J Vasc Surg Cases Innov Tech
Dr. Nicholas Stuart Lysak, MD
NPI1477972297PAC ID9436375789
- Medicare services, 2024
- 471
- Medicare patients, 2024
- 236
- Part D claims, 2024
- 36
- Publications
- 7
- Hospital affiliations
- 4
- Practice address
- 3000 N Halsted St, Chicago, IL 60657
- Practice phone
- Call (312) 236-3642
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
ENT Surgery Care Center LLC
Chicago, Illinois
Find Dr. Lysak's professional email, personal email and mobile number
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Dr. Nicholas Stuart Lysak is a vascular surgeon in Chicago, Illinois
Dr. Lysak practices at ENT Surgery Care Center LLC in Chicago, Illinois.
Dr. Lysak's NPI, 1477972297, was assigned on April 9, 2014. Dr. Lysak graduated from Emory University School of Medicine in 2014. Dr. Lysak holds Illinois license 036-156555.
NPI and contact details
- NPI
- 1477972297NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9436375789
- NPI enumeration date
- April 9, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (312) 236-3642
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nicholas Stuart Lysak practices at ENT Surgery Care Center LLC in Chicago, Illinois
Dr. Lysak's primary practice is ENT Surgery Care Center LLC, at 3000 N Halsted St, Chicago, IL 60657 in Cook County. The practice phone is (312) 236-3642.
- ENT Surgery Care Center LLC3000 N Halsted St, Chicago, IL 60657 · Cook CountyPhone(312) 236-3642
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Nicholas Stuart Lysak is affiliated with 8 sites of care and 2 medical groups
Dr. Lysak's primary practice is ENT Surgery Care Center LLC in Chicago, Illinois. Dr. Lysak is also affiliated with Advocate Illinois Masonic Medical Center. The medical group on file is Dreyer Medical Clinic (Advocate Medical Group). Dmand AI also links Dr. Lysak to 3 more hospitals, 2 group practices and clinics, 1 home health agency and 1 medical group, each named with a free account.
ENT Surgery Care Center LLCPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Nicholas Stuart Lysak's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lysak practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| ENT Surgery Care Center LLC | Available with a free account |
| +7 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Nicholas Stuart Lysak is one of 164 vascular surgeons in Illinois
Vascular surgery is Dr. Lysak's primary specialty in the NPI Registry, under taxonomy code 2086S0129X. Dr. Lysak is licensed in Illinois.
Specialties and state licenses
- Vascular surgery, IllinoisPrimary
Vascular surgeons near Dr. Lysak
Counts of vascular 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. Nicholas Stuart Lysak billed Medicare for 471 services in 2024
CMS data shows 471 Medicare services from Dr. Lysak across 12 procedure codes in 2024, for 236 Medicare patients. Medicare paid $26,268 for them.
Medicare services, 2024471
Medicare patients236
Paid by Medicare$26,268
Procedure codes12
Dr. Lysak's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 132024: 3622685%
- Tests and treatments
- 2023: 02024: 70
- Imaging
- 2023: 02024: 39
Where Dr. Lysak's Medicare services took place, 2024
- In an office9320%
- In a facility37880%
Dr. Lysak compared with the Illinois median for vascular surgeons, 2024
- Dr. Lysak
- Illinois median
- Medicare services
- 471vs 59821% below
- Medicare patients
- 236vs 41243% below
Medians across 155 vascular surgeons in Illinois with Dmand AI profiles that report each measure.
Dr. Lysak'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. Lysak?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lysak and other vascular surgeons in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Nicholas Stuart Lysak treated 236 Medicare patients in 2024, average age 75
CMS counts 236 Medicare patients who saw Dr. Lysak in 2024. The largest group is 65 to 74, with 92 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 42% are also on Medicaid. Their average risk score is 2.62, 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. Lysak's median patient age at 74, with 53% women.
Medicare patients, 2024236
Average age75
Average risk score2.62
Also on Medicaid42%
Dr. Lysak's Medicare patients by age, 2024
Dr. Lysak's Medicare patients by sex, 2024
- Women10645%
- Men13055%
Chronic conditions among Dr. Lysak's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease53%
- Diabetes51%
- Chronic kidney disease50%
- Arthritis49%
- Heart failure42%
- Atrial fibrillation32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lysak's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women53%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Nicholas Stuart Lysak wrote 36 Medicare Part D claims in 2024
In 2024, Dr. Lysak wrote 36 Medicare Part D claims for 18 patients. 64% of them were for generic drugs.
Part D claims, 202436
Part D patients18
Dr. Lysak's Part D claims by kind of drug, 2024
- Generic23 claims64%
- Brand-name13 claims36%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Nicholas Stuart Lysak ranks in the 73rd percentile for removal of tissue in Medicare
Dr. Lysak accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 29 procedures of removal of tissue by Dr. Lysak, more than 73% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Lysak ranks in Medicare procedure volume
- Removal of tissue
- 73rd percentile29 procedures
- Removal of skin lesions
- 68th percentile29 procedures
- Leg revascularization (restoring blood flow)
- 72nd percentile15 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Varicose vein removal: 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. Nicholas Stuart Lysak has 7 publications on record
Dmand AI links 7 papers to Dr. Lysak, published from 2017 to 2025. The most frequent topics are Acute Kidney Injury, Hospital Mortality and Length of Stay. Dr. Lysak has published most often in J Vasc Surg Cases Innov Tech. Dr. Lysak's most frequent co-authors are Azra Bihorac, MD, Philip A. Efron, MD and Tyler John Loftus, MD.
Papers7
Years published2017 to 2025
Dr. Lysak's papers by year, 2017 to 2025
Topics Dr. Lysak writes about most
- Acute Kidney Injury
- Hospital Mortality
- Length of Stay
- Postoperative Complications
Dr. Lysak's most frequent co-authors
- Azra Bihorac, MD4 shared papers
- Philip A. Efron, MD2 shared papers
- Tyler John Loftus, MD2 shared papers
Recent publications by Dr. Lysak
J Vasc Surg Cases Innov Tech
Acute Kidney InjuryCardiovascular DiseasesComorbidity
See who Dr. Lysak researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Lysak works with, so you can find a warm path to the right vascular surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Nicholas Stuart Lysak received $7,979 in industry payments from 2021 to 2025
CMS Open Payments shows 75 general payments to Dr. Lysak from 13 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 69% of the total. Inari Medical, Inc. paid the most, $2,250.
General payments to Dr. Lysak by program year, 2021 to 2025
General payments to Dr. Lysak by kind, 2021 to 2025
$8Kin total
- Food and beverage$5,48469%
- Travel and lodging$2,14527%
- Education$3504%
Companies that paid Dr. Lysak the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Nicholas Stuart Lysak graduated from Emory University School of Medicine
Dr. Lysak graduated from Emory University School of Medicine in 2014.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Nicholas Stuart Lysak'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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 (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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Nicholas Stuart Lysak
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. Nicholas Stuart Lysak's NPI number?
Dr. Nicholas Stuart Lysak's NPI number is 1477972297. It was assigned on April 9, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Nicholas Stuart Lysak?
Dr. Nicholas Stuart Lysak is a vascular surgeon in Chicago, Illinois. The primary specialty in the NPI Registry is Vascular Surgery Physician (taxonomy code 2086S0129X).
Where does Dr. Nicholas Stuart Lysak practice?
Dr. Lysak practices at 3000 N Halsted St, Chicago, IL 60657. Dr. Lysak's primary practice is ENT Surgery Care Center LLC in Chicago, Illinois. Dmand AI also links Dr. Lysak to 3 hospitals, 2 group practices and clinics, 1 home health agency and 1 medical group.
What is Dr. Nicholas Stuart Lysak's office phone number?
The practice phone on file for Dr. Lysak is (312) 236-3642.
What is Dr. Nicholas Stuart Lysak's medical license number?
Dr. Lysak holds Illinois license 036-156555.
Which hospitals is Dr. Nicholas Stuart Lysak affiliated with?
Dr. Lysak is affiliated with Advocate Illinois Masonic Medical Center. Dmand AI links Dr. Lysak to 3 more hospitals.
What medical group is Dr. Nicholas Stuart Lysak part of?
Dr. Lysak is linked to Dreyer Medical Clinic (Advocate Medical Group). Dmand AI links Dr. Lysak to 1 more medical group.
Does Dr. Nicholas Stuart Lysak accept Medicare?
Yes. CMS data shows Dr. Lysak billed Medicare for 471 services in 2024, and Dr. Lysak accepts Medicare assignment.
How many Medicare patients does Dr. Nicholas Stuart Lysak see?
CMS counts 236 Medicare patients who saw Dr. Lysak in 2024, with an average age of 75.
What services does Dr. Nicholas Stuart Lysak bill to Medicare?
In 2024, Dr. Lysak's most billed Medicare services were office visit, established patient (99213), hospital inpatient care (99232) and office visit, new patient (99203).
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Where did Dr. Nicholas Stuart Lysak go to medical school?
Dr. Lysak graduated from Emory University School of Medicine in 2014.
Has Dr. Nicholas Stuart Lysak received payments from drug or device companies?
CMS Open Payments shows $7,979 in general payments to Dr. Lysak from 13 companies from 2021 to 2025. The largest total came from Inari Medical, Inc.
How long has Dr. Nicholas Stuart Lysak been practicing?
Dr. Lysak graduated from medical school in 2014, 12 years ago.
Does Dr. Nicholas Stuart Lysak do research?
Dmand AI links 7 publications to Dr. Lysak, published from 2017 to 2025.
Who does Dr. Nicholas Stuart Lysak publish with?
Dr. Lysak's most frequent co-authors are Azra Bihorac, MD (4 shared papers), Philip A. Efron, MD (2 shared papers) and Tyler John Loftus, MD (2 shared papers).
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