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John Christopher Lewandowski
NPI1053773879PAC ID9830593854
- Medicare services, 2024
- 126
- Medicare patients, 2024
- 87
- Part D claims, 2024
- 114
- Publications
- 1
- Hospital affiliations
- 2
- Practice address
- 520 S Maple Ave, Oak Park, IL 60304
- Practice phone
- Call (708) 383-9300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find John Lewandowski'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.
John Christopher Lewandowski is a general surgeon in Oak Park, Illinois
John Lewandowski practices at Rush Oak Park Hospital in Oak Park, Illinois, part of Rush System for Health.
John Lewandowski's NPI, 1053773879, was assigned on March 22, 2016. John Lewandowski graduated from University of Toledo College of Medicine in 2016. John Lewandowski holds Missouri license 2023027841.
NPI and contact details
- NPI
- 1053773879NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9830593854
- NPI enumeration date
- March 22, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (708) 383-9300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
John Christopher Lewandowski practices at Rush Oak Park Hospital in Oak Park, Illinois
John Lewandowski's primary practice is Rush Oak Park Hospital, at 520 S Maple Ave, Oak Park, IL 60304 in Cook County. The practice phone is (708) 383-9300.
- Rush Oak Park Hospital520 S Maple Ave, Oak Park, IL 60304 · Cook CountyPhone(708) 383-9300
Source: Dmand AI Affiliation Data
John Christopher Lewandowski is affiliated with 3 sites of care and 2 medical groups
John Lewandowski's primary practice is Rush Oak Park Hospital in Oak Park, Illinois, part of Rush System for Health. John Lewandowski is also affiliated with Rush University Medical Center. The medical group on file is Rush University Internists. Dmand AI also links John Lewandowski to 1 more group practice or clinic and 1 medical group, each named with a free account.
Rush University Medical CenterRush University Internists1 group practice or clinicName with a free account1 medical groupName with a free account
See all 5 affiliations for John LewandowskiSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at John Christopher Lewandowski's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Lewandowski practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Rush Oak Park Hospital | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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John Christopher Lewandowski is one of 1,217 general surgeons in Illinois
Surgery is John Lewandowski's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has John Lewandowski's licenses on file in 2 states: Missouri and Illinois.
Specialties and state licenses
- Surgery, MissouriPrimary
- Illinois license
General surgeons near John Lewandowski
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
1,217general surgeons in Illinois11general surgeons in Oak Park6general surgeons at Rush Oak Park Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
John Christopher Lewandowski billed Medicare for 126 services in 2024
CMS data shows 126 Medicare services from John Lewandowski across 3 procedure codes in 2024, for 87 Medicare patients. Medicare paid $8,118 for them.
Medicare services, 2024126
Medicare patients87
Paid by Medicare$8,118
Procedure codes3
John Lewandowski's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 732024: 12673%
Where John Lewandowski's Medicare services took place, 2024
- In an office1310%
- In a facility11390%
John Lewandowski compared with the Illinois median for general surgeons, 2024
- John Lewandowski
- Illinois median
- Medicare services
- 126vs 19435% below
- Medicare patients
- 87vs 14440% below
- Part D claims
- 66vs 282.4 times
Medians across 1,031 general surgeons in Illinois with Dmand AI profiles that report each measure.
John Lewandowski'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
John Christopher Lewandowski treated 87 Medicare patients in 2024, average age 74
CMS counts 87 Medicare patients who saw John Lewandowski in 2024. The largest group is 65 to 74, with 28 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 15% are also on Medicaid. Their average risk score is 1.77, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts John Lewandowski's median patient age at 68, with 50% women.
Medicare patients, 202487
Average age74
Average risk score1.77
Also on Medicaid15%
John Lewandowski's Medicare patients by age, 2024
John Lewandowski's Medicare patients by sex, 2024
- Women4349%
- Men4451%
Chronic conditions among John Lewandowski's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis59%
- Mood disorders48%
- Anxiety41%
- Depression41%
- Diabetes40%
- Ischemic heart disease39%
Share of Medicare patients with each condition. A patient can have several.
John Lewandowski's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
John Christopher Lewandowski wrote 114 Medicare Part D claims in 2024
In 2024, John Lewandowski wrote 114 Medicare Part D claims for 65 patients. 98% of them were for generic drugs. CMS names the drug for 66 of them, across 3 drugs with 11 or more claims each, at $307 in total drug cost.
Part D claims, 2024114
Drugs named by CMS3
Total drug cost$307
Part D patients65
John Lewandowski's Part D claims by kind of drug, 2024
- Generic112 claims98%
- Brand-name and other2 claims2%
John Lewandowski'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 John Lewandowski's Part D claims, 2024
- Opioids59%67 of 114 claims
- Antibiotics15%17 of 114 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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 John Christopher Lewandowski takes part in Medicare
John Lewandowski accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
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)
Removal of skin lesions: 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)
Skin biopsy: 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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John Christopher Lewandowski has 1 publication on record
Dmand AI links 1 paper to John Lewandowski in 2015. John Lewandowski's most frequent co-author is Xiaoliang Qiu.
Papers1
John Lewandowski's most frequent co-authors
Recent publications by John Lewandowski
See who John Lewandowski researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who John Lewandowski works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
John Christopher Lewandowski received $1,717 in industry payments from 2017 to 2025
CMS Open Payments shows 19 general payments to John Lewandowski from 11 drug and device companies from 2017 to 2025. Education make up the largest share, 58% of the total. Intuitive Surgical, Inc. paid the most, $1,182.
General payments to John Lewandowski by program year, 2017 to 2025
General payments to John Lewandowski by kind, 2017 to 2025
$1.7Kin total
- Education$1,00058%
- Food and beverage$71742%
Companies that paid John Lewandowski the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
John Christopher Lewandowski graduated from University of Toledo College of Medicine
John Lewandowski graduated from University of Toledo College of Medicine in 2016.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for John Christopher Lewandowski'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 DataDmand AI Org Hierarchy 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) |
| 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 John Christopher Lewandowski
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is John Christopher Lewandowski's NPI number?
John Christopher Lewandowski's NPI number is 1053773879. It was assigned on March 22, 2016, and it is active in the NPI Registry.
What does John Christopher Lewandowski specialize in?
John Christopher Lewandowski is a general surgeon in Oak Park, Illinois. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does John Christopher Lewandowski practice?
John Lewandowski practices at 520 S Maple Ave, Oak Park, IL 60304. John Lewandowski's primary practice is Rush Oak Park Hospital in Oak Park, Illinois, part of Rush System for Health. Dmand AI also links John Lewandowski to 1 group practice or clinic and 1 medical group.
What is John Christopher Lewandowski's office phone number?
The practice phone on file for John Lewandowski is (708) 383-9300.
What is John Christopher Lewandowski's medical license number?
John Lewandowski holds Missouri license 2023027841, one of the licenses on file in 2 states.
Which states has John Christopher Lewandowski been licensed in?
Dmand AI has state licenses on file for John Lewandowski in Missouri and Illinois.
Which hospitals is John Christopher Lewandowski affiliated with?
John Lewandowski practices at Rush Oak Park Hospital in Oak Park, Illinois. John Lewandowski is also affiliated with Rush University Medical Center.
What medical group is John Christopher Lewandowski part of?
John Lewandowski is linked to Rush University Internists. Dmand AI links John Lewandowski to 1 more medical group.
Does John Christopher Lewandowski accept Medicare?
Yes. CMS data shows John Lewandowski billed Medicare for 126 services in 2024, and John Lewandowski accepts Medicare assignment.
How many Medicare patients does John Christopher Lewandowski see?
CMS counts 87 Medicare patients who saw John Lewandowski in 2024, with an average age of 74.
Show 7 more questionsShow fewer questions
What services does John Christopher Lewandowski bill to Medicare?
In 2024, John Lewandowski's most billed Medicare services were hospital inpatient care (99232), office visit, new patient (99203) and hospital inpatient care (99233).
Where did John Christopher Lewandowski go to medical school?
John Lewandowski graduated from University of Toledo College of Medicine in 2016.
What drugs does John Christopher Lewandowski prescribe most?
In 2024 Medicare Part D data, John Lewandowski's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Oxycodone HCl and Tramadol HCl.
Has John Christopher Lewandowski received payments from drug or device companies?
CMS Open Payments shows $1,717 in general payments to John Lewandowski from 11 companies from 2017 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has John Christopher Lewandowski been practicing?
John Lewandowski graduated from medical school in 2016, 10 years ago.
Does John Christopher Lewandowski do research?
Dmand AI links 1 publication to John Lewandowski.
Who does John Christopher Lewandowski publish with?
John Lewandowski's most frequent co-authors are Xiaoliang Qiu (1 shared paper).
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