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Dr. Roger Chams, MD
NPI1184675944PAC ID4082613781
- Medicare services, 2024
- 3,993
- Medicare patients, 2024
- 738
- Part D claims, 2022
- 28
- Publications
- 1
- MIPS score, 2024
- 81
- Practice address
- 240 Center Drive, Vernon Hills, IL 60061
- Practice phone
- Call (847) 367-8100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Hawthorn Surgery Center
Surgery Center - Medicare-Certified · Vernon Hills, Illinois
Find Dr. Chams' professional email, personal email and mobile number
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Dr. Roger Chams is an orthopedic surgeon in Vernon Hills, Illinois
Dr. Chams practices at Hawthorn Surgery Center in Vernon Hills, Illinois.
Dr. Chams' NPI, 1184675944, was assigned on May 15, 2006. Dr. Chams graduated from University of Illinois College of Medicine - Chicago in 1992. Dr. Chams holds Illinois license 036-094840.
NPI and contact details
- NPI
- 1184675944NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4082613781
- NPI enumeration date
- May 15, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (847) 367-8100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Roger Chams practices at Hawthorn Surgery Center in Vernon Hills, Illinois
Dr. Chams' primary practice is Hawthorn Surgery Center, at 240 Center Drive, Vernon Hills, IL 60061. The practice phone is (847) 367-8100.
- Hawthorn Surgery Center240 Center Drive, Vernon Hills, IL 60061Phone(847) 367-8100
Source: Dmand AI Affiliation Data
Dr. Roger Chams is affiliated with 8 sites of care and 2 medical groups
Dr. Chams' primary practice is Hawthorn Surgery Center in Vernon Hills, Illinois. Dr. Chams is also affiliated with Evanston Hospital. The medical group on file is Illinois Bone & Joint Institute. Dmand AI also links Dr. Chams to 3 more hospitals, 2 group practices and clinics, 1 home health agency and 1 medical group, each named with a free account.
Hawthorn Surgery CenterPrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Roger Chams' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chams practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hawthorn Surgery Center | 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. Roger Chams is one of 849 orthopedic surgeons in Illinois
Orthopaedic surgery is Dr. Chams' primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Chams is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery. Dmand AI has Dr. Chams' licenses on file in 3 states: Illinois, California and Wisconsin.
Specialties and state licenses
- Orthopaedic surgery, IllinoisPrimary
- California license
- Wisconsin license
Clinical focus
Dmand AI lists arthritis, fluid in a joint, joint cyst, joint pain, knee arthroscopy, knee injury, lower back pain and minor injury to a limb among the conditions Dr. Chams treats.
Orthopedic surgeons near Dr. Chams
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. Roger Chams billed Medicare for 3,993 services in 2024
CMS data shows 3,993 Medicare services from Dr. Chams across 19 procedure codes in 2024, for 738 Medicare patients. Medicare paid $274,673 for them.
Medicare services, 20243,993
Medicare patients738
Paid by Medicare$274,673
Procedure codes19
Dr. Chams' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 1,8462024: 1,59813%
- Office and hospital visits
- 2023: 9582024: 9303%
- Imaging
- 2023: 7862024: 7992%
- Surgery
- 2023: 6942024: 6664%
Where Dr. Chams' Medicare services took place, 2024
- In an office3,68692%
- In a facility3078%
Dr. Chams compared with the Illinois median for orthopedic surgeons, 2024
- Dr. Chams
- Illinois median
- Medicare services
- 3,993vs 1,2503.2 times
- Medicare patients
- 738vs 2962.5 times
- Part D claims
- 28vs 12077% below
Medians across 741 orthopedic surgeons in Illinois with Dmand AI profiles that report each measure.
Dr. Chams' 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. Chams?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chams and other orthopedic surgeons in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Roger Chams treated 738 Medicare patients in 2024, average age 72
CMS counts 738 Medicare patients who saw Dr. Chams in 2024. The largest group is 65 to 74, with 495 patients. 75% of them have arthritis, and 73% have high cholesterol. 3% are also on Medicaid. Their average risk score is 0.81, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Chams' median patient age at 53, with 45% women.
Medicare patients, 2024738
Average age72
Average risk score0.81
Also on Medicaid3%
Dr. Chams' Medicare patients by age, 2024
Dr. Chams' Medicare patients by sex, 2024
- Women41656%
- Men32244%
Chronic conditions among Dr. Chams' Medicare patients, 2024
- Arthritis75%
- High cholesterol73%
- High blood pressure60%
- Anxiety23%
- Diabetes19%
- Ischemic heart disease19%
- Mood disorders19%
- Cancer16%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chams' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 53
Patient panel by sex, all payers
- Women45%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Roger Chams wrote 28 Medicare Part D claims in 2022
In 2022, Dr. Chams wrote 28 Medicare Part D claims. They cover 2 drugs, with $233 in total drug cost. In 2021, CMS named 149 claims across 2 drugs.
Part D claims, 202228
Drugs named by CMS2
Total drug cost$233
Dr. Chams' most prescribed drugs by claims, 2022
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, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 1492022: 2881%
Drugs named by CMS: 2 in 2022, 2 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. Roger Chams scored 81 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 81 out of 100 for Dr. Chams for performance year 2024, reported as part of a group. Dr. Chams accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 287 procedures of upper limb (arm) arthroscopy (minimally invasive joint repair) by Dr. Chams, more than 99% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Chams' MIPS scores, performance year 2024
- 81of 100Final score
- 76.5of 100Quality
- 83of 100Promoting Interoperability
- 40of 100Improvement Activities
- 75of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Chams ranks in Medicare procedure volume
- Upper limb (arm) arthroscopy (minimally invasive joint repair)
- 99th percentile287 procedures
- Lower limb (leg) arthroscopy (minimally invasive joint repair)
- 98th percentile40 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Roger Chams has 1 publication on record
Dmand AI links 1 paper to Dr. Chams. Dr. Chams' most frequent co-author is Richard D. Ferkel, MD.
Papers1
Dr. Chams' most frequent co-authors
Recent publications by Dr. Chams
See who Dr. Chams researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chams works with, so you can find a warm path to the right orthopedic surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Roger Chams received $3,752 in industry payments from 2017 to 2025
CMS Open Payments shows 29 general payments to Dr. Chams from 7 drug and device companies from 2017 to 2025. Travel and lodging make up the largest share, 75% of the total. Arthrex, Inc. paid the most, $2,637.
General payments to Dr. Chams by program year, 2017 to 2025
General payments to Dr. Chams by kind, 2017 to 2025
$3.8Kin total
- Travel and lodging$2,80875%
- Food and beverage$94525%
Companies that paid Dr. Chams the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Roger Chams has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Chams, most recently CMS Stage 1 2012 in 2012.
Awards and honors for Dr. Chams
- 2012
- CMS Stage 1 2012
- Undated
- Checkbook Top Doc
Source: Dmand AI Professional Profile Data
Dr. Roger Chams graduated from University of Illinois College of Medicine - Chicago
Dr. Chams graduated from University of Illinois College of Medicine - Chicago in 1992.
- Medical school
- Board certified in orthopaedic surgery
Source: Dmand AI Professional Profile Data
Dr. Roger Chams accepts plans from 17 insurance carriers
Dr. Chams is in network with 17 carriers, including Aetna, HCSC and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
- Aetna
- HCSC
- Blue Cross Blue Shield of Michigan
- Cigna
- United Healthcare
- Elevance
- Humana
- Aspirus Health Plan
- +9 more carriersWith a free account
Plan types Dr. Chams accepts, by number of carriers
- PPO11
- HMO10
- Medicare9
- POS7
- EPO4
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Roger Chams'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Roger Chams
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. Roger Chams' NPI number?
Dr. Roger Chams' NPI number is 1184675944. It was assigned on May 15, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Roger Chams?
Dr. Roger Chams is an orthopedic surgeon in Vernon Hills, Illinois. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Roger Chams practice?
Dr. Chams practices at 240 Center Drive, Vernon Hills, IL 60061. Dr. Chams' primary practice is Hawthorn Surgery Center in Vernon Hills, Illinois. Dmand AI also links Dr. Chams to 3 hospitals, 2 group practices and clinics, 1 home health agency and 1 medical group.
What is Dr. Roger Chams' office phone number?
The practice phone on file for Dr. Chams is (847) 367-8100.
What is Dr. Roger Chams' medical license number?
Dr. Chams holds Illinois license 036-094840, one of the licenses on file in 3 states.
Which states has Dr. Roger Chams been licensed in?
Dmand AI has state licenses on file for Dr. Chams in Illinois (1997 to 2026), California (since 1997) and Wisconsin (2017 to 2025).
Which hospitals is Dr. Roger Chams affiliated with?
Dr. Chams is affiliated with Evanston Hospital. Dmand AI links Dr. Chams to 3 more hospitals.
What medical group is Dr. Roger Chams part of?
Dr. Chams is linked to Illinois Bone & Joint Institute. Dmand AI links Dr. Chams to 1 more medical group.
Does Dr. Roger Chams accept Medicare?
Yes. CMS data shows Dr. Chams billed Medicare for 3,993 services in 2024, and Dr. Chams accepts Medicare assignment.
What is Dr. Roger Chams' MIPS score?
Dr. Chams' MIPS final score for performance year 2024 is 81 out of 100, reported as part of a group.
Show 10 more questionsShow fewer questions
How many Medicare patients does Dr. Roger Chams see?
CMS counts 738 Medicare patients who saw Dr. Chams in 2024, with an average age of 72.
Is Dr. Roger Chams board certified?
Yes. Dr. Chams is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery.
What services does Dr. Roger Chams bill to Medicare?
In 2024, Dr. Chams' most billed Medicare services were injected or infused drug (J3301), office visit, established patient (99213) and surgery: bones and joints (20610).
Where did Dr. Roger Chams go to medical school?
Dr. Chams graduated from University of Illinois College of Medicine - Chicago in 1992.
What drugs does Dr. Roger Chams prescribe most?
In 2022 Medicare Part D data, Dr. Chams' most prescribed drugs by claims were Hydrocodone-Acetaminophen and Tramadol HCl-Acetaminophen.
Has Dr. Roger Chams received payments from drug or device companies?
CMS Open Payments shows $3,752 in general payments to Dr. Chams from 7 companies from 2017 to 2025. The largest total came from Arthrex, Inc.
How long has Dr. Roger Chams been practicing?
Dr. Chams graduated from medical school in 1992, 34 years ago.
Does Dr. Roger Chams do research?
Dmand AI links 1 publication to Dr. Chams.
Who does Dr. Roger Chams publish with?
Dr. Chams' most frequent co-authors are Richard D. Ferkel, MD (1 shared paper).
What insurance does Dr. Roger Chams accept?
Dr. Chams is in network with 17 carriers, including Aetna, HCSC and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
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