Dr. John R. Cheregi, MD

  • Barrington, IL
  • General surgeon
NPI1760632384PAC ID1153579537
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
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Personal email
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Mobile number
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Social profiles

Primary practice

Advocate Good Shepherd Hospital

Hospital · Barrington, Illinois

See all 4 affiliations

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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 and contact details
Medicare PAC ID
1153579537
NPI enumeration date
September 19, 2008
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(847) 381-9600
Professional email
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Personal email
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Mobile number
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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.

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.

See all 4 affiliations for Dr. Cheregi

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.

EHR by site
SiteEHR vendor and product
Advocate Good Shepherd HospitalAvailable with a free account
+2 more affiliated sitesAvailable 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, IllinoisPrimaryLicense 36-3196629 · taxonomy 208600000X
  • Iowa licenseLicense 40391

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.

Medicare services, 2024135
Medicare patients82
Paid by Medicare$14,355
Procedure codes3

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.

See all procedures by Dr. Cheregi

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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.

Medicare patients, 202482
Average age73
Average risk score1.59

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis54%
  4. Anxiety46%
  5. Mood disorders41%
  6. Ischemic heart disease37%
  7. Diabetes35%
  8. 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.

Part D claims, 202468
Drugs named by CMS2
Total drug cost$353
Part D patients19

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.

See all prescribing by Dr. Cheregi

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.

Papers1

Dr. Cheregi's most frequent co-authors

Recent publications by Dr. Cheregi

See all 1 publications and co-authors

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.

How network discovery works

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

$17.3Kin total
  • 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.

See all payments to Dr. Cheregi

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

Sources for Dr. John R. Cheregi'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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. 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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