Dr. Brett Chamernik, MD

  • Hoffman Estates, IL
  • Orthopedic surgeon
NPI1487018925PAC ID5092006635
Medicare services, 2024
2,100
Medicare patients, 2024
171
Part D claims, 2024
211
Hospital affiliations
5
Industry payments
$44,946
Practice address
1555 N Barrington Rd, Hoffman Estates, IL 60169
Practice phone
Call (847) 843-2000
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Ascension Saint Alexius

Hospital · Hoffman Estates, Illinois

See all 11 affiliations

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Dr. Brett Chamernik is an orthopedic surgeon in Hoffman Estates, Illinois

Dr. Chamernik practices at Ascension Saint Alexius in Hoffman Estates, Illinois, part of Ascension Health Alliance.

Dr. Chamernik's NPI, 1487018925, was assigned on April 11, 2016. Dr. Chamernik graduated from Morehouse School Of Medicine in 2016. Dr. Chamernik holds Illinois license 036161899.

NPI and contact details
Medicare PAC ID
5092006635
NPI enumeration date
April 11, 2016
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(847) 843-2000
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)

Dr. Brett Chamernik practices at Ascension Saint Alexius in Hoffman Estates, Illinois

Dr. Chamernik's primary practice is Ascension Saint Alexius, at 1555 N Barrington Rd, Hoffman Estates, IL 60169 in Cook County. The practice phone is (847) 843-2000.

Source: Dmand AI Affiliation Data

Dr. Brett Chamernik is affiliated with 9 sites of care and 2 medical groups

Dr. Chamernik's primary practice is Ascension Saint Alexius in Hoffman Estates, Illinois, part of Ascension Health Alliance. Dr. Chamernik is also affiliated with Ascension Alexian Brothers. The medical group on file is UChicago Medicine AdventHealth Medical Group. Dmand AI also links Dr. Chamernik to 3 more hospitals, 2 group practices and clinics, 1 breast imaging center, 1 home health agency and 1 medical group, each named with a free account.

See all 11 affiliations for Dr. Chamernik

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Brett Chamernik's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chamernik practices, 9 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Ascension Saint AlexiusAvailable with a free account
+8 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Brett Chamernik is one of 849 orthopedic surgeons in Illinois

Orthopaedic surgery is Dr. Chamernik's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Chamernik is licensed in Illinois.

Specialties and state licenses

  • Orthopaedic surgery, IllinoisPrimaryLicense 036161899 · taxonomy 207X00000X

Orthopedic surgeons near Dr. Chamernik

Counts of orthopedic 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. Brett Chamernik billed Medicare for 2,100 services in 2024

CMS data shows 2,100 Medicare services from Dr. Chamernik across 11 procedure codes in 2024, for 171 Medicare patients. Medicare paid $43,264 for them.

Medicare services, 20242,100
Medicare patients171
Paid by Medicare$43,264
Procedure codes11

Dr. Chamernik's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Drugs given in the office
2023: 1262024: 1,5911163%
Office and hospital visits
2023: 2332024: 26313%
Surgery
2023: 1542024: 17111%
Imaging
2023: 712024: 756%

Where Dr. Chamernik's Medicare services took place, 2024

  • In an office2,06999%
  • In a facility311%

Dr. Chamernik compared with the Illinois median for orthopedic surgeons, 2024

  • Dr. Chamernik
  • Illinois median
Medicare services
2,100vs 1,25068% above
Medicare patients
171vs 29642% below
Part D claims
175vs 12046% above

Medians across 741 orthopedic surgeons in Illinois with Dmand AI profiles that report each measure.

Dr. Chamernik'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. Chamernik

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Brett Chamernik treated 171 Medicare patients in 2024, average age 77

CMS counts 171 Medicare patients who saw Dr. Chamernik in 2024. The largest group is 65 to 74, with 65 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 22% are also on Medicaid. Their average risk score is 1.29, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Chamernik's median patient age at 61, with 53% women.

Medicare patients, 2024171
Average age77
Average risk score1.29
Also on Medicaid22%

Dr. Chamernik's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Chamernik's Medicare patients by sex, 2024

  • Women9556%
  • Men7644%

Chronic conditions among Dr. Chamernik's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis73%
  4. Ischemic heart disease33%
  5. Chronic kidney disease30%
  6. Diabetes30%
  7. Anxiety29%
  8. Heart failure24%

Share of Medicare patients with each condition. A patient can have several.

Dr. Chamernik's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 61

Patient panel by sex, all payers

  • Women53%
  • Men46%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Brett Chamernik wrote 211 Medicare Part D claims in 2024

In 2024, Dr. Chamernik wrote 211 Medicare Part D claims for 87 patients. 100% of them were for generic drugs. CMS names the drug for 175 of them, across 5 drugs with 11 or more claims each, at $1,344 in total drug cost. In 2023, CMS named 80 claims across 4 drugs.

Part D claims, 2024211
Drugs named by CMS5
Total drug cost$1,344
Part D patients87

Dr. Chamernik'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. Chamernik's Part D claims, 2024

  • Opioids30%63 of 211 claims
  • Antibiotics5%11 of 211 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: 802024: 175119%

Drugs named by CMS: 5 in 2024, 4 in 2023.

See all prescribing by Dr. Chamernik

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

Dr. Brett Chamernik offers telehealth to Medicare patients

Dr. Chamernik accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chamernik as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Hip replacement: 1 to 10 procedures (CMS shows small counts as a range)

Knee replacement: 1 to 10 procedures (CMS shows small counts as a range)

Lower limb (leg) arthroscopy (minimally invasive joint repair): 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)

Upper limb (arm) arthroscopy (minimally invasive joint repair): 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. Brett Chamernik received $44,946 in industry payments from 2018 to 2025

CMS Open Payments shows 115 general payments to Dr. Chamernik from 27 drug and device companies from 2018 to 2025. Grants make up the largest share, 52% of the total. Arthrex, Inc. paid the most, $20,220.

General payments to Dr. Chamernik by program year, 2018 to 2025

General payments to Dr. Chamernik by kind, 2018 to 2025

$44.9Kin total
  • Grants$23,48452%
  • Education$15,60335%
  • Food and beverage$4,83811%
  • Travel and lodging$1,0212%

Companies that paid Dr. Chamernik the most, 2018 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Chamernik

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

Dr. Brett Chamernik graduated from Morehouse School Of Medicine

Dr. Chamernik graduated from Morehouse School Of Medicine in 2016.

  1. Medical schoolMorehouse School Of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Brett Chamernik'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)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
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. Brett Chamernik

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. Brett Chamernik's NPI number?

Dr. Brett Chamernik's NPI number is 1487018925. It was assigned on April 11, 2016, and it is active in the NPI Registry.

What kind of doctor is Dr. Brett Chamernik?

Dr. Brett Chamernik is an orthopedic surgeon in Hoffman Estates, Illinois. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).

Where does Dr. Brett Chamernik practice?

Dr. Chamernik practices at 1555 N Barrington Rd, Hoffman Estates, IL 60169. Dr. Chamernik's primary practice is Ascension Saint Alexius in Hoffman Estates, Illinois, part of Ascension Health Alliance. Dmand AI also links Dr. Chamernik to 3 hospitals, 2 group practices and clinics, 1 breast imaging center, 1 home health agency and 1 medical group.

What is Dr. Brett Chamernik's office phone number?

The practice phone on file for Dr. Chamernik is (847) 843-2000.

What is Dr. Brett Chamernik's medical license number?

Dr. Chamernik holds Illinois license 036161899.

Which hospitals is Dr. Brett Chamernik affiliated with?

Dr. Chamernik practices at Ascension Saint Alexius in Hoffman Estates, Illinois. Dr. Chamernik is also affiliated with Ascension Alexian Brothers. Dmand AI links Dr. Chamernik to 3 more hospitals.

What medical group is Dr. Brett Chamernik part of?

Dr. Chamernik is linked to UChicago Medicine AdventHealth Medical Group. Dmand AI links Dr. Chamernik to 1 more medical group.

Does Dr. Brett Chamernik accept Medicare?

Yes. CMS data shows Dr. Chamernik billed Medicare for 2,100 services in 2024, and Dr. Chamernik accepts Medicare assignment.

Does Dr. Brett Chamernik offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Chamernik as offering telehealth services.

How many Medicare patients does Dr. Brett Chamernik see?

CMS counts 171 Medicare patients who saw Dr. Chamernik in 2024, with an average age of 77.

Show 5 more questionsShow fewer questions

What services does Dr. Brett Chamernik bill to Medicare?

In 2024, Dr. Chamernik's most billed Medicare services were injected or infused drug (J7320), injected or infused drug (J3301) and surgery: bones and joints (20610).

Where did Dr. Brett Chamernik go to medical school?

Dr. Chamernik graduated from Morehouse School Of Medicine in 2016.

What drugs does Dr. Brett Chamernik prescribe most?

In 2024 Medicare Part D data, Dr. Chamernik's most prescribed drugs by claims were Meloxicam, Hydrocodone-Acetaminophen and Celecoxib.

Has Dr. Brett Chamernik received payments from drug or device companies?

CMS Open Payments shows $44,946 in general payments to Dr. Chamernik from 27 companies from 2018 to 2025. The largest total came from Arthrex, Inc.

How long has Dr. Brett Chamernik been practicing?

Dr. Chamernik graduated from medical school in 2016, 10 years ago.

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