Medicare Enrolled

Dr. Joehar Hamdan, DO

Hematology & Oncology · Frankfort, IL
Practice pattern: Clinical Cardiology — Primarily office-based clinical cardiology
23120 S LAGRANGE RD, Frankfort, IL 60423
8154645440
Registered in NPPES since 2007
NPI: 1508062159 verify on NPPES ↗
Very High
DATA COVERAGE
Data in 4 of 4 federal sources
Measures public federal data availability — not provider quality
Informational, not a quality rating. This page presents federal public records about Dr. Hamdan from CMS (NPPES, Open Payments, Medicare Provider Utilization, PECOS). It is not medical advice, an endorsement, or a judgment of clinical quality. Always consult the provider directly and a licensed clinician for medical decisions. Read methodology →
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What this data tells you about Dr. Hamdan

Dr. Joehar Hamdan is a hematology & oncology specialist in Frankfort, IL, with 19 years of NPI registration. Based on federal Medicare data, Dr. Hamdan performed 1,253 Medicare services in 2023. These records do not provide a deduplicated patient total.

Between the years covered by Open Payments, Dr. Hamdan received a total of $6,186 from 64 pharmaceutical and/or device companies across 282 payment records. A record can group multiple payments. These transfers are publicly reported through CMS Open Payments. Disclosure alone does not establish their effect on care. A reliable breakdown by payment category is not available in this snapshot. Patients may wish to discuss these relationships with their provider.

The Data Coverage level for Dr. Hamdan is Very High — reflecting how much public federal data is available about this provider. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.

✓ 19 years of NPI registration ▲ Top 47% volume in IL $6,186 industry payments

Medicare Practice Summary — 2023

Medicare Utilization ↗
1,253
Medicare services
Top 47% in IL for hematology & oncology
Not available
Unique patients (not deduplicated)
$79
Avg. Medicare payment
Medicare patients only (65+ / disabled) · How to read this →

Top procedures by volume

Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.

Procedure Volume Avg. paid Avg. submitted
Office visit, established patient (30-39 min)
A follow-up office visit for an existing patient lasting between 30 and 39 minutes. The visit involves medical evaluation and management of the patient's condition.
729 $75 $198
Office visit, established patient (20-29 min)
An office visit for an existing patient lasting between 20 and 29 minutes. The visit involves medical evaluation and management of the patient's condition.
222 $50 $135
Office visit, established patient, complex (40-54 min)
An office or outpatient visit for an existing patient lasting between 40 and 54 minutes. This level of service is determined by the total time spent on the date of the encounter.
196 $113 $267
New patient office visit, complex (60-74 min) 51 $141 $386
New patient office visit (45-59 min)
An initial office visit for a new patient lasting between 45 and 59 minutes. This code covers the total time spent by the physician or qualified healthcare professional on the date of the encounter.
32 $105 $306
Telephone medical discussion, 5-10 minutes
A phone conversation with a physician lasting between 5 and 10 minutes to discuss medical matters.
23 $29 $81
How to read this data: This reflects Medicare patients only (typically 65+). Payment amounts are what Medicare paid the provider, not your out-of-pocket cost. These counts do not measure clinical quality or years of experience.

Industry Payment Transparency

Open Payments through 2024 ↗
$6,186
Total received (2018-2024)
Avg $884/year across 7 years
Top 38% in IL for hematology & oncology
A higher payment rank reflects disclosed industry relationships (consulting, research, speaking) common among subspecialists — not wrongdoing.
64
Companies
282
Payment records
Payments are publicly reported; disclosure does not establish legality · Not evidence of wrongdoing · How to interpret →

Payment categories are unavailable while the source breakdown is being rebuilt. Company and year totals do not identify how much belongs to each category.

Payment trend by year

Annual totals from pharmaceutical and medical device companies.

2024
$1,153
2023
$1,250
2022
$820
2021
$725
2020
$772
2019
$811
2018
$655

Payments by company (2024)

Novartis Pharmaceuticals Corporation
$189
Janssen Biotech, Inc.
$132
PFIZER INC.
$121
Lilly USA, LLC
$110
Merck Sharp & Dohme LLC
$62
ABBVIE INC.
$57
E.R. Squibb & Sons, L.L.C.
$51
Takeda Pharmaceuticals U.S.A., Inc.
$49
Daiichi Sankyo Inc.
$45
AstraZeneca Pharmaceuticals LP
$38
Inspire Medical Systems, Inc.
$35
Regeneron Healthcare Solutions, Inc.
$31
GENZYME CORPORATION
$29
Astellas Pharma US Inc
$27
Pharmacosmos Therapeutics Inc.
$25
Eisai Inc.
$24
Exact Sciences Corporation
$23
Genentech USA, Inc.
$22
Sumitomo Pharma America, Inc.
$19
Aveo Pharmaceuticals, Inc.
$18
ADC Therapeutics America, Inc.
$17
Mirati Therapeutics, Inc.
$15
GlaxoSmithKline, LLC.
$14
Top 3 companies account for 38.4% of 2024 payments
All-time payments by company (2018-2024) ›
Novartis Pharmaceuticals Corporation
$430
PFIZER INC.
$429
Lilly USA, LLC
$421
Janssen Biotech, Inc.
$401
E.R. Squibb & Sons, L.L.C.
$344
Pharmacyclics LLC, An AbbVie Company
$259
Genentech USA, Inc.
$237
AstraZeneca Pharmaceuticals LP
$236
Astellas Pharma US Inc
$211
SANOFI-AVENTIS U.S. LLC
$199
Celgene Corporation
$157
Amgen Inc.
$148
Incyte Corporation
$147
Gilead Sciences, Inc.
$146
Eisai Inc.
$129
Janssen Pharmaceuticals, Inc
$128
Merck Sharp & Dohme Corporation
$125
Daiichi Sankyo Inc.
$119
GENZYME CORPORATION
$97
Seagen Inc.
$93
Takeda Pharmaceuticals U.S.A., Inc.
$92
ABBVIE INC.
$89
Merck Sharp & Dohme LLC
$84
Boehringer Ingelheim Pharmaceuticals, Inc.
$82
Novo Nordisk Inc
$78
GlaxoSmithKline, LLC.
$71
Rigel Pharmaceuticals, Inc.
$67
G1 Therapeutics, Inc.
$64
ADC Therapeutics America, Inc.
$61
Bayer HealthCare Pharmaceuticals Inc.
$57
Ipsen Biopharmaceuticals, Inc
$56
Exelixis Inc.
$54
Pharmacosmos Therapeutics Inc.
$49
TESARO, Inc.
$48
EISAI INC.
$47
Sumitomo Pharma America, Inc.
$45
Myriad Genetic Laboratories, Inc.
$43
Kyowa Kirin, Inc.
$41
Mirati Therapeutics, Inc.
$39
Karyopharm Therapeutics Inc.
$39
Epizyme, Inc.,
$38
Bayer Healthcare Pharmaceuticals Inc.
$36
Inspire Medical Systems, Inc.
$35
Regeneron Healthcare Solutions, Inc.
$31
IDORSIA PHARMACEUTICALS US INC
$31
Medtronic USA, Inc.
$25
Pharmacyclics LLC, an AbbVie Company
$24
AbbVie Inc.
$23
Exact Sciences Corporation
$23
AVEO Pharmaceuticals, Inc.
$22
TAIHO ONCOLOGY, INC.
$21
Myovant Sciences Inc.
$19
JAZZ PHARMACEUTICALS INC.
$19
EUSA Pharma (US) LLC
$19
Kite Pharma, Inc.
$19
Global Blood Therapeutics, Inc.
$18
Aveo Pharmaceuticals, Inc.
$18
Dendreon Pharmaceuticals LLC
$18
Alexion Pharmaceuticals, Inc.
$17
Immunomedics, Inc.
$16
Advanced Accelerator Applications
$15
AMAG Pharmaceuticals, Inc.
$13
Verastem, Inc.
$12
Sysmex Inostics Inc
$11
Top 3 companies account for 20.7% of all-time payments
Associated products mentioned in payments ›
AFINITOR · ALIMTA · ALUNBRIG · Alecensa · Aranesp · Avastin · BRAFTOVI · CABLIVI · CABOMETYX · CALQUENCE · COSELA · CYRAMZA · Cabometyx · Cologuard Collection Kit · Copiktra · DARZALEX · ELIQUIS · ELITEK · EMPLICITI · Enhertu · Erleada · FARESTON · FERAHEME · FOTIVDA · GILOTRIF · IBRANCE · IMBRUVICA · IMFINZI · INJECTAFER · INLYTA · INREBIC · INSPIRE · IRESSA · Imbruvica · JADENU · JAKAFI · JARDIANCE · JEVTANA · KEYTRUDA · KISQALI · KRAZATI · Kyprolis · LIBTAYO · LONSURF · LUMAKRAS · LUTATHERA · LYNPARZA · Lenvima · Lutathera · MONJUVI · MONOFERRIC · MOUNJARO · NINLARO · Neulasta · Nubeqa · OJJAARA · ONUREG · OPDIVO · OPDUALAG · ORGOVYX · OSTEOCOOL RF ABLATION · OXBRYTA · PADCEV · PIQRAY · PLUVICTO · PROMACTA · PROVENGE · Padcev · Polivy · Pomalyst · QUVIVIQ · REBLOZYL · RYBREVANT · Revlimid · SANCUSO · SCEMBLIX · SPRYCEL · SUTENT · Saxenda · Somatuline Depot · Stivarga · Sylvant · TAZVERIK · TECENTRIQ · TUKYSA · Tavalisse · Trodelvy · ULTOMIRIS · VENCLEXTA · VERZENIO · Wegovy · XARELTO · XPOVIO · XTANDI · Yescarta · ZEJULA · ZEPZELCA · myRisk
Should you be concerned? Industry payments are disclosed through CMS Open Payments. Disclosure alone does not establish their purpose, legality, or effect on care. What matters is whether a recommended drug or device appears in your doctor's payment records. If so, consider asking your doctor about it. How to interpret this data →
Looking for a hematology & oncology specialist in Frankfort?
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Geographic Context

Hematology & oncology specialists in nearby ZIP areas
141
County median income
$107,799
Nearest hospital to ZIP centroid (approximate)
SILVER CROSS HOSPITAL AND MEDICAL CENTERS
6.6 mi

Data Sources

Provider Registry NPPES NPPES snapshot; verify current record
Medicare Enrollment PECOS PECOS snapshot
Practice Data Medicare Util. Annual (CY lag)
Industry Payments Open Payments CY 2024
Disciplinary History — Not included N/A

This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This reflects how much public data is available about a provider. How we calculate this →

Summary

Dr. Hamdan is a clinical cardiology specialist, with moderate Medicare volume, with 19 years of NPI registration.

This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →

Frequently Asked Questions

Is Dr. Hamdan experienced with office visit, established patient (30-39 min)?
Based on Medicare claims data, Dr. Hamdan performed 729 office visit, established patient (30-39 min) services. These records cover Medicare fee-for-service activity, including eligible younger beneficiaries; they do not measure total practice volume or clinical quality.
Does Dr. Hamdan receive payments from pharmaceutical companies?
Yes. Dr. Hamdan received a total of $6,186 from 64 companies across 282 payment records. A record can group multiple payments. These transfers are publicly disclosed through CMS Open Payments. Disclosure alone does not establish their legality or effect on care. Patients may wish to ask their doctor about these relationships, especially if a recommended drug or device appears in the payment records.
How do Dr. Hamdan's costs compare to other hematology & oncology specialists in Frankfort?
Dr. Hamdan's average Medicare payment per service is $79. Note that these figures represent what Medicare pays, not your out-of-pocket cost, which depends on your specific insurance plan and deductible. Procedure-level data above shows both what was submitted and what Medicare paid for each service type.
What does Data Coverage mean?
Data Coverage (currently Very High for Dr. Hamdan) measures how much public federal data is available about a provider. It is not a quality rating. A "Very High" or "High" level means the provider has data across multiple federal sources (NPPES, PECOS, Medicare Utilization, Open Payments), indicating the presence of registry, enrollment, activity or payment records, not verified experience or clinical quality. A "Low" or "Moderate" level may simply mean the provider is newer, does not see Medicare patients, or has not received any industry payments — none of which are inherently negative. Read our full methodology →
Is this data up to date?
Source publication dates and the snapshots loaded on this site can differ. Rebuilding a page does not refresh its source records. Check the Medicare reporting year and the payment interval shown above; consult the linked official sources for newer releases and current registry details. See our data freshness policy →
About this page

This page combines public CMS records with calculated summaries and explanatory procedure labels. These transformations are not verbatim federal records. Sources: NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.

This page is not medical advice, an endorsement, a recommendation, or a quality rating. Data Coverage reflects data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.

Provider corrections: Provider portal · Privacy questions: Privacy Policy · Terms: Terms of Use · Methodology: Methodology

Data Disclaimer — Data sourced from the Centers for Medicare & Medicaid Services (CMS): National Plan and Provider Enumeration System (NPPES), Open Payments program, Medicare Provider Utilization and Payment Data, and Provider Enrollment & Certification data (PECOS). Published under the Freedom of Information Act (FOIA). This website is not affiliated with, endorsed by, or authorized by CMS, HHS, or the U.S. Government. Data may contain errors as reported to CMS by providers and reporting entities. Industry payment disclosure alone establishes neither wrongdoing nor legality. Medicare data reflects only patients aged 65+ or those with qualifying disabilities. For corrections, contact CMS directly. This information does not constitute medical advice and should not be used as the sole basis for choosing a healthcare provider. Procedure descriptions use plain language and do not reference CPT® codes, which are copyrighted by the American Medical Association. Full methodology → · Report a data error → · Privacy policy →