Dr. Aaron M. Siegel, MD
- Medicare services, 2024
- 271
- Medicare patients, 2024
- 141
- Part D claims, 2024
- 73
- Hospital affiliations
- 2
- Industry payments
- $18,345
- Practice address
- 1 S Greenleaf St Suite A Suite A, Gurnee, IL 60031-3370
- Practice phone
- Call (847) 856-2525
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Lake County General And Vascular Surgical Associates
Surgical practice · Gurnee, Illinois
Find Dr. Siegel's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Aaron M. Siegel is a general surgeon in Gurnee, Illinois
Dr. Siegel practices at Lake County General And Vascular Surgical Associates in Gurnee, Illinois.
Dr. Siegel's NPI, 1356332860, was assigned on November 3, 2005. Dr. Siegel graduated from University of Illinois College of Medicine - Chicago in 1987. Dr. Siegel holds Illinois license 036079055.
- NPI
- 1356332860NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3476517772
- NPI enumeration date
- November 3, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (847) 856-2525
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Aaron M. Siegel practices at Lake County General and Vascular Surgical Associates in Gurnee, Illinois
Dr. Siegel's primary practice is Lake County General and Vascular Surgical Associates, at 1 S Greenleaf St Suite A Suite A, Gurnee, IL 60031-3370. The practice phone is (847) 856-2525.
- Lake County General and Vascular Surgical Associates1 S Greenleaf St Suite A Suite A, Gurnee, IL 60031-3370Phone(847) 856-2525
Source: Dmand AI Affiliation Data
Dr. Aaron M. Siegel is affiliated with 3 sites of care and 1 medical group
Dr. Siegel's primary practice is Lake County General And Vascular Surgical Associates in Gurnee, Illinois. Dr. Siegel is also affiliated with Advocate Condell Medical Center. The medical group on file is Lake County Surgeons, P.C. Dmand AI also links Dr. Siegel to 1 more hospital, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Aaron M. Siegel's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Siegel practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Lake County General And Vascular Surgical Associates | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Aaron M. Siegel is one of 1,217 general surgeons in Illinois
Surgery is Dr. Siegel's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Siegel is board certified in surgery by the American Board of Surgery. Dr. Siegel is licensed in Illinois.
Specialties and state licenses
- Surgery, IllinoisPrimary
Clinical focus
Dmand AI lists abdominal hernia repair surgery, appendectomy, colon removal, esophagus, stomach, or upper small intestine surgery, gallbladder removal, groin hernia surgery and hemorrhoids among the conditions Dr. Siegel treats.
General surgeons near Dr. Siegel
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Aaron M. Siegel billed Medicare for 271 services in 2024
CMS data shows 271 Medicare services from Dr. Siegel across 7 procedure codes in 2024, for 141 Medicare patients. Medicare paid $15,580 for them.
Dr. Siegel's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2622024: 2713%
- Surgery
- 2023: 112024: 0100%
Where Dr. Siegel's Medicare services took place, 2024
- In an office7929%
- In a facility19271%
Dr. Siegel compared with the Illinois median for general surgeons, 2024
- Dr. Siegel
- Illinois median
- Medicare services
- 271vs 19440% above
- Medicare patients
- 141vs 144Close to median
- Part D claims
- 49vs 2875% above
Medians across 1,031 general surgeons 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.
Need commercial claims for Dr. Siegel?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Siegel and other general surgeons in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Aaron M. Siegel treated 141 Medicare patients in 2024, average age 70
CMS counts 141 Medicare patients who saw Dr. Siegel in 2024. The largest group is 65 to 74, with 65 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 41% are also on Medicaid. Their average risk score is 2.86, 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 54, with 59% women.
Dr. Siegel's Medicare patients by age, 2024
Dr. Siegel's Medicare patients by sex, 2024
- Women7855%
- Men6345%
Chronic conditions among Dr. Siegel's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes53%
- Arthritis49%
- Chronic kidney disease42%
- Anxiety39%
- Mood disorders38%
- Ischemic heart disease35%
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 54
Patient panel by sex, all payers
- Women59%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Aaron M. Siegel wrote 73 Medicare Part D claims in 2024
In 2024, Dr. Siegel wrote 73 Medicare Part D claims for 43 patients. 97% of them were for generic drugs. CMS names the drug for 49 of them, across 2 drugs with 11 or more claims each, at $593 in total drug cost. In 2023, CMS named 54 claims across 2 drugs.
Dr. Siegel's Part D claims by kind of drug, 2024
- Generic71 claims97%
- Brand-name and other2 claims3%
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
- Opioids52%38 of 73 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: 542024: 499%
Drugs named by CMS: 2 in 2024, 2 in 2023.
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. Aaron M. Siegel takes part in Medicare
Dr. Siegel accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Aaron M. Siegel received $18,345 in industry payments from 2016 to 2025
CMS Open Payments shows 77 general payments to Dr. Siegel from 15 drug and device companies from 2016 to 2025. Education make up the largest share, 71% of the total. Intuitive Surgical, Inc. paid the most, $16,193.
General payments to Dr. Siegel by program year, 2016 to 2025
General payments to Dr. Siegel by kind, 2016 to 2025
- Education$13,00071%
- Travel and lodging$3,63420%
- Food and beverage$1,7119%
Companies that paid Dr. Siegel the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Aaron M. Siegel has 1 award and honors on record
Dmand AI lists 1 award for Dr. Siegel.
Awards and honors for Dr. Siegel
- Undated
- ACS Fellow
Source: Dmand AI Professional Profile Data
Dr. Aaron M. Siegel graduated from University of Illinois College of Medicine - Chicago
Dr. Siegel graduated from University of Illinois College of Medicine - Chicago in 1987. Dr. Siegel is a member of ACS.
- Medical school
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Dr. Aaron M. Siegel accepts plans from 17 insurance carriers
Dr. Siegel is in network with 17 carriers, including Elevance, Aetna and HCSC. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
- Elevance
- Aetna
- HCSC
- Blue Cross Blue Shield of Michigan
- Cigna
- United Healthcare
- Humana
- Aspirus Health Plan
- +9 more carriersWith a free account
Plan types Dr. Siegel accepts, by number of carriers
- PPO11
- Medicare10
- HMO9
- POS7
- EPO4
- Medicaid3
Source: Dmand AI Insurance Network Data
Sources for Dr. Aaron M. Siegel's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Aaron M. 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. Aaron M. Siegel's NPI number?
Dr. Aaron M. Siegel's NPI number is 1356332860. It was assigned on November 3, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Aaron M. Siegel?
Dr. Aaron M. Siegel is a general surgeon in Gurnee, Illinois. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Aaron M. Siegel practice?
Dr. Siegel practices at 1 S Greenleaf St Suite A Suite A, Gurnee, IL 60031-3370. Dr. Siegel's primary practice is Lake County General And Vascular Surgical Associates in Gurnee, Illinois. Dmand AI also links Dr. Siegel to 1 hospital.
What is Dr. Aaron M. Siegel's office phone number?
The practice phone on file for Dr. Siegel is (847) 856-2525.
What is Dr. Aaron M. Siegel's medical license number?
Dr. Siegel holds Illinois license 036079055.
Which hospitals is Dr. Aaron M. Siegel affiliated with?
Dr. Siegel is affiliated with Advocate Condell Medical Center. Dmand AI links Dr. Siegel to 1 more hospital.
What medical group is Dr. Aaron M. Siegel part of?
Dr. Siegel is linked to Lake County Surgeons, P.C.
Does Dr. Aaron M. Siegel accept Medicare?
Yes. CMS data shows Dr. Siegel billed Medicare for 271 services in 2024, and Dr. Siegel accepts Medicare assignment.
How many Medicare patients does Dr. Aaron M. Siegel see?
CMS counts 141 Medicare patients who saw Dr. Siegel in 2024, with an average age of 70.
Is Dr. Aaron M. Siegel board certified?
Yes. Dr. Siegel is board certified in surgery by the American Board of Surgery.
Show 6 more questionsShow fewer questions
What services does Dr. Aaron M. Siegel bill to Medicare?
In 2024, Dr. Siegel's most billed Medicare services were hospital inpatient care (99231), hospital inpatient care (99232) and hospital inpatient care (99233).
Where did Dr. Aaron M. Siegel go to medical school?
Dr. Siegel graduated from University of Illinois College of Medicine - Chicago in 1987.
What drugs does Dr. Aaron M. Siegel prescribe most?
In 2024 Medicare Part D data, Dr. Siegel's most prescribed drugs by claims were Hydrocodone-Acetaminophen and Pantoprazole Sodium.
Has Dr. Aaron M. Siegel received payments from drug or device companies?
CMS Open Payments shows $18,345 in general payments to Dr. Siegel from 15 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Aaron M. Siegel been practicing?
Dr. Siegel graduated from medical school in 1987, 39 years ago.
What insurance does Dr. Aaron M. Siegel accept?
Dr. Siegel is in network with 17 carriers, including Elevance, Aetna and HCSC. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
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