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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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Methodology•Download Data
  1. Home
  2. Providers
  3. Puneet Chandak
⚕️
MDIndividual

Puneet Chandak, M.D.

NPI: 1043276900
Fremont, CA
10 years of data
Nuclear Medicine
$25.2M
Total Payments
467
Beneficiaries
339.5K
Services
2.65x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$25.2M
Specialty median$185.4K

📋 Key Findings

1Billed $25.2M over 10 years
22.65x markup ratio (above median)
399th percentile in Nuclear Medicine by payments
4136 services/day — unusually high
5Payments surged 74% in 2016
65 procedures with >3x markup

This provider averages 136 services per working day

Based on 339.5K total services over 10 years (250 working days/year). Learn about impossible service volumes →

🔎 Data Analysis

This provider's $25.2M in total Medicare payments ranks in the 99th percentile of Nuclear Medicine providers nationally.

Averaging 136 services per working day raises questions about billing patterns.

AI-generated analysis based on Medicare payment data.

Annual Medicare Payments

Annual Services Provided

Avg Payment per Service

Markup Ratio Over Time

📈

Notable: Payments increased 74% in 2016

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 — the gap represents the markup.

YearAvg SubmittedAvg PaidMarkup RatioGap per ServiceTotal PaymentsServicesBeneficiaries
2014$198.63$59.303.35x$139.33$2.1M35.4K44
2015$290.32$104.142.79x$186.18$1.1M10.8K32
2016$325.54$119.982.71x$205.56$2.0M16.3K37
2017$340.70$128.032.66x$212.67$2.1M16.1K35
2018$318.84$126.372.52x$192.47$2.5M20.1K30
2019$261.56$104.902.49x$156.66$2.8M26.6K45
2020$175.26$68.872.54x$106.39$3.3M47.9K63
2021$178.41$69.812.56x$108.60$3.4M48.9K66
2022$127.33$49.242.59x$78.09$2.8M56.1K56
2023$133.43$50.992.62x$82.44$3.1M61.3K59

Top Procedures (20)

78492Multiple nuclear medicine studies of blood flow in heart muscle at rest and with stress
$4.0M
2.8K services$1.4K/svc2.47x markup
78815Nuclear medicine study from skull base to mid-thigh with ct scan
$2.8M
1.9K services$1.5K/svc1.82x markup
A9555Rubidium rb-82, diagnostic, per study dose, up to 60 millicuries⚠ 3.7x markup
$2.4M
7.2K services$335.46/svc3.73x markup
78608Nuclear medicine study of brain with metabolic evaluation
$2.4M
1.7K services$1.4K/svc1.90x markup
78431Nuclear medicine studies of blood flow in heart muscle at rest and with stress with concurrent ct scan
$1.4M
834 services$1.7K/svc1.88x markup
78452Nuclear medicine studies of heart muscle at rest and with stress and spect
$990.8K
2.2K services$449.15/svc2.77x markup
A9552Fluorodeoxyglucose f-18 fdg, diagnostic, per study dose, up to 45 millicuries⚠ 4.2x markup
$858.3K
4.1K services$211.67/svc4.16x markup
A9586Florbetapir f18, diagnostic, per study dose, up to 10 millicuries
$746.8K
310 services$2.4K/svc1.58x markup
A9584Iodine 1-123 ioflupane, diagnostic, per study dose, up to 5 millicuries
$740.4K
333 services$2.2K/svc1.64x markup
78814Nuclear medicine study limited area with ct scan⚠ 3.2x markup
$690.1K
440 services$1.6K/svc3.19x markup
78459Single nuclear medicine study of heart muscle with metabolic evaluation
$617.5K
474 services$1.3K/svc2.20x markup
96375Injection of additional new drug or substance into vein
$586.5K
34.0K services$17.25/svc2.91x markup
96374Injection of drug or substance into vein
$526.9K
12.2K services$43.14/svc2.32x markup
Q9983Florbetaben f18, diagnostic, per study dose, up to 8.1 millicuries
$402.2K
152 services$2.6K/svc1.56x markup
J2785Injection, regadenoson, 0.1 mg
$400.8K
8.7K services$46.10/svc2.06x markup
A9502Technetium tc-99m tetrofosmin, diagnostic, per study dose
$382.9K
4.5K services$85.36/svc2.40x markup
93015Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician⚠ 3.2x markup
$303.4K
4.9K services$61.98/svc3.23x markup
74178Ct scan of abdomen and pelvis before and after contrast
$282.5K
852 services$331.56/svc2.41x markup
93925Ultrasound of leg arteries or artery grafts
$221.9K
1.0K services$217.77/svc2.29x markup
93306Ultrasound of heart with color-depicted blood flow, rate, direction and valve function⚠ 3.1x markup
$197.6K
1.1K services$171.95/svc3.13x markup
Show detailed table ▾
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
78492Multiple nuclear medicine studies of blood flow in heart muscle at rest and with stress2.8K$4.0M$1.4K2.47x
78815Nuclear medicine study from skull base to mid-thigh with ct scan1.9K$2.8M$1.5K1.82x
A9555Rubidium rb-82, diagnostic, per study dose, up to 60 millicuries7.2K$2.4M$335.463.73x
78608Nuclear medicine study of brain with metabolic evaluation1.7K$2.4M$1.4K1.90x
78431Nuclear medicine studies of blood flow in heart muscle at rest and with stress with concurrent ct scan834$1.4M$1.7K1.88x
78452Nuclear medicine studies of heart muscle at rest and with stress and spect2.2K$990.8K$449.152.77x
A9552Fluorodeoxyglucose f-18 fdg, diagnostic, per study dose, up to 45 millicuries4.1K$858.3K$211.674.16x
A9586Florbetapir f18, diagnostic, per study dose, up to 10 millicuries310$746.8K$2.4K1.58x
A9584Iodine 1-123 ioflupane, diagnostic, per study dose, up to 5 millicuries333$740.4K$2.2K1.64x
78814Nuclear medicine study limited area with ct scan440$690.1K$1.6K3.19x
78459Single nuclear medicine study of heart muscle with metabolic evaluation474$617.5K$1.3K2.20x
96375Injection of additional new drug or substance into vein34.0K$586.5K$17.252.91x
96374Injection of drug or substance into vein12.2K$526.9K$43.142.32x
Q9983Florbetaben f18, diagnostic, per study dose, up to 8.1 millicuries152$402.2K$2.6K1.56x
J2785Injection, regadenoson, 0.1 mg8.7K$400.8K$46.102.06x
A9502Technetium tc-99m tetrofosmin, diagnostic, per study dose4.5K$382.9K$85.362.40x
93015Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician4.9K$303.4K$61.983.23x
74178Ct scan of abdomen and pelvis before and after contrast852$282.5K$331.562.41x
93925Ultrasound of leg arteries or artery grafts1.0K$221.9K$217.772.29x
93306Ultrasound of heart with color-depicted blood flow, rate, direction and valve function1.1K$197.6K$171.953.13x

Markup Analysis

Charge-to-Payment Ratio

2.65x

This provider submits charges 2.65 times higher than what Medicare actually pays.

What This Means

A markup ratio of 2.65x means for every $100 Medicare pays, this provider initially charges $265. This is higher than the national average.

Location

Fremont, CA

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

  • • 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