Dr. John R. Cheregi, MD
- Medicare services, 2024
- 135
- Medicare patients, 2024
- 82
- Part D claims, 2024
- 68
- Publications
- 1
- Hospital affiliations
- 2
- Practice address
- 450 West Highway 22, Barrington, IL 60010
- Practice phone
- Call (847) 381-9600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Cheregi'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. John R. Cheregi is a general surgeon in Barrington, Illinois
Dr. Cheregi practices at Advocate Good Shepherd Hospital in Barrington, Illinois, part of Advocate Health.
Dr. Cheregi's NPI, 1760632384, was assigned on September 19, 2008. Dr. Cheregi holds Illinois license 036124623.
- NPI
- 1760632384NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1153579537
- NPI enumeration date
- September 19, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (847) 381-9600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John R. Cheregi practices at Advocate Good Shepherd Hospital in Barrington, Illinois
Dr. Cheregi's primary practice is Advocate Good Shepherd Hospital, at 450 West Highway 22, Barrington, IL 60010 in Lake County. The practice phone is (847) 381-9600.
- Advocate Good Shepherd Hospital450 West Highway 22, Barrington, IL 60010 · Lake CountyPhone(847) 381-9600
Source: Dmand AI Affiliation Data
Dr. John R. Cheregi is affiliated with 3 sites of care and 1 medical group
Dr. Cheregi's primary practice is Advocate Good Shepherd Hospital in Barrington, Illinois, part of Advocate Health. Dr. Cheregi is also affiliated with Advocate Sherman Hospital. The medical group on file is Advanced Surgical of Northern Illinois. Dmand AI also links Dr. Cheregi to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John R. Cheregi's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Cheregi practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Advocate Good Shepherd Hospital | 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. John R. Cheregi is one of 1,217 general surgeons in Illinois
Surgery is Dr. Cheregi's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Dr. Cheregi's licenses on file in 2 states: Illinois and Iowa.
Specialties and state licenses
- Surgery, IllinoisPrimary
- Iowa license
General surgeons near Dr. Cheregi
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. John R. Cheregi billed Medicare for 135 services in 2024
CMS data shows 135 Medicare services from Dr. Cheregi across 3 procedure codes in 2024, for 82 Medicare patients. Medicare paid $14,355 for them.
Dr. Cheregi's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1182024: 13514%
- Surgery
- 2023: 142024: 0100%
Where Dr. Cheregi's Medicare services took place, 2024
- In an office2015%
- In a facility11585%
Dr. Cheregi compared with the Illinois median for general surgeons, 2024
- Dr. Cheregi
- Illinois median
- Medicare services
- 135vs 19430% below
- Medicare patients
- 82vs 14443% below
- Part D claims
- 49vs 2875% above
Medians across 1,031 general surgeons in Illinois with Dmand AI profiles that report each measure.
Dr. Cheregi'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. Cheregi?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Cheregi and other general surgeons in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John R. Cheregi treated 82 Medicare patients in 2024, average age 73
CMS counts 82 Medicare patients who saw Dr. Cheregi in 2024. The largest group is 65 to 74, with 39 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.59, 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. Cheregi's median patient age at 48, with 70% women.
Dr. Cheregi's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Cheregi's Medicare patients by sex, 2024
- Women3745%
- Men4555%
Chronic conditions among Dr. Cheregi's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis54%
- Anxiety46%
- Mood disorders41%
- Ischemic heart disease37%
- Diabetes35%
- Atrial fibrillation34%
Share of Medicare patients with each condition. A patient can have several.
Dr. Cheregi's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 48
Patient panel by sex, all payers
- Women70%
- Men28%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John R. Cheregi wrote 68 Medicare Part D claims in 2024
In 2024, Dr. Cheregi wrote 68 Medicare Part D claims for 19 patients. 100% of them were for generic drugs. CMS names the drug for 49 of them, across 2 drugs with 11 or more claims each, at $353 in total drug cost. In 2023, CMS named 28 claims across 1 drug.
Dr. Cheregi'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 282024: 4975%
Drugs named by CMS: 2 in 2024, 1 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. John R. Cheregi takes part in Medicare
Dr. Cheregi 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)
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Upper gastrointestinal (GI) endoscopy for acid reflux: 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. John R. Cheregi has 1 publication on record
Dmand AI links 1 paper to Dr. Cheregi in 2011. Dr. Cheregi's most frequent co-author is Rami E. Lutfi, MD.
Dr. Cheregi's most frequent co-authors
Recent publications by Dr. Cheregi
See who Dr. Cheregi researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Cheregi 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
Dr. John R. Cheregi received $17,346 in industry payments from 2016 to 2025
CMS Open Payments shows 132 general payments to Dr. Cheregi from 16 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 62% of the total. Baxter Healthcare paid the most, $7,630.
General payments to Dr. Cheregi by program year, 2016 to 2025
General payments to Dr. Cheregi by kind, 2016 to 2025
- Consulting fees$10,82162%
- Food and beverage$3,41220%
- Travel and lodging$2,92217%
- Education$1901%
Companies that paid Dr. Cheregi the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. John R. Cheregi'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) |
| 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. John R. Cheregi
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. John R. Cheregi's NPI number?
Dr. John R. Cheregi's NPI number is 1760632384. It was assigned on September 19, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. John R. Cheregi?
Dr. John R. Cheregi is a general surgeon in Barrington, Illinois. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. John R. Cheregi practice?
Dr. Cheregi practices at 450 West Highway 22, Barrington, IL 60010. Dr. Cheregi's primary practice is Advocate Good Shepherd Hospital in Barrington, Illinois, part of Advocate Health. Dmand AI also links Dr. Cheregi to 1 group practice or clinic.
What is Dr. John R. Cheregi's office phone number?
The practice phone on file for Dr. Cheregi is (847) 381-9600.
What is Dr. John R. Cheregi's medical license number?
Dr. Cheregi holds Illinois license 036124623, one of the licenses on file in 2 states.
Which states has Dr. John R. Cheregi been licensed in?
Dmand AI has state licenses on file for Dr. Cheregi in Illinois and Iowa.
Which hospitals is Dr. John R. Cheregi affiliated with?
Dr. Cheregi practices at Advocate Good Shepherd Hospital in Barrington, Illinois. Dr. Cheregi is also affiliated with Advocate Sherman Hospital.
What medical group is Dr. John R. Cheregi part of?
Dr. Cheregi is linked to Advanced Surgical of Northern Illinois.
Does Dr. John R. Cheregi accept Medicare?
Yes. CMS data shows Dr. Cheregi billed Medicare for 135 services in 2024, and Dr. Cheregi accepts Medicare assignment.
How many Medicare patients does Dr. John R. Cheregi see?
CMS counts 82 Medicare patients who saw Dr. Cheregi in 2024, with an average age of 73.
Show 6 more questionsShow fewer questions
What services does Dr. John R. Cheregi bill to Medicare?
In 2024, Dr. Cheregi's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99223) and office visit, established patient (99214).
What drugs does Dr. John R. Cheregi prescribe most?
In 2024 Medicare Part D data, Dr. Cheregi's most prescribed drugs by claims were Famotidine and Pantoprazole Sodium.
Has Dr. John R. Cheregi received payments from drug or device companies?
CMS Open Payments shows $17,346 in general payments to Dr. Cheregi from 16 companies from 2016 to 2025. The largest total came from Baxter Healthcare.
How long has Dr. John R. Cheregi been practicing?
Dr. Cheregi graduated from medical school in 2007, 19 years ago.
Does Dr. John R. Cheregi do research?
Dmand AI links 1 publication to Dr. Cheregi.
Who does Dr. John R. Cheregi publish with?
Dr. Cheregi's most frequent co-authors are Rami E. Lutfi, MD (1 shared paper).
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