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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. Sona Kamat
๐Ÿฉบ
MDIndividual

Sona Kamat, M.D.

NPI: 1407896129
Saint Louis, MO
10 years of data
Internal Medicine
$20.4M
Total Payments
136
Beneficiaries
599.0K
Services
2.59x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$20.4M
Specialty median$84.0K

๐Ÿ“‹ Key Findings

1Billed $20.4M over 10 years
22.59x markup ratio (above median)
399th percentile in Internal Medicine by payments
4240 services/day โ€” physically implausible
5Payments surged 354% in 2015
610 procedures with >3x markup

โš ๏ธ This provider averages 240 services per working day โ€” physically unusual for an individual practitioner

Based on 599.0K total services over 10 years (250 working days/year). Learn about impossible service volumes โ†’

๐Ÿ”Ž Data Analysis

This provider's $20.4M in total Medicare payments ranks in the 99th percentile of Internal Medicine providers nationally.

Averaging 240 services per working day raises questions about billing patterns.

Medicare payments to this provider grew 7700% 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 354% 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$121.08$57.782.10x$63.30$52.9K9156
2015$124.02$56.222.21x$67.80$239.8K4.3K9
2016$71.28$38.591.85x$32.69$279.0K7.2K13
2017$66.87$37.981.76x$28.89$922.3K24.3K13
2018$71.43$29.652.41x$41.78$619.4K20.9K14
2019$148.60$38.863.82x$109.74$2.2M57.2K14
2020$160.10$41.753.83x$118.35$3.4M80.8K19
2021$68.28$35.251.94x$33.03$2.9M82.8K16
2022$103.96$55.781.86x$48.18$5.6M101.2K15
2023$49.70$18.802.64x$30.90$4.1M219.4K17

Top Procedures (20)

J0129Injection, abatacept, 10 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered)
$6.7M
177.2K services$38.09/svc2.70x markup
J9312Injection, rituximab, 10 mg
$4.7M
68.9K services$67.66/svc2.69x markup
J3241Injection, teprotumumab-trbw, 10 mg
$3.0M
11.9K services$251.75/svc1.59x markup
J1602Injection, golimumab, 1 mg, for intravenous use
$2.9M
221.7K services$13.13/svc2.73x markup
J1745Injection, infliximab, excludes biosimilar, 10 mg
$761.0K
23.1K services$32.93/svc2.73x markup
99214Established patient office or other outpatient visit, 30-39 minutes
$551.4K
7.3K services$75.65/svc2.38x markup
J3262Injection, tocilizumab, 1 mg
$295.5K
63.5K services$4.65/svc2.64x markup
J3357Ustekinumab, for subcutaneous injection, 1 mgโš  3.9x markup
$254.2K
1.7K services$148.65/svc3.85x markup
96413Administration of chemotherapy into vein, 1 hour or lessโš  3.5x markup
$222.1K
2.2K services$101.09/svc3.47x markup
J9310Injection, rituximab, 100 mg
$213.1K
350 services$608.91/svc1.39x markup
96365Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or lessโš  4.7x markup
$179.8K
3.5K services$51.49/svc4.67x markup
99213Established patient office or other outpatient visit, 20-29 minutesโš  3.0x markup
$167.2K
3.0K services$56.59/svc3.02x markup
76881Complete ultrasound scan of jointโš  5.3x markup
$118.3K
2.3K services$52.56/svc5.34x markup
99215Established patient office or other outpatient visit, 40-54 minutes
$99.8K
876 services$113.91/svc2.90x markup
96415Administration of chemotherapy into vein, each additional hourโš  4.8x markup
$64.7K
2.9K services$22.42/svc4.78x markup
99205New patient office or other outpatient visit, typically 60 minutes
$53.1K
357 services$148.61/svc2.51x markup
99204New patient office or other outpatient visit, 45-59 minutesโš  3.4x markup
$43.2K
389 services$111.15/svc3.38x markup
96375Injection of additional new drug or substance into veinโš  6.0x markup
$20.4K
1.6K services$12.57/svc6.04x markup
96372Injection of drug or substance under skin or into muscleโš  3.9x markup
$12.0K
871 services$13.78/svc3.93x markup
J2930Injection, methylprednisolone sodium succinate, up to 125 mgโš  8.5x markup
$4.3K
922 services$4.62/svc8.46x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
J0129Injection, abatacept, 10 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered)177.2K$6.7M$38.092.70x
J9312Injection, rituximab, 10 mg68.9K$4.7M$67.662.69x
J3241Injection, teprotumumab-trbw, 10 mg11.9K$3.0M$251.751.59x
J1602Injection, golimumab, 1 mg, for intravenous use221.7K$2.9M$13.132.73x
J1745Injection, infliximab, excludes biosimilar, 10 mg23.1K$761.0K$32.932.73x
99214Established patient office or other outpatient visit, 30-39 minutes7.3K$551.4K$75.652.38x
J3262Injection, tocilizumab, 1 mg63.5K$295.5K$4.652.64x
J3357Ustekinumab, for subcutaneous injection, 1 mg1.7K$254.2K$148.653.85x
96413Administration of chemotherapy into vein, 1 hour or less2.2K$222.1K$101.093.47x
J9310Injection, rituximab, 100 mg350$213.1K$608.911.39x
96365Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less3.5K$179.8K$51.494.67x
99213Established patient office or other outpatient visit, 20-29 minutes3.0K$167.2K$56.593.02x
76881Complete ultrasound scan of joint2.3K$118.3K$52.565.34x
99215Established patient office or other outpatient visit, 40-54 minutes876$99.8K$113.912.90x
96415Administration of chemotherapy into vein, each additional hour2.9K$64.7K$22.424.78x
99205New patient office or other outpatient visit, typically 60 minutes357$53.1K$148.612.51x
99204New patient office or other outpatient visit, 45-59 minutes389$43.2K$111.153.38x
96375Injection of additional new drug or substance into vein1.6K$20.4K$12.576.04x
96372Injection of drug or substance under skin or into muscle871$12.0K$13.783.93x
J2930Injection, methylprednisolone sodium succinate, up to 125 mg922$4.3K$4.628.46x

Markup Analysis

Charge-to-Payment Ratio

2.59x

This provider submits charges 2.59 times higher than what Medicare actually pays.

What This Means

A markup ratio of 2.59x means for every $100 Medicare pays, this provider initially charges $259. This is higher than the national average.

Location

Saint Louis, MO

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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