Dr. Aaron A. Bare, MD
- Medicare services, 2024
- 2,727
- Medicare patients, 2024
- 921
- Part D claims, 2024
- 78
- Publications
- 2
- MIPS score, 2024
- 96
- Practice address
- 25 North Winfield Road, Winfield, IL 60190
- Practice phone
- Call (630) 682-1600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Bare'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. Aaron A. Bare is an orthopedic surgeon in Winfield, Illinois
Dr. Bare practices at Northwestern Medicine Central DuPage Hospital in Winfield, Illinois, part of Northwestern Memorial HealthCare.
Dr. Bare's NPI, 1902869670, was assigned on April 11, 2006. Dr. Bare graduated from Northwestern University Feinberg Medical School in 1999. Dr. Bare holds Indiana license 036-110017.
- NPI
- 1902869670NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3476523259
- NPI enumeration date
- April 11, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (630) 682-1600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Aaron A. Bare practices at Northwestern Medicine Central DuPage Hospital in Winfield, Illinois
Dr. Bare's primary practice is Northwestern Medicine Central DuPage Hospital, at 25 North Winfield Road, Winfield, IL 60190 in Du Page County. The practice phone is (630) 682-1600.
- Northwestern Medicine Central DuPage Hospital25 North Winfield Road, Winfield, IL 60190 · Du Page CountyPhone(630) 682-1600
Source: Dmand AI Affiliation Data
Dr. Aaron A. Bare is affiliated with 11 sites of care and 2 medical groups
Dr. Bare's primary practice is Northwestern Medicine Central DuPage Hospital in Winfield, Illinois, part of Northwestern Memorial HealthCare. Dr. Bare is also affiliated with Northwestern Medicine Palos Hospital. The medical group on file is Northwestern Medicine Regional Medical Group. Dmand AI also links Dr. Bare to 4 more hospitals, 2 group practices and clinics, 1 breast imaging center, 1 clinical lab, 1 home health agency and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Aaron A. Bare's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bare practices, 11 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwestern Medicine Central DuPage Hospital | Available with a free account |
| +10 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Northwestern Memorial HealthCare and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Aaron A. Bare is one of 849 orthopedic surgeons in Illinois
Orthopaedic surgery is Dr. Bare's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Bare is licensed in Indiana.
Specialties and state licenses
- Orthopaedic surgery, IndianaPrimary
Orthopedic surgeons near Dr. Bare
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. Aaron A. Bare billed Medicare for 2,727 services in 2024
CMS data shows 2,727 Medicare services from Dr. Bare across 17 procedure codes in 2024, for 921 Medicare patients. Medicare paid $306,470 for them.
Dr. Bare's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,0182024: 91810%
- Imaging
- 2023: 9372024: 9152%
- Drugs given in the office
- 2023: 3852024: 47624%
- Surgery
- 2023: 3332024: 41826%
Where Dr. Bare's Medicare services took place, 2024
- In an office2,54093%
- In a facility1877%
Dr. Bare compared with the Illinois median for orthopedic surgeons, 2024
- Dr. Bare
- Illinois median
- Medicare services
- 2,727vs 1,2502.2 times
- Medicare patients
- 921vs 2963.1 times
- Part D claims
- 29vs 12076% below
Medians across 741 orthopedic surgeons in Illinois with Dmand AI profiles that report each measure.
Dr. Bare'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. Bare?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Bare and other orthopedic surgeons in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Aaron A. Bare treated 921 Medicare patients in 2024, average age 73
CMS counts 921 Medicare patients who saw Dr. Bare in 2024. The largest group is 65 to 74, with 520 patients. 75% of them have arthritis, and 75% have high cholesterol. 8% are also on Medicaid. Their average risk score is 1.05, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Bare's median patient age at 66, with 52% women.
Dr. Bare's Medicare patients by age, 2024
Dr. Bare's Medicare patients by sex, 2024
- Women53258%
- Men38942%
Chronic conditions among Dr. Bare's Medicare patients, 2024
- Arthritis75%
- High cholesterol75%
- High blood pressure68%
- Anxiety26%
- Mood disorders25%
- Ischemic heart disease24%
- Diabetes23%
- Depression21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Bare's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women52%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Aaron A. Bare wrote 78 Medicare Part D claims in 2024
In 2024, Dr. Bare wrote 78 Medicare Part D claims for 55 patients. 99% of them were for generic drugs. CMS names the drug for 29 of them, across 1 drug with 11 or more claims each, at $47 in total drug cost. In 2023, CMS named 57 claims across 4 drugs.
Dr. Bare's Part D claims by kind of drug, 2024
- Generic77 claims99%
- Brand-name and other1 claims1%
Dr. Bare'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. Bare's Part D claims, 2024
- Opioids19%15 of 78 claims
- Antibiotics49%38 of 78 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: 572024: 2949%
Drugs named by CMS: 1 in 2024, 4 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
Dr. Aaron A. Bare scored 96 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 96 out of 100 for Dr. Bare for performance year 2024, reported through an alternative payment model (APM). Dr. Bare accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 70 procedures of upper limb (arm) arthroscopy (minimally invasive joint repair) by Dr. Bare, more than 92% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Bare's MIPS scores, performance year 2024
- 96of 100Final score
- 88.5of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Bare ranks in Medicare procedure volume
- Upper limb (arm) arthroscopy (minimally invasive joint repair)
- 92nd percentile70 procedures
- Knee replacement
- 53rd percentile20 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Lower limb (leg) arthroscopy (minimally invasive joint repair): 1 to 10 procedures (CMS shows small counts as a range)
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. Aaron A. Bare has 2 publications on record
Dmand AI links 2 papers to Dr. Bare, published from 2024 to 2025. Dr. Bare's most frequent co-authors are Sanjeev Bhatia, MD, Shaheen Jadidi, DO and Michael Brian Ellman, MD.
Dr. Bare's most frequent co-authors
- Sanjeev Bhatia, MD2 shared papers
- Shaheen Jadidi, DO2 shared papers
- Michael Brian Ellman, MD1 shared paper
Recent publications by Dr. Bare
See who Dr. Bare researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Bare 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. Aaron A. Bare received $215,184 in industry payments from 2016 to 2025
CMS Open Payments shows 277 general payments to Dr. Bare from 15 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 86% of the total. Medical Device Business Services, Inc. paid the most, $105,587.
General payments to Dr. Bare by program year, 2016 to 2025
General payments to Dr. Bare by kind, 2016 to 2025
- Consulting fees$185,12786%
- Travel and lodging$14,3237%
- Food and beverage$11,7355%
- Education$3,3552%
- Gifts$6440%
Companies that paid Dr. Bare the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Aaron A. Bare graduated from Northwestern University Feinberg Medical School
Dr. Bare graduated from Northwestern University Feinberg Medical School in 1999.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Aaron A. Bare'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)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) |
| 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 Dr. Aaron A. Bare
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. Aaron A. Bare's NPI number?
Dr. Aaron A. Bare's NPI number is 1902869670. It was assigned on April 11, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Aaron A. Bare?
Dr. Aaron A. Bare is an orthopedic surgeon in Winfield, Illinois. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Aaron A. Bare practice?
Dr. Bare practices at 25 North Winfield Road, Winfield, IL 60190. Dr. Bare's primary practice is Northwestern Medicine Central DuPage Hospital in Winfield, Illinois, part of Northwestern Memorial HealthCare. Dmand AI also links Dr. Bare to 4 hospitals, 2 group practices and clinics, 1 breast imaging center, 1 clinical lab, 1 home health agency and 1 medical group.
What is Dr. Aaron A. Bare's office phone number?
The practice phone on file for Dr. Bare is (630) 682-1600.
What is Dr. Aaron A. Bare's medical license number?
Dr. Bare holds Indiana license 036-110017.
Which hospitals is Dr. Aaron A. Bare affiliated with?
Dr. Bare practices at Northwestern Medicine Central DuPage Hospital in Winfield, Illinois. Dr. Bare is also affiliated with Northwestern Medicine Palos Hospital. Dmand AI links Dr. Bare to 4 more hospitals.
What medical group is Dr. Aaron A. Bare part of?
Dr. Bare is linked to Northwestern Medicine Regional Medical Group. Dmand AI links Dr. Bare to 1 more medical group.
Does Dr. Aaron A. Bare accept Medicare?
Yes. CMS data shows Dr. Bare billed Medicare for 2,727 services in 2024, and Dr. Bare accepts Medicare assignment.
What is Dr. Aaron A. Bare's MIPS score?
Dr. Bare's MIPS final score for performance year 2024 is 96 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Aaron A. Bare see?
CMS counts 921 Medicare patients who saw Dr. Bare in 2024, with an average age of 73.
Show 7 more questionsShow fewer questions
What services does Dr. Aaron A. Bare bill to Medicare?
In 2024, Dr. Bare's most billed Medicare services were diagnostic imaging (73030), injected or infused drug (J0702) and office visit, established patient (99213).
Where did Dr. Aaron A. Bare go to medical school?
Dr. Bare graduated from Northwestern University Feinberg Medical School in 1999.
What drugs does Dr. Aaron A. Bare prescribe most?
In 2024 Medicare Part D data, Dr. Bare's most prescribed drugs by claims were Amoxicillin.
Has Dr. Aaron A. Bare received payments from drug or device companies?
CMS Open Payments shows $215,184 in general payments to Dr. Bare from 15 companies from 2016 to 2025. The largest total came from Medical Device Business Services, Inc.
How long has Dr. Aaron A. Bare been practicing?
Dr. Bare graduated from medical school in 1999, 27 years ago.
Does Dr. Aaron A. Bare do research?
Dmand AI links 2 publications to Dr. Bare, published from 2024 to 2025.
Who does Dr. Aaron A. Bare publish with?
Dr. Bare's most frequent co-authors are Sanjeev Bhatia, MD (2 shared papers), Shaheen Jadidi, DO (2 shared papers) and Michael Brian Ellman, MD (1 shared paper).
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