OpenMedicare
Start Here
Explore
Fraud
Investigations
Data
Tools
About

Footer

OpenMedicare

Independent Medicare data journalism

Sister Sites

  • OpenMedicaid
  • OpenFeds
  • OpenSpending
  • OpenImmigration
  • OpenCrime
  • OpenLobby
  • VaccineWatch
  • OpenSubsidies
  • WarCosts
  • OpenPrescriber

Explore

  • Providers
  • Procedures
  • States
  • Specialties
  • Search

Fraud Analysis

  • Still Out There (AI)
  • Fraud Overview
  • Fraud Watchlist
  • Deep Dive Profiles
  • Impossible Numbers
  • Report Fraud

Investigations

  • The Algorithm Knows
  • How We Built the Model
  • Internal Medicine Crisis
  • Florida & California Fraud
  • Million Dollar Flagged
  • All Investigations

Tools

  • Provider Lookup
  • Compare
  • Cost Calculator
  • Your Medicare Dollar
  • Downloads

About

  • About OpenMedicare
  • Methodology
  • Glossary
  • Data Sources
  • API Docs
  • Updates
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 · OpenFeds · OpenSpending · OpenImmigration
  • OpenCrime
  • · OpenLobby · VaccineWatch · OpenSubsidies · WarCosts

    © 2026 OpenMedicare. Independent data journalism. Built by TheDataProject.ai

    Methodology•Download Data
    1. Home
    2. Providers
    3. Mehrdad Abbassian
    🧠
    MDIndividual

    Mehrdad Abbassian, M.D.

    NPI: 1871527846
    Westmont, IL
    10 years of data
    Geriatric Psychiatry
    $3.3M
    Total Payments
    13.6K
    Beneficiaries
    40.6K
    Services
    1.86x
    Markup Ratio

    Peer Comparison

    99th
    percentile in specialty
    This provider$3.3M
    Specialty median$66.9K

    📋 Key Findings

    1Billed $3.3M over 10 years
    21.86x markup ratio
    399th percentile in Geriatric Psychiatry by payments
    ✓ No flags detected

    🔎 Data Analysis

    This provider's $3.3M in total Medicare payments ranks in the 99th percentile of Geriatric Psychiatry 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

    Submitted Charges vs. Medicare Payments

    Average per-service amounts submitted by the provider compared to what Medicare actually paid — the gap represents the markup.

    YearAvg SubmittedAvg PaidMarkup RatioGap per ServiceTotal PaymentsServicesBeneficiaries
    2014$140.00$88.811.58x$51.19$432.7K4.9K1.8K
    2015$140.00$85.321.64x$54.68$388.4K4.8K1.8K
    2016$170.13$96.371.77x$73.76$553.5K6.7K2.1K
    2017$165.00$95.821.72x$69.18$527.9K6.5K1.9K
    2018$156.25$92.221.69x$64.03$374.3K4.7K1.6K
    2019$160.14$78.712.03x$81.43$305.7K3.9K1.3K
    2020$169.96$77.892.18x$92.07$209.0K2.7K1.0K
    2021$232.25$87.102.67x$145.15$181.6K2.4K855
    2022$200.00$74.082.70x$125.92$144.2K2.1K605
    2023$200.00$80.672.48x$119.33$154.0K1.9K630

    Top Procedures (13)

    99309Subsequent nursing facility visit, typically 25 minutes per day
    $1.1M
    15.2K services$75.29/svc1.81x markup
    99308Subsequent nursing facility visit, typically 15 minutes per day
    $678.7K
    12.0K services$56.73/svc2.06x markup
    99306Initial nursing facility visit, typically 45 minutes per day
    $597.7K
    4.3K services$138.64/svc1.95x markup
    99233Subsequent hospital inpatient care, typically 35 minutes per day
    $387.5K
    4.5K services$85.36/svc1.79x markup
    99310Subsequent nursing facility visit, typically 35 minutes per day
    $265.3K
    2.4K services$110.94/svc1.42x markup
    99223Initial hospital inpatient care, typically 70 minutes per day
    $57.0K
    343 services$166.24/svc1.64x markup
    99305Initial nursing facility visit, typically 35 minutes per day
    $54.7K
    507 services$107.84/svc1.85x markup
    99232Subsequent hospital inpatient care, typically 25 minutes per day
    $31.2K
    527 services$59.20/svc2.09x markup
    99238Hospital discharge day management, 30 minutes or less
    $25.0K
    422 services$59.30/svc1.69x markup
    90792Psychiatric diagnostic evaluation with medical services
    $14.7K
    130 services$113.20/svc2.21x markup
    99307Subsequent nursing facility visit, typically 10 minutes per day
    $6.8K
    188 services$35.92/svc2.36x markup
    99336Established patient assisted living visit, typically 40 minutes
    $4.1K
    37 services$110.26/svc1.81x markup
    99239Hospital discharge day management, more than 30 minutes
    $3.8K
    43 services$88.04/svc2.64x markup
    Show detailed table ▾
    CodeDescriptionServicesPaymentsAvg/ServiceMarkup
    99309Subsequent nursing facility visit, typically 25 minutes per day15.2K$1.1M$75.291.81x
    99308Subsequent nursing facility visit, typically 15 minutes per day12.0K$678.7K$56.732.06x
    99306Initial nursing facility visit, typically 45 minutes per day4.3K$597.7K$138.641.95x
    99233Subsequent hospital inpatient care, typically 35 minutes per day4.5K$387.5K$85.361.79x
    99310Subsequent nursing facility visit, typically 35 minutes per day2.4K$265.3K$110.941.42x
    99223Initial hospital inpatient care, typically 70 minutes per day343$57.0K$166.241.64x
    99305Initial nursing facility visit, typically 35 minutes per day507$54.7K$107.841.85x
    99232Subsequent hospital inpatient care, typically 25 minutes per day527$31.2K$59.202.09x
    99238Hospital discharge day management, 30 minutes or less422$25.0K$59.301.69x
    90792Psychiatric diagnostic evaluation with medical services130$14.7K$113.202.21x
    99307Subsequent nursing facility visit, typically 10 minutes per day188$6.8K$35.922.36x
    99336Established patient assisted living visit, typically 40 minutes37$4.1K$110.261.81x
    99239Hospital discharge day management, more than 30 minutes43$3.8K$88.042.64x

    Markup Analysis

    Charge-to-Payment Ratio

    1.86x

    This provider submits charges 1.86 times higher than what Medicare actually pays.

    What This Means

    A markup ratio of 1.86x means for every $100 Medicare pays, this provider initially charges $186. This is lower than the national average.

    Location

    Westmont, IL

    Provider Verification

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

    Related

    Browse
    ← Back to Provider Directory
    State
    All providers in IL →
    Specialty
    All Geriatric Psychiatry providers →
    Tool
    Compare this provider →
    Analysis
    Fraud Watchlist →
    Search
    Search all providers →

    Share This Provider

    Share this provider's Medicare payment information

    Share:

    Data Sources

    • • Centers for Medicare & Medicaid Services (CMS)
    • • Medicare Provider Utilization and Payment Data (2014-2023)
    • • 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