Dr. Richard S. Siegel, MD

  • Arlington Heights, IL
  • Hematologist and oncologist
NPI1730176322PAC ID8921011982
Medicare services, 2024
63,685
Medicare patients, 2024
778
Part D claims, 2024
970
Publications
1
Clinical trials
9
Practice address
880 W Central Rd, Arlington Heights, IL 60005
Practice phone
Call (847) 827-9060
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Illinois Cancer Specialists

Arlington Heights, Illinois

See all 7 affiliations

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Dr. Richard S. Siegel is a hematologist and oncologist in Arlington Heights, Illinois

Dr. Siegel practices at Illinois Cancer Specialists in Arlington Heights, Illinois.

Dr. Siegel's NPI, 1730176322, was assigned on September 29, 2005. Dr. Siegel graduated from University of Michigan Medical School in 1993. Dr. Siegel holds Illinois license 036093052.

NPI and contact details
Medicare PAC ID
8921011982
NPI enumeration date
September 29, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(847) 827-9060
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
59
Medical school graduation
1993

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Richard S. Siegel practices at Illinois Cancer Specialists in Arlington Heights, Illinois

Dr. Siegel's primary practice is Illinois Cancer Specialists, at 880 W Central Rd, Arlington Heights, IL 60005 in Cook County. The practice phone is (847) 827-9060.

  • Illinois Cancer Specialists
    880 W Central Rd, Arlington Heights, IL 60005 · Cook CountyPhone(847) 827-9060

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Richard S. Siegel is affiliated with 6 sites of care and 1 medical group

Dr. Siegel's primary practice is Illinois Cancer Specialists in Arlington Heights, Illinois. Dr. Siegel is also affiliated with Northwest Community Hospital. The medical group on file is Illinois Cancer Specialists. Dmand AI also links Dr. Siegel to 2 more hospitals, 1 group practice or clinic and 1 home health agency, each named with a free account.

See all 7 affiliations for Dr. Siegel

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Richard S. Siegel's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Siegel practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Illinois Cancer SpecialistsAvailable with a free account
+5 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Richard S. Siegel is one of 563 hematologists and oncologists in Illinois

Hematology and oncology is Dr. Siegel's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Siegel is licensed in Illinois.

Specialties and state licenses

  • Hematology and oncology, IllinoisPrimaryLicense 036093052 · taxonomy 207RH0003X

Hematologists and oncologists near Dr. Siegel

Counts of hematologists and oncologists with a Dmand AI profile, by place and practice. Each opens the list.

563hematologists and oncologists in Illinois
6hematologists and oncologists in Arlington Heights

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Richard S. Siegel billed Medicare for 63,685 services in 2024

CMS data shows 63,685 Medicare services from Dr. Siegel across 55 procedure codes in 2024, for 778 Medicare patients. Medicare paid $971,572 for them.

Medicare services, 202463,685
Medicare patients778
Paid by Medicare$971,572
Procedure codes55

Dr. Siegel's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Drugs given in the office
2023: 75,6852024: 52,46031%
Lab and pathology
2023: 4,6142024: 3,91215%
Tests and treatments
2023: 2,8672024: 2,40516%
Office and hospital visits
2023: 1,8252024: 1,7594%
Surgery
2023: 1,7322024: 1,7451%
Other services
2023: 2172024: 1,404547%

Where Dr. Siegel's Medicare services took place, 2024

  • In an office63,26099%
  • In a facility4251%

Dr. Siegel compared with the Illinois median for hematologists and oncologists, 2024

  • Dr. Siegel
  • Illinois median
Medicare services
63,685vs 1,05660.3 times
Medicare patients
778vs 2822.8 times
Part D claims
820vs 3282.5 times

Medians across 547 hematologists and oncologists in Illinois with Dmand AI profiles that report each measure.

Dr. Siegel's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Siegel

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Richard S. Siegel treated 778 Medicare patients in 2024, average age 77

CMS counts 778 Medicare patients who saw Dr. Siegel in 2024. The largest group is 75 to 84, with 326 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 5% are also on Medicaid. Their average risk score is 1.75, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Siegel's median patient age at 75, with 53% women.

Medicare patients, 2024778
Average age77
Average risk score1.75
Also on Medicaid5%

Dr. Siegel's Medicare patients by age, 2024

Dr. Siegel's Medicare patients by sex, 2024

  • Women42454%
  • Men35446%

Chronic conditions among Dr. Siegel's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis54%
  4. Cancer51%
  5. Ischemic heart disease36%
  6. Chronic kidney disease26%
  7. Diabetes26%
  8. Atrial fibrillation23%

Share of Medicare patients with each condition. A patient can have several.

Dr. Siegel's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 75

Patient panel by sex, all payers

  • Women53%
  • Men46%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Richard S. Siegel wrote 970 Medicare Part D claims in 2024

In 2024, Dr. Siegel wrote 970 Medicare Part D claims for 218 patients. 84% of them were for generic drugs. CMS names the drug for 820 of them, across 29 drugs with 11 or more claims each, at $386,505 in total drug cost. In 2023, CMS named 842 claims across 25 drugs.

Part D claims, 2024970
Drugs named by CMS29
Total drug cost$386,505
Part D patients218

Dr. Siegel's Part D claims by kind of drug, 2024

  • Generic818 claims84%
  • Brand-name152 claims16%

Dr. Siegel's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Siegel's Part D claims, 2024

  • Opioids4%37 of 970 claims
  • Antibiotics4%35 of 970 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 8422024: 8203%

Drugs named by CMS: 29 in 2024, 25 in 2023.

See all prescribing by Dr. Siegel

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Dr. Richard S. Siegel takes part in Medicare

Dr. Siegel accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Richard S. Siegel has 1 publication on record

Dmand AI links 1 paper to Dr. Siegel in 2020. Dr. Siegel's most frequent co-authors are Michael Broder, MD, Renuka V. Iyer, MD and Bela Kis, MD, PhD.

Papers1

Dr. Siegel's most frequent co-authors

Recent publications by Dr. Siegel

See all 1 publications and co-authors

See who Dr. Siegel researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Siegel works with, so you can find a warm path to the right hematologists and oncologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Richard S. Siegel has worked on 9 clinical trials

Dmand AI links Dr. Siegel to 9 clinical trials, 4 of them phase 3 studies. 2 are still active or recruiting. Conditions studied include Pancreatic Neoplasms, Rectal Diseases and Colonic Neoplasms.

Clinical trials with Dr. Siegel by phase

  1. 1Phase 1: 1 trial
  2. 1Phase 2: 1 trial
  3. 1Phase 2/3: 1 trial
  4. 4Phase 3: 4 trials
  5. NonePhase 4: no trials

Conditions in Dr. Siegel's trials

  • Pancreatic Neoplasms
  • Rectal Diseases
  • Colonic Neoplasms
  • Melanoma
  • Stomach Neoplasms

Investigators on the most trials with Dr. Siegel

Recent clinical trials with Dr. Siegel

See all 9 clinical trials and co-investigators

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Richard S. Siegel received $11,137 in industry payments from 2016 to 2025

CMS Open Payments shows 506 general payments to Dr. Siegel from 59 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 86% of the total. Novartis Pharmaceuticals Corporation paid the most, $1,738.

General payments to Dr. Siegel by program year, 2016 to 2025

General payments to Dr. Siegel by kind, 2016 to 2025

$11.1Kin total
  • Food and beverage$9,60986%
  • Education$1,52814%

Companies that paid Dr. Siegel the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Siegel

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Richard S. Siegel graduated from University of Michigan Medical School

Dr. Siegel graduated from University of Michigan Medical School in 1993.

  1. Medical schoolUniversity of Michigan Medical School

Source: Dmand AI Professional Profile Data

Sources for Dr. Richard S. Siegel's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Richard S. Siegel

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Richard S. Siegel's NPI number?

Dr. Richard S. Siegel's NPI number is 1730176322. It was assigned on September 29, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Richard S. Siegel?

Dr. Richard S. Siegel is a hematologist and oncologist in Arlington Heights, Illinois. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).

Where does Dr. Richard S. Siegel practice?

Dr. Siegel practices at 880 W Central Rd, Arlington Heights, IL 60005. Dr. Siegel's primary practice is Illinois Cancer Specialists in Arlington Heights, Illinois. Dmand AI also links Dr. Siegel to 2 hospitals, 1 group practice or clinic and 1 home health agency.

What is Dr. Richard S. Siegel's office phone number?

The practice phone on file for Dr. Siegel is (847) 827-9060.

What is Dr. Richard S. Siegel's medical license number?

Dr. Siegel holds Illinois license 036093052.

Which hospitals is Dr. Richard S. Siegel affiliated with?

Dr. Siegel is affiliated with Northwest Community Hospital. Dmand AI links Dr. Siegel to 2 more hospitals.

What medical group is Dr. Richard S. Siegel part of?

Dr. Siegel is linked to Illinois Cancer Specialists.

Does Dr. Richard S. Siegel accept Medicare?

Yes. CMS data shows Dr. Siegel billed Medicare for 63,685 services in 2024, and Dr. Siegel accepts Medicare assignment.

How many Medicare patients does Dr. Richard S. Siegel see?

CMS counts 778 Medicare patients who saw Dr. Siegel in 2024, with an average age of 77.

What services does Dr. Richard S. Siegel bill to Medicare?

In 2024, Dr. Siegel's most billed Medicare services were injected or infused drug (J1453), injected or infused drug (J9271) and injected or infused drug (J0881).

Show 6 more questionsShow fewer questions

Where did Dr. Richard S. Siegel go to medical school?

Dr. Siegel graduated from University of Michigan Medical School in 1993.

What drugs does Dr. Richard S. Siegel prescribe most?

In 2024 Medicare Part D data, Dr. Siegel's most prescribed drugs by claims were Anastrozole, Prednisone and Eliquis.

Has Dr. Richard S. Siegel received payments from drug or device companies?

CMS Open Payments shows $11,137 in general payments to Dr. Siegel from 59 companies from 2016 to 2025. The largest total came from Novartis Pharmaceuticals Corporation.

How long has Dr. Richard S. Siegel been practicing?

Dr. Siegel graduated from medical school in 1993, 33 years ago.

Does Dr. Richard S. Siegel do research?

Dmand AI links 1 publication to Dr. Siegel. Dr. Siegel has worked on 9 clinical trials.

Who does Dr. Richard S. Siegel publish with?

Dr. Siegel's most frequent co-authors are Michael Broder, MD (1 shared paper), Renuka V. Iyer, MD (1 shared paper) and Bela Kis, MD, PhD (1 shared paper).

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