiaries
5.5K
Services
4.81x
Markup Ratio

Peer Comparison

90th
percentile in specialty
This provider$3.3M
Specialty median$657.1K

๐Ÿ“‹ Key Findings

1Billed $3.3M over 7 years
24.81x markup ratio (above median)
390th percentile in Ambulatory Surgical Center by payments
4Payments surged 61% in 2019
511 procedures with >3x markup
โœ“ No flags detected

๐Ÿ”Ž Data Analysis

This provider's $3.3M in total Medicare payments ranks in the 90th 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 61% in 2019

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
2017$9.6K$3.6K2.66x$6.0K$639.0K657501
2018$4.2K$875.614.79x$3.3K$293.7K752544
2019$5.6K$1.6K3.55x$4.0K$473.7K876601
2020$5.2K$1.5K3.54x$3.8K$506.1K802585
2021$4.8K$1.2K4.17x$3.6K$488.1K834665
2022$5.3K$1.2K4.27x$4.1K$504.5K780630
2023$3.9K$618.486.29x$3.3K$417.4K756601

Top Procedures (17)

63047Partial removal of middle spine bone with release of spinal cord and/or nervesโš  7.4x markup
$617.3K
252 services$2.4K/svc7.38x markup
62323Injection of substance into spinal canal of lower back or sacrum using imaging guidanceโš  5.6x markup
$437.4K
1.6K services$266.73/svc5.62x markup
G0260Injection procedure for sacroiliac joint; provision of anesthetic, steroid and/or other therapeutic agent, with or without arthrographyโš  5.7x markup
$324.6K
1.2K services$261.54/svc5.71x markup
22867Insertion of stabilizing or separating device into lower spine at single level with open decompression
$293.6K
28 services$10.5K/svc2.29x markup
63685Insertion of spinal neurostimulator pulse generator or receiver
$240.7K
12 services$20.1K/svc2.36x markup
64493Injections of lower or sacral spine facet joint using imaging guidanceโš  5.0x markup
$226.0K
689 services$327.97/svc4.96x markup
64483Injections of anesthetic and/or steroid drug into lower or sacral spine nerve root using imaging guidanceโš  4.4x markup
$195.0K
574 services$339.64/svc4.39x markup
22551Fusion of spine bones with removal of disc at upper spinal column, anterior approach, complex
$191.0K
25 services$7.6K/svc2.95x markup
15769Grafting of patient soft tissue, harvested by direct excisionโš  5.2x markup
$190.8K
257 services$742.45/svc5.24x markup
63650Implantation of spinal neurostimulator electrodes, accessed through the skin
$181.0K
46 services$3.9K/svc2.33x markup
63655Implantation of spinal neurostimulator electrodes
$157.5K
12 services$13.1K/svc2.71x markup
64635Destruction of lower or sacral spinal facet joint nerves using imaging guidanceโš  5.2x markup
$113.4K
165 services$687.29/svc5.23x markup
64479Injections of anesthetic and/or steroid drug into upper or middle spine nerve root using imaging guidanceโš  4.5x markup
$52.8K
157 services$336.45/svc4.47x markup
62321Injection of substance into spinal canal of upper or middle back using imaging guidanceโš  5.8x markup
$35.8K
140 services$255.52/svc5.81x markup
20926Tissue graftโš  8.2x markup
$33.2K
55 services$603.64/svc8.19x markup
64490Injections of upper or middle spine facet joint using imaging guidanceโš  5.1x markup
$32.3K
102 services$317.07/svc5.09x markup
C9290Injection, bupivacaine liposome, 1 mg
$59.53
62 services$0.96/svc1.58x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
63047Partial removal of middle spine bone with release of spinal cord and/or nerves252$617.3K$2.4K7.38x
62323Injection of substance into spinal canal of lower back or sacrum using imaging guidance1.6K$437.4K$266.735.62x
G0260Injection procedure for sacroiliac joint; provision of anesthetic, steroid and/or other therapeutic agent, with or without arthrography1.2K$324.6K$261.545.71x
22867Insertion of stabilizing or separating device into lower spine at single level with open decompression28$293.6K$10.5K2.29x
63685Insertion of spinal neurostimulator pulse generator or receiver12$240.7K$20.1K2.36x
64493Injections of lower or sacral spine facet joint using imaging guidance689$226.0K$327.974.96x
64483Injections of anesthetic and/or steroid drug into lower or sacral spine nerve root using imaging guidance574$195.0K$339.644.39x
22551Fusion of spine bones with removal of disc at upper spinal column, anterior approach, complex25$191.0K$7.6K2.95x
15769Grafting of patient soft tissue, harvested by direct excision257$190.8K$742.455.24x
63650Implantation of spinal neurostimulator electrodes, accessed through the skin46$181.0K$3.9K2.33x
63655Implantation of spinal neurostimulator electrodes12$157.5K$13.1K2.71x
64635Destruction of lower or sacral spinal facet joint nerves using imaging guidance165$113.4K$687.295.23x
64479Injections of anesthetic and/or steroid drug into upper or middle spine nerve root using imaging guidance157$52.8K$336.454.47x
62321Injection of substance into spinal canal of upper or middle back using imaging guidance140$35.8K$255.525.81x
20926Tissue graft55$33.2K$603.648.19x
64490Injections of upper or middle spine facet joint using imaging guidance102$32.3K$317.075.09x
C9290Injection, bupivacaine liposome, 1 mg62$59.53$0.961.58x

Markup Analysis

Charge-to-Payment Ratio

4.81x

This provider submits charges 4.81 times higher than what Medicare actually pays.

What This Means

A markup ratio of 4.81x means for every $100 Medicare pays, this provider initially charges $481. This is higher than the national average.

Location

Bellingham, WA

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 WA for peer comparison.

Fourth Corner Neurosurgical Associates Inc Ps (you)
$3.3M
Olympia Orthopaedic Associates Pllc
$38.7M
Show detailed table โ–พ
ProviderLocationTotal PaymentsStatus
Olympia Orthopaedic Associates PllcOlympia, WA$38.7Mโœ“ 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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