Dr. Jay Lawrence Koyner, MD
- Medicare services, 2024
- 378
- Medicare patients, 2024
- 130
- Part D claims, 2024
- 452
- Publications
- 2
- Hospital affiliations
- 1
- Practice address
- 5841 S Maryland Ave, Chicago, IL 60637
- Practice phone
- Call (773) 702-1530
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
The University of Chicago Medical Center
Chicago, Illinois
Find Dr. Koyner'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. Jay Lawrence Koyner is a nephrologist in Chicago, Illinois
Dr. Koyner practices at The University of Chicago Medical Center in Chicago, Illinois.
Dr. Koyner's NPI, 1275656340, was assigned on April 6, 2007. Dr. Koyner graduated from State University of New York at Stony Brook, School of Medicine in 2001.
- NPI
- 1275656340NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9133211253
- NPI enumeration date
- April 6, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (773) 702-1530
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jay Lawrence Koyner practices at The University of Chicago Medical Center in Chicago, Illinois
Dr. Koyner's primary practice is The University of Chicago Medical Center, at 5841 S Maryland Ave, Chicago, IL 60637 in Cook County. The practice phone is (773) 702-1530.
- The University of Chicago Medical Center5841 S Maryland Ave, Chicago, IL 60637 · Cook CountyPhone(773) 702-1530
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Jay Lawrence Koyner is affiliated with 2 sites of care and 2 medical groups
Dr. Koyner's primary practice is The University of Chicago Medical Center in Chicago, Illinois. Dr. Koyner is also affiliated with University of Chicago Medical Center. The medical group on file is UChicago Medicine Physicians. Dmand AI also links Dr. Koyner to 1 more medical group, named with a free account.
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. Jay Lawrence Koyner's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Koyner practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The University of Chicago Medical Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jay Lawrence Koyner is one of 534 nephrologists in Illinois
Nephrology is Dr. Koyner's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Koyner has a license on file in Illinois.
Specialties and state licenses
- Nephrology, Illinois
Nephrologists near Dr. Koyner
Counts of nephrologists 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. Jay Lawrence Koyner billed Medicare for 378 services in 2024
CMS data shows 378 Medicare services from Dr. Koyner across 7 procedure codes in 2024, for 130 Medicare patients. Medicare paid $26,259 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Koyner's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2582024: 2369%
- Other services
- 2023: 02024: 105
- Tests and treatments
- 2023: 742024: 3750%
Dr. Koyner compared with the Illinois median for nephrologists, 2024
- Dr. Koyner
- Illinois median
- Medicare services
- 378vs 1,28471% below
- Medicare patients
- 130vs 35764% below
- Part D claims
- 296vs 57849% below
Medians across 526 nephrologists in Illinois with Dmand AI profiles that report each measure.
Dr. Koyner'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. Koyner?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Koyner and other nephrologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jay Lawrence Koyner treated 130 Medicare patients in 2024, average age 72
CMS counts 130 Medicare patients who saw Dr. Koyner in 2024. The largest group is 65 to 74, with 47 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 36% are also on Medicaid. Their average risk score is 3.71, 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. Koyner's median patient age at 74, with 46% women.
Dr. Koyner's Medicare patients by age, 2024
Dr. Koyner's Medicare patients by sex, 2024
- Women5643%
- Men7457%
Chronic conditions among Dr. Koyner's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes61%
- Heart failure53%
- Arthritis48%
- Ischemic heart disease48%
- Atrial fibrillation32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Koyner's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women46%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jay Lawrence Koyner wrote 452 Medicare Part D claims in 2024
In 2024, Dr. Koyner wrote 452 Medicare Part D claims for 72 patients. 86% of them were for generic drugs. CMS names the drug for 296 of them, across 12 drugs with 11 or more claims each, at $57,195 in total drug cost. In 2023, CMS named 314 claims across 15 drugs.
Dr. Koyner's Part D claims by kind of drug, 2024
- Generic388 claims86%
- Brand-name64 claims14%
Dr. Koyner'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. Koyner's Part D claims, 2024
- Antibiotics6%25 of 452 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: 3142024: 2966%
Drugs named by CMS: 12 in 2024, 15 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. Jay Lawrence Koyner offers telehealth to Medicare patients
Dr. Koyner accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Koyner as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Jay Lawrence Koyner has 2 publications on record
Dmand AI links 2 papers to Dr. Koyner in 2025. Dr. Koyner's most frequent co-authors are Anna Kathryn Barker, MD, Xuan Han, MD and Michael Garrett Hermsen, MD.
Dr. Koyner's most frequent co-authors
- Anna Kathryn Barker, MD1 shared paper
- Xuan Han, MD1 shared paper
- Michael Garrett Hermsen, MD1 shared paper
Recent publications by Dr. Koyner
See who Dr. Koyner researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Koyner works with, so you can find a warm path to the right nephrologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Jay Lawrence Koyner received $120,831 in industry payments from 2016 to 2025
CMS Open Payments shows 100 general payments to Dr. Koyner from 12 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 83% of the total. Baxter Healthcare paid the most, $51,141. It also lists 1 research payment totaling $1,867 in 2017.
General payments to Dr. Koyner by program year, 2016 to 2025
General payments to Dr. Koyner by kind, 2016 to 2025
- Consulting fees$99,92183%
- Education$8,6957%
- Honoraria$4,0003%
- Travel and lodging$3,4093%
- Other$4,7734%
Companies that paid Dr. Koyner 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. Jay Lawrence Koyner graduated from State University of New York at Stony Brook, School of Medicine
Dr. Koyner graduated from State University of New York at Stony Brook, School of Medicine in 2001.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jay Lawrence Koyner'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) |
| 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. Jay Lawrence Koyner
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. Jay Lawrence Koyner's NPI number?
Dr. Jay Lawrence Koyner's NPI number is 1275656340. It was assigned on April 6, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Jay Lawrence Koyner?
Dr. Jay Lawrence Koyner is a nephrologist in Chicago, Illinois. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Jay Lawrence Koyner practice?
Dr. Koyner practices at 5841 S Maryland Ave, Chicago, IL 60637. Dr. Koyner's primary practice is The University of Chicago Medical Center in Chicago, Illinois. Dmand AI also links Dr. Koyner to 1 medical group.
What is Dr. Jay Lawrence Koyner's office phone number?
The practice phone on file for Dr. Koyner is (773) 702-1530.
Which hospitals is Dr. Jay Lawrence Koyner affiliated with?
Dr. Koyner is affiliated with University of Chicago Medical Center.
What medical group is Dr. Jay Lawrence Koyner part of?
Dr. Koyner is linked to UChicago Medicine Physicians. Dmand AI links Dr. Koyner to 1 more medical group.
Does Dr. Jay Lawrence Koyner accept Medicare?
Yes. CMS data shows Dr. Koyner billed Medicare for 378 services in 2024, and Dr. Koyner accepts Medicare assignment.
Does Dr. Jay Lawrence Koyner offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Koyner as offering telehealth services.
How many Medicare patients does Dr. Jay Lawrence Koyner see?
CMS counts 130 Medicare patients who saw Dr. Koyner in 2024, with an average age of 72.
What services does Dr. Jay Lawrence Koyner bill to Medicare?
In 2024, Dr. Koyner's most billed Medicare services were medicare service (G2211), office visit, established patient (99214) and hospital inpatient care (99233).
Show 6 more questionsShow fewer questions
Where did Dr. Jay Lawrence Koyner go to medical school?
Dr. Koyner graduated from State University of New York at Stony Brook, School of Medicine in 2001.
What drugs does Dr. Jay Lawrence Koyner prescribe most?
In 2024 Medicare Part D data, Dr. Koyner's most prescribed drugs by claims were Calcitriol, Losartan Potassium and Farxiga.
Has Dr. Jay Lawrence Koyner received payments from drug or device companies?
CMS Open Payments shows $120,831 in general payments to Dr. Koyner from 12 companies from 2016 to 2025. The largest total came from Baxter Healthcare.
How long has Dr. Jay Lawrence Koyner been practicing?
Dr. Koyner graduated from medical school in 2001, 25 years ago.
Does Dr. Jay Lawrence Koyner do research?
Dmand AI links 2 publications to Dr. Koyner.
Who does Dr. Jay Lawrence Koyner publish with?
Dr. Koyner's most frequent co-authors are Anna Kathryn Barker, MD (1 shared paper), Xuan Han, MD (1 shared paper) and Michael Garrett Hermsen, MD (1 shared paper).
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