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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. Hakan Kaya
๐ŸŽ—๏ธ
MDIndividual

Hakan Kaya, M.D.

NPI: 1255320974
Spokane, WA
10 years of data
Medical Oncology
$3.9M
Total Payments
24.8K
Beneficiaries
71.9K
Services
3.82x
Markup Ratio

Peer Comparison

97th
percentile in specialty
This provider$3.9M
Specialty median$262.8K

๐Ÿ“‹ Key Findings

1Billed $3.9M over 10 years
23.82x markup ratio (above median)
397th percentile in Medical Oncology by payments
4Payments surged 67% in 2015
517 procedures with >3x markup
โœ“ No flags detected

๐Ÿ”Ž Data Analysis

This provider's $3.9M in total Medicare payments ranks in the 97th percentile of Medical Oncology 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 67% in 2015

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$496.25$130.353.81x$365.90$298.0K5.6K1.7K
2015$454.42$121.023.75x$333.40$498.6K8.1K2.5K
2016$474.05$124.263.81x$349.79$499.5K8.3K2.6K
2017$669.41$164.984.06x$504.43$394.8K6.3K2.0K
2018$598.07$134.364.45x$463.71$490.6K8.2K2.8K
2019$495.56$115.564.29x$380.00$451.5K8.3K2.7K
2020$493.14$91.245.40x$401.90$404.3K8.5K3.2K
2021$554.85$106.645.20x$448.21$419.5K6.7K2.6K
2022$222.68$42.265.27x$180.42$212.8K5.2K2.0K
2023$205.27$45.354.53x$159.92$270.3K6.9K2.7K

Top Procedures (20)

J2505Injection, pegfilgrastim, 6 mgโš  4.5x markup
$819.2K
274 services$3.0K/svc4.53x markup
99215Established patient office or other outpatient, visit typically 40 minutesโš  3.0x markup
$686.1K
5.7K services$119.35/svc3.01x markup
99214Established patient office or other outpatient, visit typically 25 minutesโš  3.2x markup
$502.0K
6.1K services$82.49/svc3.22x markup
96413Infusion of chemotherapy into a vein up to 1 hourโš  4.2x markup
$300.8K
2.7K services$111.24/svc4.24x markup
99233Subsequent hospital inpatient care, typically 35 minutes per dayโš  3.3x markup
$227.3K
2.8K services$81.96/svc3.28x markup
J9310Injection, rituximab, 100 mg
$163.5K
268 services$610.07/svc2.94x markup
85025Complete blood cell count (red cells, white blood cell, platelets), automated testโš  4.2x markup
$117.9K
13.1K services$9.03/svc4.15x markup
99219Hospital observation care typically 50 minutes
$117.2K
1.1K services$105.71/svc2.80x markup
99213Established patient office or other outpatient visit, typically 15 minutesโš  3.1x markup
$100.8K
1.8K services$56.87/svc3.11x markup
96401Non-hormonal anti-neoplastic chemotherapy beneath the skin or into muscleโš  3.5x markup
$77.5K
1.3K services$60.54/svc3.46x markup
99205New patient office or other outpatient visit, typically 60 minutesโš  3.2x markup
$72.6K
451 services$160.88/svc3.19x markup
99223Initial hospital inpatient care, typically 70 minutes per dayโš  3.3x markup
$68.3K
439 services$155.55/svc3.27x markup
J3490Unclassified drugs
$66.5K
373 services$178.22/svc1.49x markup
96365Infusion into a vein for therapy, prevention, or diagnosis up to 1 hourโš  4.0x markup
$56.5K
1.1K services$53.74/svc4.04x markup
36415Insertion of needle into vein for collection of blood sampleโš  3.2x markup
$41.2K
11.8K services$3.49/svc3.16x markup
74177CT scan of abdomen and pelvis with contrastโš  4.3x markup
$39.7K
220 services$180.31/svc4.35x markup
38222Bone marrow biopsy and aspirationโš  6.7x markup
$33.3K
534 services$62.27/svc6.65x markup
96417Infusion of different chemotherapy drug or substance into a vein up to 1 hourโš  4.3x markup
$29.9K
557 services$53.74/svc4.32x markup
J9041Injection, bortezomib, 0.1 mgโš  3.6x markup
$29.3K
936 services$31.29/svc3.64x markup
99232Subsequent hospital inpatient care, typically 25 minutes per dayโš  3.3x markup
$29.3K
520 services$56.31/svc3.34x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
J2505Injection, pegfilgrastim, 6 mg274$819.2K$3.0K4.53x
99215Established patient office or other outpatient, visit typically 40 minutes5.7K$686.1K$119.353.01x
99214Established patient office or other outpatient, visit typically 25 minutes6.1K$502.0K$82.493.22x
96413Infusion of chemotherapy into a vein up to 1 hour2.7K$300.8K$111.244.24x
99233Subsequent hospital inpatient care, typically 35 minutes per day2.8K$227.3K$81.963.28x
J9310Injection, rituximab, 100 mg268$163.5K$610.072.94x
85025Complete blood cell count (red cells, white blood cell, platelets), automated test13.1K$117.9K$9.034.15x
99219Hospital observation care typically 50 minutes1.1K$117.2K$105.712.80x
99213Established patient office or other outpatient visit, typically 15 minutes1.8K$100.8K$56.873.11x
96401Non-hormonal anti-neoplastic chemotherapy beneath the skin or into muscle1.3K$77.5K$60.543.46x
99205New patient office or other outpatient visit, typically 60 minutes451$72.6K$160.883.19x
99223Initial hospital inpatient care, typically 70 minutes per day439$68.3K$155.553.27x
J3490Unclassified drugs373$66.5K$178.221.49x
96365Infusion into a vein for therapy, prevention, or diagnosis up to 1 hour1.1K$56.5K$53.744.04x
36415Insertion of needle into vein for collection of blood sample11.8K$41.2K$3.493.16x
74177CT scan of abdomen and pelvis with contrast220$39.7K$180.314.35x
38222Bone marrow biopsy and aspiration534$33.3K$62.276.65x
96417Infusion of different chemotherapy drug or substance into a vein up to 1 hour557$29.9K$53.744.32x
J9041Injection, bortezomib, 0.1 mg936$29.3K$31.293.64x
99232Subsequent hospital inpatient care, typically 25 minutes per day520$29.3K$56.313.34x

Markup Analysis

Charge-to-Payment Ratio

3.82x

This provider submits charges 3.82 times higher than what Medicare actually pays.

What This Means

A markup ratio of 3.82x means for every $100 Medicare pays, this provider initially charges $382. This is higher than the national average.

Location

Spokane, WA

Provider Verification

Always verify provider credentials and location before scheduling appointments. This data reflects Medicare payments and may not include all practice locations.

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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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