AntidotesCocaineDeglutition
Dr. Niko I. Keys, MD
NPI1881783793PAC ID9436159266
- Medicare services, 2024
- 656
- Medicare patients, 2024
- 545
- Part D claims, 2024
- 328
- Publications
- 3
- Hospital affiliations
- 6
- 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. Keys' 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. Niko I. Keys is an emergency medicine physician in Winfield, Illinois
Dr. Keys practices at Northwestern Medicine Central DuPage Hospital in Winfield, Illinois, part of Northwestern Memorial HealthCare.
Dr. Keys' NPI, 1881783793, was assigned on October 11, 2006. Dr. Keys graduated from Rush Medical College in 1991. Dr. Keys holds Illinois license 036-087588.
NPI and contact details
- NPI
- 1881783793NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9436159266
- NPI enumeration date
- October 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
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Niko I. Keys practices at Northwestern Medicine Central DuPage Hospital in Winfield, Illinois
Dr. Keys' 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. Niko I. Keys is affiliated with 8 sites of care and 9 medical groups
Dr. Keys' primary practice is Northwestern Medicine Central DuPage Hospital in Winfield, Illinois, part of Northwestern Memorial HealthCare. Dr. Keys is also affiliated with OSF Saint Elizabeth Medical Center - Peru. The medical group on file is Northwestern Medicine Central DuPage Hospital. Dmand AI also links Dr. Keys to 4 more hospitals, 8 medical groups, 1 breast imaging center and 1 clinical lab, each named with a free account.
OSF Saint Elizabeth Medical Center - PeruNorthwestern Medicine Central DuPage Hospital4 hospitalsNames with a free account8 medical groupsNames with a free account1 breast imaging centerName with a free account1 clinical labName with a free account
See all 17 affiliations for Dr. KeysSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Niko I. Keys' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Keys practices, 8 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 |
| +7 more sites and 8 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every hospital where Dr. Keys practices
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. Niko I. Keys is one of 2,385 emergency medicine physicians in Illinois
Emergency medicine is Dr. Keys' primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Keys is board certified in emergency medicine by the American Board of Emergency Medicine. Dr. Keys is licensed in Illinois.
Specialties and state licenses
- Emergency medicine, IllinoisPrimary
Emergency medicine physicians near Dr. Keys
Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
2,385emergency medicine physicians in Illinois32emergency medicine physicians in Winfield29emergency medicine physicians at Northwestern Medicine Central DuPage Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Niko I. Keys billed Medicare for 656 services in 2024
CMS data shows 656 Medicare services from Dr. Keys across 4 procedure codes in 2024, for 545 Medicare patients. Medicare paid $75,869 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2024656
Medicare patients545
Paid by Medicare$75,869
Procedure codes4
Dr. Keys' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6752024: 54919%
- Tests and treatments
- 2023: 02024: 107
Dr. Keys compared with the Illinois median for emergency medicine physicians, 2024
- Dr. Keys
- Illinois median
- Medicare services
- 656vs 2742.4 times
- Medicare patients
- 545vs 273100% above
- Part D claims
- 191vs 454.2 times
Medians across 2,281 emergency medicine physicians in Illinois with Dmand AI profiles that report each measure.
Dr. Keys' 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. Keys?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Keys and other emergency medicine physicians in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Niko I. Keys treated 545 Medicare patients in 2024, average age 77
CMS counts 545 Medicare patients who saw Dr. Keys in 2024. The largest group is 75 to 84, with 213 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 17% are also on Medicaid. Their average risk score is 1.95, 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. Keys' median patient age at 58, with 60% women.
Medicare patients, 2024545
Average age77
Average risk score1.95
Also on Medicaid17%
Dr. Keys' Medicare patients by age, 2024
Dr. Keys' Medicare patients by sex, 2024
- Women31959%
- Men22641%
Chronic conditions among Dr. Keys' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis61%
- Anxiety44%
- Ischemic heart disease44%
- Mood disorders44%
- Depression40%
- Chronic kidney disease39%
Share of Medicare patients with each condition. A patient can have several.
Dr. Keys' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women60%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Niko I. Keys wrote 328 Medicare Part D claims in 2024
In 2024, Dr. Keys wrote 328 Medicare Part D claims for 209 patients. 96% of them were for generic drugs. CMS names the drug for 191 of them, across 7 drugs with 11 or more claims each, at $892 in total drug cost. In 2023, CMS named 203 claims across 8 drugs.
Part D claims, 2024328
Drugs named by CMS7
Total drug cost$892
Part D patients209
Dr. Keys' Part D claims by kind of drug, 2024
- Generic315 claims96%
- Brand-name and other13 claims4%
Dr. Keys' 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. Keys' Part D claims, 2024
- Opioids17%56 of 328 claims
- Antibiotics27%90 of 328 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: 2032024: 1916%
Drugs named by CMS: 7 in 2024, 8 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. Niko I. Keys takes part in Medicare
Dr. Keys accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Find emergency medicine physicians like Dr. Keys by procedure volume and prescribing
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Niko I. Keys has 3 publications on record
Dmand AI links 3 papers to Dr. Keys. Dr. Keys' most frequent co-authors are Steven E. Aks, DO and Daniel Hryhorczuk.
Papers3
Dr. Keys' most frequent co-authors
Recent publications by Dr. Keys
Ann Agric Environ Med
AerosolsAir MicrobiologyColony Count, Microbial
ChicagoEthanolGlasgow Coma Scale
See who Dr. Keys researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Keys works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Niko I. Keys graduated from Rush Medical College
Dr. Keys graduated from Rush Medical College in 1991.
- Medical school
- Board certified in emergency medicine
Source: Dmand AI Professional Profile Data
Dr. Niko I. Keys accepts plans from 4 insurance carriers
Dr. Keys is in network with 4 carriers, including HCSC, United Healthcare and CMS Medicare. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.
- HCSC
- United Healthcare
- CMS Medicare
- DentaQuest
Plan types Dr. Keys accepts, by number of carriers
- Medicare3
- HMO2
- POS2
- PPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Niko I. Keys'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Niko I. Keys
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. Niko I. Keys' NPI number?
Dr. Niko I. Keys' NPI number is 1881783793. It was assigned on October 11, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Niko I. Keys?
Dr. Niko I. Keys is an emergency medicine physician in Winfield, Illinois. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Niko I. Keys practice?
Dr. Keys practices at 25 North Winfield Road, Winfield, IL 60190. Dr. Keys' primary practice is Northwestern Medicine Central DuPage Hospital in Winfield, Illinois, part of Northwestern Memorial HealthCare. Dmand AI also links Dr. Keys to 4 hospitals, 8 medical groups, 1 breast imaging center and 1 clinical lab.
What is Dr. Niko I. Keys' office phone number?
The practice phone on file for Dr. Keys is (630) 682-1600.
What is Dr. Niko I. Keys' medical license number?
Dr. Keys holds Illinois license 036-087588.
Which hospitals is Dr. Niko I. Keys affiliated with?
Dr. Keys practices at Northwestern Medicine Central DuPage Hospital in Winfield, Illinois. Dr. Keys is also affiliated with OSF Saint Elizabeth Medical Center - Peru. Dmand AI links Dr. Keys to 4 more hospitals.
What medical group is Dr. Niko I. Keys part of?
Dr. Keys is linked to Northwestern Medicine Central DuPage Hospital. Dmand AI links Dr. Keys to 8 more medical groups.
Does Dr. Niko I. Keys accept Medicare?
Yes. CMS data shows Dr. Keys billed Medicare for 656 services in 2024, and Dr. Keys accepts Medicare assignment.
How many Medicare patients does Dr. Niko I. Keys see?
CMS counts 545 Medicare patients who saw Dr. Keys in 2024, with an average age of 77.
Is Dr. Niko I. Keys board certified?
Yes. Dr. Keys is board certified in emergency medicine by the American Board of Emergency Medicine.
Show 7 more questionsShow fewer questions
What services does Dr. Niko I. Keys bill to Medicare?
In 2024, Dr. Keys' most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and heart test or procedure (93010).
Where did Dr. Niko I. Keys go to medical school?
Dr. Keys graduated from Rush Medical College in 1991.
What drugs does Dr. Niko I. Keys prescribe most?
In 2024 Medicare Part D data, Dr. Keys' most prescribed drugs by claims were Prednisone, Hydrocodone-Acetaminophen and Cephalexin.
How long has Dr. Niko I. Keys been practicing?
Dr. Keys graduated from medical school in 1991, 35 years ago.
Does Dr. Niko I. Keys do research?
Dmand AI links 3 publications to Dr. Keys.
Who does Dr. Niko I. Keys publish with?
Dr. Keys' most frequent co-authors are Steven E. Aks, DO (1 shared paper) and Daniel Hryhorczuk (1 shared paper).
What insurance does Dr. Niko I. Keys accept?
Dr. Keys is in network with 4 carriers, including HCSC, United Healthcare and CMS Medicare. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.
Selling to emergency medicine practices?
See emergency medicine physicians in Illinois by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card