Immunotherapy, AdoptiveOncologistsReceptors, Chimeric Antigen
Dr. Gary E. Kay, MD
NPI1205897923PAC ID2769431055
- Medicare services, 2024
- 2,672
- Medicare patients, 2024
- 244
- Part D claims, 2024
- 569
- Publications
- 1
- Hospital affiliations
- 1
- Practice address
- 3701 Algonquin Rd, Rolling Meadows, IL 60008
- Practice phone
- Call (847) 437-3312
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Northwest Oncology and Hematology SC
Rolling Meadows, Illinois
Find Dr. Kay's professional email, personal email and mobile number
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Dr. Gary E. Kay is a hematologist and oncologist in Rolling Meadows, Illinois
Dr. Kay practices at Northwest Oncology and Hematology SC in Rolling Meadows, Illinois.
Dr. Kay's NPI, 1205897923, was assigned on March 31, 2006. Dr. Kay graduated from Duke University School of Medicine in 1983.
NPI and contact details
- NPI
- 1205897923NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2769431055
- NPI enumeration date
- March 31, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (847) 437-3312
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 69
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gary E. Kay practices at Northwest Oncology and Hematology SC in Rolling Meadows, Illinois
Dr. Kay's primary practice is Northwest Oncology and Hematology SC, at 3701 Algonquin Rd, Rolling Meadows, IL 60008 in Cook County. The practice phone is (847) 437-3312.
- Northwest Oncology and Hematology SC3701 Algonquin Rd, Rolling Meadows, IL 60008 · Cook CountyPhone(847) 437-3312
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Gary E. Kay is affiliated with 2 sites of care and 1 medical group
Dr. Kay's primary practice is Northwest Oncology and Hematology SC in Rolling Meadows, Illinois. Dr. Kay is also affiliated with Ascension Alexian Brothers. The medical group on file is Northwest Oncology & Hematology.
Northwest Oncology and Hematology SCPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gary E. Kay's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kay practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwest Oncology and Hematology SC | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gary E. Kay is one of 563 hematologists and oncologists in Illinois
Hematology and oncology is Dr. Kay's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Kay has a license on file in Illinois.
Specialties and state licenses
- Hematology and oncology, Illinois
Hematologists and oncologists near Dr. Kay
Counts of hematologists and oncologists 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. Gary E. Kay billed Medicare for 2,672 services in 2024
CMS data shows 2,672 Medicare services from Dr. Kay across 22 procedure codes in 2024, for 244 Medicare patients. Medicare paid $77,003 for them.
Medicare services, 20242,672
Medicare patients244
Paid by Medicare$77,003
Procedure codes22
Dr. Kay's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 1,6722024: 1,32721%
- Office and hospital visits
- 2023: 7672024: 56826%
- Drugs given in the office
- 2023: 27,0192024: 47898%
- Tests and treatments
- 2023: 5102024: 29941%
Where Dr. Kay's Medicare services took place, 2024
- In an office2,64399%
- In a facility291%
Dr. Kay compared with the Illinois median for hematologists and oncologists, 2024
- Dr. Kay
- Illinois median
- Medicare services
- 2,672vs 1,0562.5 times
- Medicare patients
- 244vs 28213% below
- Part D claims
- 375vs 32814% above
Medians across 547 hematologists and oncologists in Illinois with Dmand AI profiles that report each measure.
Dr. Kay'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. Kay?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Kay and other hematologists and oncologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gary E. Kay treated 244 Medicare patients in 2024, average age 76
CMS counts 244 Medicare patients who saw Dr. Kay in 2024. The largest group is 75 to 84, with 101 patients. 75% of them have high cholesterol, and 73% have high blood pressure. 6% are also on Medicaid. Their average risk score is 1.81, 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. Kay's median patient age at 72, with 32% women.
Medicare patients, 2024244
Average age76
Average risk score1.81
Also on Medicaid6%
Dr. Kay's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Kay's Medicare patients by sex, 2024
- Women13756%
- Men10744%
Chronic conditions among Dr. Kay's Medicare patients, 2024
- High cholesterol75%
- High blood pressure73%
- Arthritis50%
- Cancer46%
- Ischemic heart disease35%
- Chronic kidney disease29%
- Diabetes29%
- Anxiety27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kay's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women32%
- Men64%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gary E. Kay wrote 569 Medicare Part D claims in 2024
In 2024, Dr. Kay wrote 569 Medicare Part D claims for 92 patients. 74% of them were for generic drugs. CMS names the drug for 375 of them, across 13 drugs with 11 or more claims each, at $1,165,921 in total drug cost. In 2023, CMS named 302 claims across 13 drugs.
Part D claims, 2024569
Drugs named by CMS13
Total drug cost$1.2M
Part D patients92
Dr. Kay's Part D claims by kind of drug, 2024
- Generic419 claims74%
- Brand-name and other150 claims26%
Dr. Kay'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. Kay's Part D claims, 2024
- Antibiotics2%14 of 569 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: 3022024: 37524%
Drugs named by CMS: 13 in 2024, 13 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. Gary E. Kay scored 0 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 0 out of 100 for Dr. Kay for performance year 2024, reported individually. Dr. Kay accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Kay's MIPS scores, performance year 2024
- 0of 100Final score
- 0of 100Quality
- 0of 100Promoting Interoperability
- 0of 100Improvement Activities
- 0of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Gary E. Kay has 1 publication on record
Dmand AI links 1 paper to Dr. Kay in 2024.
Papers1
Recent publications by Dr. Kay
See who Dr. Kay researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Kay works with, so you can find a warm path to the right hematologists and oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Gary E. Kay received $604,193 in industry payments from 2016 to 2025
CMS Open Payments shows 1,218 general payments to Dr. Kay from 83 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 69% of the total. Amgen Inc. paid the most, $135,347.
General payments to Dr. Kay by program year, 2016 to 2025
General payments to Dr. Kay by kind, 2016 to 2025
$604.2Kin total
- Speaker and faculty fees$415,91969%
- Consulting fees$101,47817%
- Travel and lodging$62,85210%
- Food and beverage$22,4294%
- Other$1,5150%
Companies that paid Dr. Kay 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. Gary E. Kay graduated from Duke University School of Medicine
Dr. Kay graduated from Duke University School of Medicine in 1983.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gary E. Kay'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| 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. Gary E. Kay
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. Gary E. Kay's NPI number?
Dr. Gary E. Kay's NPI number is 1205897923. It was assigned on March 31, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gary E. Kay?
Dr. Gary E. Kay is a hematologist and oncologist in Rolling Meadows, Illinois. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Gary E. Kay practice?
Dr. Kay practices at 3701 Algonquin Rd, Rolling Meadows, IL 60008. Dr. Kay's primary practice is Northwest Oncology and Hematology SC in Rolling Meadows, Illinois.
What is Dr. Gary E. Kay's office phone number?
The practice phone on file for Dr. Kay is (847) 437-3312.
Which hospitals is Dr. Gary E. Kay affiliated with?
Dr. Kay is affiliated with Ascension Alexian Brothers.
What medical group is Dr. Gary E. Kay part of?
Dr. Kay is linked to Northwest Oncology & Hematology.
Does Dr. Gary E. Kay accept Medicare?
Yes. CMS data shows Dr. Kay billed Medicare for 2,672 services in 2024, and Dr. Kay accepts Medicare assignment.
What is Dr. Gary E. Kay's MIPS score?
Dr. Kay's MIPS final score for performance year 2024 is 0 out of 100, reported individually.
How many Medicare patients does Dr. Gary E. Kay see?
CMS counts 244 Medicare patients who saw Dr. Kay in 2024, with an average age of 76.
What services does Dr. Gary E. Kay bill to Medicare?
In 2024, Dr. Kay's most billed Medicare services were lab and pathology test (85025), injected or infused drug (J1100) and lab and pathology test (80053).
Show 5 more questionsShow fewer questions
Where did Dr. Gary E. Kay go to medical school?
Dr. Kay graduated from Duke University School of Medicine in 1983.
What drugs does Dr. Gary E. Kay prescribe most?
In 2024 Medicare Part D data, Dr. Kay's most prescribed drugs by claims were Letrozole, Eliquis and Gabapentin.
Has Dr. Gary E. Kay received payments from drug or device companies?
CMS Open Payments shows $604,193 in general payments to Dr. Kay from 83 companies from 2016 to 2025. The largest total came from Amgen Inc.
How long has Dr. Gary E. Kay been practicing?
Dr. Kay graduated from medical school in 1983, 43 years ago.
Does Dr. Gary E. Kay do research?
Dmand AI links 1 publication to Dr. Kay.
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