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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. Saima Chohan
⚕️
MDIndividual

Saima Chohan, MD

NPI: 1073675526
Phoenix, AZ
10 years of data
Rheumatology
$22.7M
Total Payments
493
Beneficiaries
1.8M
Services
2.46x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$22.7M
Specialty median$352.6K

📋 Key Findings

1Billed $22.7M over 10 years
22.46x markup ratio (above median)
399th percentile in Rheumatology by payments
4722 services/day — physically implausible
5Payments surged 98% in 2015
65 procedures with >3x markup

⚠️ This provider averages 722 services per working day — physically unusual for an individual practitioner

Based on 1.8M total services over 10 years (250 working days/year). Learn about impossible service volumes →

🔎 Data Analysis

This provider's $22.7M in total Medicare payments ranks in the 99th percentile of Rheumatology providers nationally.

Averaging 722 services per working day raises questions about billing patterns.

Medicare payments to this provider grew 1140% 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

📈

Notable: Payments increased 98% 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 — the gap represents the markup.

YearAvg SubmittedAvg PaidMarkup RatioGap per ServiceTotal PaymentsServicesBeneficiaries
2014$75.64$29.382.57x$46.26$283.5K9.6K40
2015$73.90$32.542.27x$41.36$561.4K17.3K43
2016$42.41$19.072.22x$23.34$1.0M53.4K52
2017$43.23$20.302.13x$22.93$1.5M72.9K51
2018$32.33$14.342.25x$17.99$2.3M163.8K50
2019$29.85$12.612.37x$17.24$2.8M223.1K55
2020$31.10$12.752.44x$18.35$3.5M277.2K51
2021$27.13$10.852.50x$16.28$3.6M329.2K56
2022$28.45$10.752.65x$17.70$3.6M336.8K48
2023$29.40$10.942.69x$18.46$3.5M321.5K47

Top Procedures (20)

J1602Injection, golimumab, 1 mg, for intravenous use⚠ 3.7x markup
$3.2M
236.9K services$13.45/svc3.71x markup
J0897Injection, denosumab, 1 mg
$3.0M
191.8K services$15.89/svc2.64x markup
J1745Injection, infliximab, excludes biosimilar, 10 mg
$3.0M
53.2K services$56.77/svc2.12x markup
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)
$2.7M
71.6K services$38.26/svc1.90x markup
J3262Injection, tocilizumab, 1 mg
$1.9M
458.6K services$4.04/svc1.67x markup
J0717Injection, certolizumab pegol, 1 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)
$1.4M
246.6K services$5.51/svc2.18x markup
J9312Injection, rituximab, 10 mg
$1.2M
17.6K services$70.22/svc1.88x markup
J3111Injection, romosozumab-aqqg, 1 mg
$1.1M
140.3K services$7.53/svc1.34x markup
Q5104Injection, infliximab-abda, biosimilar, (renflexis), 10 mg⚠ 3.2x markup
$773.1K
20.9K services$36.99/svc3.23x markup
99214Established patient office or other outpatient visit, 30-39 minutes
$719.4K
8.7K services$82.64/svc2.13x markup
99215Established patient office or other outpatient visit, 40-54 minutes
$447.8K
4.0K services$112.81/svc2.08x markup
J7328Hyaluronan or derivative, gelsyn-3, for intra-articular injection, 0.1 mg
$373.1K
225.2K services$1.66/svc1.83x markup
96413Administration of chemotherapy into vein, 1 hour or less⚠ 3.3x markup
$315.0K
3.1K services$101.73/svc3.34x markup
20611Aspiration and/or injection of fluid large joint using ultrasound guidance⚠ 3.1x markup
$299.4K
4.2K services$71.62/svc3.06x markup
J9310Injection, rituximab, 100 mg
$263.9K
383 services$688.95/svc1.75x markup
99205New patient office or other outpatient visit, 60-74 minutes
$213.0K
1.4K services$152.15/svc2.18x markup
96365Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less⚠ 3.2x markup
$155.3K
2.9K services$52.76/svc3.23x markup
Q5103Injection, infliximab-dyyb, biosimilar, (inflectra), 10 mg
$151.6K
3.9K services$39.18/svc2.50x markup
J7323Hyaluronan or derivative, euflexxa, for intra-articular injection, per dose
$144.4K
1.2K services$120.44/svc1.91x markup
80053Blood test, comprehensive group of blood chemicals
$129.1K
11.4K services$11.31/svc1.95x markup
Show detailed table ▾
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
J1602Injection, golimumab, 1 mg, for intravenous use236.9K$3.2M$13.453.71x
J0897Injection, denosumab, 1 mg191.8K$3.0M$15.892.64x
J1745Injection, infliximab, excludes biosimilar, 10 mg53.2K$3.0M$56.772.12x
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)71.6K$2.7M$38.261.90x
J3262Injection, tocilizumab, 1 mg458.6K$1.9M$4.041.67x
J0717Injection, certolizumab pegol, 1 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)246.6K$1.4M$5.512.18x
J9312Injection, rituximab, 10 mg17.6K$1.2M$70.221.88x
J3111Injection, romosozumab-aqqg, 1 mg140.3K$1.1M$7.531.34x
Q5104Injection, infliximab-abda, biosimilar, (renflexis), 10 mg20.9K$773.1K$36.993.23x
99214Established patient office or other outpatient visit, 30-39 minutes8.7K$719.4K$82.642.13x
99215Established patient office or other outpatient visit, 40-54 minutes4.0K$447.8K$112.812.08x
J7328Hyaluronan or derivative, gelsyn-3, for intra-articular injection, 0.1 mg225.2K$373.1K$1.661.83x
96413Administration of chemotherapy into vein, 1 hour or less3.1K$315.0K$101.733.34x
20611Aspiration and/or injection of fluid large joint using ultrasound guidance4.2K$299.4K$71.623.06x
J9310Injection, rituximab, 100 mg383$263.9K$688.951.75x
99205New patient office or other outpatient visit, 60-74 minutes1.4K$213.0K$152.152.18x
96365Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less2.9K$155.3K$52.763.23x
Q5103Injection, infliximab-dyyb, biosimilar, (inflectra), 10 mg3.9K$151.6K$39.182.50x
J7323Hyaluronan or derivative, euflexxa, for intra-articular injection, per dose1.2K$144.4K$120.441.91x
80053Blood test, comprehensive group of blood chemicals11.4K$129.1K$11.311.95x

Markup Analysis

Charge-to-Payment Ratio

2.46x

This provider submits charges 2.46 times higher than what Medicare actually pays.

What This Means

A markup ratio of 2.46x means for every $100 Medicare pays, this provider initially charges $246. This is higher than the national average.

Location

Phoenix, AZ

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 Rheumatology providers in AZ for peer comparison.

Saima Chohan (you)
$22.7M
Joy Schechtman, DO
$45.2M
Ravi Bhalla, M.D.
$34.3M
Show detailed table ▾
ProviderLocationTotal PaymentsStatus
Joy Schechtman, DOPeoria, AZ$45.2M✓ Clear
Ravi Bhalla, M.D.Peoria, AZ$34.3M✓ Clear

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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