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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. Nicholas Maruniak
๐Ÿ”ฌ
MDIndividual

Nicholas Maruniak, MD

NPI: 1235190356
Oxford, FL
10 years of data
Pathology
$32.6M
Total Payments
344
Beneficiaries
832.6K
Services
2.47x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$32.6M
Specialty median$84.1K

๐Ÿ“‹ Key Findings

1Billed $32.6M over 10 years
22.47x markup ratio (above median)
399th percentile in Pathology by payments
4333 services/day โ€” physically implausible
5Payments surged 72% in 2023

โš ๏ธ This provider averages 333 services per working day โ€” physically unusual for an individual practitioner

Based on 832.6K total services over 10 years (250 working days/year). Learn about impossible service volumes โ†’

๐Ÿ”Ž Data Analysis

This provider's $32.6M in total Medicare payments ranks in the 99th percentile of Pathology providers nationally.

Averaging 333 services per working day raises questions about billing patterns.

Medicare payments to this provider grew 178% from 2014 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 72% in 2023

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$381.40$152.632.50x$228.77$2.0M13.0K10
2015$427.72$164.942.59x$262.78$2.3M13.8K10
2016$459.94$168.182.73x$291.76$2.4M14.1K10
2017$114.07$44.022.59x$70.05$2.8M64.7K36
2018$93.31$38.352.43x$54.96$3.9M101.0K38
2019$94.15$33.542.81x$60.61$3.7M111.0K43
2020$79.35$32.862.41x$46.49$3.4M102.4K44
2021$70.68$30.402.33x$40.28$3.4M110.9K46
2022$65.26$28.082.32x$37.18$3.2M114.6K51
2023$65.51$29.562.22x$35.95$5.5M187.1K56

Top Procedures (20)

88120Cell examination of urine, manual
$12.3M
26.3K services$467.77/svc2.58x markup
88112Cell examination of specimen, selective cellular enhancement technique
$4.1M
83.4K services$49.42/svc2.71x markup
G0416Surgical pathology, gross and microscopic examinations, for prostate needle biopsy, any method
$3.8M
11.3K services$331.43/svc2.85x markup
84153Psa (prostate specific antigen) measurement, total
$2.9M
146.3K services$19.66/svc2.09x markup
87798Detection test by nucleic acid for organism, amplified probe technique
$1.5M
43.9K services$33.72/svc2.04x markup
87086Bacterial colony count, urine
$1.2M
135.8K services$8.64/svc2.09x markup
84154Psa (prostate specific antigen) measurement, free
$786.2K
40.3K services$19.51/svc2.09x markup
84403Testosterone (hormone) level, total
$782.9K
28.9K services$27.08/svc2.08x markup
88305Pathology examination of tissue using a microscope, intermediate complexity
$761.9K
14.3K services$53.43/svc2.63x markup
87186Evaluation of antimicrobial drug (antibiotic, antifungal, antiviral), microdilution or agar dilution
$702.8K
75.9K services$9.26/svc2.10x markup
87077Bacterial culture for aerobic isolates
$668.4K
77.3K services$8.64/svc2.09x markup
88307Pathology examination of tissue using a microscope, moderately high complexity
$519.3K
2.4K services$216.63/svc2.60x markup
87481Detection test for candida species (yeast), amplified probe technique
$280.0K
8.2K services$34.36/svc2.04x markup
80053Blood test, comprehensive group of blood chemicals
$195.7K
18.0K services$10.88/svc2.10x markup
80048Blood test, basic group of blood chemicals (calcium, total)
$162.1K
18.1K services$8.96/svc2.09x markup
87556Detection test by nucleic acid for mycobacteria tuberculosis (tb bacteria), amplified probe technique
$143.6K
3.5K services$40.77/svc2.04x markup
82670Measurement of total estradiol (hormone)
$130.3K
4.6K services$28.36/svc2.10x markup
87640Detection test by nucleic acid for staphylococcus aureus (bacteria), amplified probe technique
$122.6K
3.6K services$34.33/svc2.04x markup
87651Detection test by nucleic acid for strep (streptococcus, group a), amplified probe technique
$120.7K
3.5K services$34.33/svc2.04x markup
87653Detection test by nucleic acid for strep (streptococcus, group b), amplified probe technique
$120.4K
3.5K services$34.33/svc2.04x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
88120Cell examination of urine, manual26.3K$12.3M$467.772.58x
88112Cell examination of specimen, selective cellular enhancement technique83.4K$4.1M$49.422.71x
G0416Surgical pathology, gross and microscopic examinations, for prostate needle biopsy, any method11.3K$3.8M$331.432.85x
84153Psa (prostate specific antigen) measurement, total146.3K$2.9M$19.662.09x
87798Detection test by nucleic acid for organism, amplified probe technique43.9K$1.5M$33.722.04x
87086Bacterial colony count, urine135.8K$1.2M$8.642.09x
84154Psa (prostate specific antigen) measurement, free40.3K$786.2K$19.512.09x
84403Testosterone (hormone) level, total28.9K$782.9K$27.082.08x
88305Pathology examination of tissue using a microscope, intermediate complexity14.3K$761.9K$53.432.63x
87186Evaluation of antimicrobial drug (antibiotic, antifungal, antiviral), microdilution or agar dilution75.9K$702.8K$9.262.10x
87077Bacterial culture for aerobic isolates77.3K$668.4K$8.642.09x
88307Pathology examination of tissue using a microscope, moderately high complexity2.4K$519.3K$216.632.60x
87481Detection test for candida species (yeast), amplified probe technique8.2K$280.0K$34.362.04x
80053Blood test, comprehensive group of blood chemicals18.0K$195.7K$10.882.10x
80048Blood test, basic group of blood chemicals (calcium, total)18.1K$162.1K$8.962.09x
87556Detection test by nucleic acid for mycobacteria tuberculosis (tb bacteria), amplified probe technique3.5K$143.6K$40.772.04x
82670Measurement of total estradiol (hormone)4.6K$130.3K$28.362.10x
87640Detection test by nucleic acid for staphylococcus aureus (bacteria), amplified probe technique3.6K$122.6K$34.332.04x
87651Detection test by nucleic acid for strep (streptococcus, group a), amplified probe technique3.5K$120.7K$34.332.04x
87653Detection test by nucleic acid for strep (streptococcus, group b), amplified probe technique3.5K$120.4K$34.332.04x

Markup Analysis

Charge-to-Payment Ratio

2.47x

This provider submits charges 2.47 times higher than what Medicare actually pays.

What This Means

A markup ratio of 2.47x means for every $100 Medicare pays, this provider initially charges $247. This is higher than the national average.

Location

Oxford, FL

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 Pathology providers in FL for peer comparison.

Nicholas Maruniak (you)
$32.6M
Ryan Olson, MDโš ๏ธ
$54.3M
Wilfredo Blasini, M.D.โš ๏ธ
$35.8M
Show detailed table โ–พ
ProviderLocationTotal PaymentsStatus
Ryan Olson, MDFort Myers, FL$54.3Mโš ๏ธ Flagged
Wilfredo Blasini, M.D.Fort Myers, FL$35.8Mโš ๏ธ Flagged

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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