Dr. Leonid Zetser, MD
- Medicare services, 2024
- 1,541
- Medicare patients, 2024
- 526
- Part D claims, 2024
- 480
- MIPS score, 2024
- 69
- Industry payments
- $1,287
- Practice address
- 800 Biesterfield Rd, Elk Grove Village, IL 60007
- Practice phone
- Call (847) 437-5500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Ascension Alexian Brothers
Elk Grove Village, Illinois
Find Dr. Zetser'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. Leonid Zetser is a hospitalist in Elk Grove Village, Illinois
Dr. Zetser practices at Ascension Alexian Brothers in Elk Grove Village, Illinois.
Dr. Zetser's NPI, 1174577340, was assigned on May 20, 2006. Dr. Zetser holds Illinois license 036113804.
- NPI
- 1174577340NPI Registry (opens in a new tab)
- NPI enumeration date
- May 20, 2006
- NPI status
- Active
- Practice phone
- (847) 437-5500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Leonid Zetser practices at Ascension Alexian Brothers in Elk Grove Village, Illinois
Dr. Zetser's primary practice is Ascension Alexian Brothers, at 800 Biesterfield Rd, Elk Grove Village, IL 60007 in Cook County. The practice phone is (847) 437-5500.
- Ascension Alexian Brothers800 Biesterfield Rd, Elk Grove Village, IL 60007 · Cook CountyPhone(847) 437-5500
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Leonid Zetser is affiliated with 1 site of care
Dr. Zetser's primary practice is Ascension Alexian Brothers in Elk Grove Village, Illinois.
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Leonid Zetser's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zetser practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ascension Alexian Brothers | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Leonid Zetser is one of 1,321 hospitalists in Illinois
Hospitalist is Dr. Zetser's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Zetser is board certified in family medicine by the American Board of Family Medicine. Dr. Zetser is licensed in Illinois.
Specialties and state licenses
- Hospitalist, IllinoisPrimary
Hospitalists near Dr. Zetser
Counts of hospitalists 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. Leonid Zetser billed Medicare for 1,541 services in 2024
CMS data shows 1,541 Medicare services from Dr. Zetser across 5 procedure codes in 2024, for 526 Medicare patients. Medicare paid $148,817 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Zetser's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,5542024: 1,5411%
Dr. Zetser compared with the Illinois median for hospitalists, 2024
- Dr. Zetser
- Illinois median
- Medicare services
- 1,541vs 5432.8 times
- Medicare patients
- 526vs 2422.2 times
- Part D claims
- 243vs 534.6 times
Medians across 1,248 hospitalists in Illinois with Dmand AI profiles that report each measure.
Dr. Zetser'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Leonid Zetser treated 526 Medicare patients in 2024, average age 77
CMS counts 526 Medicare patients who saw Dr. Zetser in 2024. The largest group is 75 to 84, with 215 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 22% are also on Medicaid. Their average risk score is 2.33, 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. Zetser's median patient age at 73, with 38% women.
Dr. Zetser's Medicare patients by age, 2024
Dr. Zetser's Medicare patients by sex, 2024
- Women28755%
- Men23945%
Chronic conditions among Dr. Zetser's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis68%
- Ischemic heart disease56%
- Heart failure48%
- Chronic kidney disease45%
- Diabetes45%
- Atrial fibrillation44%
Share of Medicare patients with each condition. A patient can have several.
Dr. Zetser's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women38%
- Men63%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Leonid Zetser wrote 480 Medicare Part D claims in 2024
In 2024, Dr. Zetser wrote 480 Medicare Part D claims for 220 patients. 87% of them were for generic drugs. CMS names the drug for 243 of them, across 15 drugs with 11 or more claims each, at $24,223 in total drug cost. In 2023, CMS named 166 claims across 9 drugs.
Dr. Zetser's Part D claims by kind of drug, 2024
- Generic416 claims87%
- Brand-name and other64 claims13%
Dr. Zetser'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. Zetser's Part D claims, 2024
- Opioids7%35 of 480 claims
- Antibiotics15%73 of 480 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: 1662024: 24346%
Drugs named by CMS: 15 in 2024, 9 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. Leonid Zetser scored 69 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 69 out of 100 for Dr. Zetser for performance year 2024, reported individually.
Dr. Zetser's MIPS scores, performance year 2024
- 69of 100Final score
- 100of 100Quality
- 0of 100Improvement Activities
- 75of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Leonid Zetser received $1,287 in industry payments from 2016 to 2022
CMS Open Payments shows 12 general payments to Dr. Zetser from 7 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $427.
General payments to Dr. Zetser by program year, 2016 to 2022
Companies that paid Dr. Zetser the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Leonid Zetser is board certified in family medicine
- Board certified in family medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Leonid Zetser'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 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 | Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| 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. Leonid Zetser
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. Leonid Zetser's NPI number?
Dr. Leonid Zetser's NPI number is 1174577340. It was assigned on May 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Leonid Zetser?
Dr. Leonid Zetser is a hospitalist in Elk Grove Village, Illinois. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Leonid Zetser practice?
Dr. Zetser practices at 800 Biesterfield Rd, Elk Grove Village, IL 60007. Dr. Zetser's primary practice is Ascension Alexian Brothers in Elk Grove Village, Illinois.
What is Dr. Leonid Zetser's office phone number?
The practice phone on file for Dr. Zetser is (847) 437-5500.
What is Dr. Leonid Zetser's medical license number?
Dr. Zetser holds Illinois license 036113804.
Does Dr. Leonid Zetser accept Medicare?
Yes. CMS data shows Dr. Zetser billed Medicare for 1,541 services in 2024.
What is Dr. Leonid Zetser's MIPS score?
Dr. Zetser's MIPS final score for performance year 2024 is 69 out of 100, reported individually.
How many Medicare patients does Dr. Leonid Zetser see?
CMS counts 526 Medicare patients who saw Dr. Zetser in 2024, with an average age of 77.
Is Dr. Leonid Zetser board certified?
Yes. Dr. Zetser is board certified in family medicine by the American Board of Family Medicine.
What services does Dr. Leonid Zetser bill to Medicare?
In 2024, Dr. Zetser's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99239) and hospital inpatient care (99223).
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What drugs does Dr. Leonid Zetser prescribe most?
In 2024 Medicare Part D data, Dr. Zetser's most prescribed drugs by claims were Eliquis, Pantoprazole Sodium and Gabapentin.
Has Dr. Leonid Zetser received payments from drug or device companies?
CMS Open Payments shows $1,287 in general payments to Dr. Zetser from 7 companies from 2016 to 2022. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Leonid Zetser been practicing?
Dr. Zetser graduated from medical school in 1988, 38 years ago.
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