Dr. Viktoriya Zelikson, MD
- Part D claims, 2024
- 557
- Hospital affiliations
- 1
- Industry payments
- $17
- State license
- 1
- Year NPI issued
- 2022
- Practice address
- 251 E Huron St, Chicago, IL 60611
- Practice phone
- Call (312) 926-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Zelikson's professional email, personal email and mobile number
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Dr. Viktoriya Zelikson is a hematologist and oncologist in Chicago, Illinois
Dr. Zelikson practices at Northwestern Memorial Hospital in Chicago, Illinois, part of Northwestern Memorial HealthCare.
Dr. Zelikson's NPI, 1538819974, was assigned on March 28, 2022. Dr. Zelikson holds Illinois license 036175496.
- NPI
- 1538819974NPI Registry (opens in a new tab)
- NPI enumeration date
- March 28, 2022
- NPI status
- Active
- Practice phone
- (312) 926-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Viktoriya Zelikson practices at Northwestern Memorial Hospital in Chicago, Illinois
Dr. Zelikson's primary practice is Northwestern Memorial Hospital, at 251 E Huron St, Chicago, IL 60611 in Cook County. The practice phone is (312) 926-2000.
- Northwestern Memorial Hospital251 E Huron St, Chicago, IL 60611 · Cook CountyPhone(312) 926-2000
Source: Dmand AI Affiliation Data
Dr. Viktoriya Zelikson is affiliated with 1 site of care
Dr. Zelikson's primary practice is Northwestern Memorial Hospital in Chicago, Illinois, part of Northwestern Memorial HealthCare.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Viktoriya Zelikson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zelikson practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwestern Memorial Hospital | 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. Viktoriya Zelikson is one of 563 hematologists and oncologists in Illinois
Hematology and oncology is Dr. Zelikson's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Zelikson is licensed in Illinois.
Specialties and state licenses
- Hematology and oncology, IllinoisPrimary
Hematologists and oncologists near Dr. Zelikson
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. Viktoriya Zelikson's patients have a median age of 47
Across all payers, Dmand AI patient panel data puts Dr. Zelikson's median patient age at 47, with 58% women.
Dr. Zelikson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 47
Patient panel by sex, all payers
- Women58%
- Men42%
Source: Dmand AI Patient Panel Data
Dr. Viktoriya Zelikson wrote 557 Medicare Part D claims in 2024
In 2024, Dr. Zelikson wrote 557 Medicare Part D claims for 82 patients. 77% of them were for generic drugs. CMS names the drug for 246 of them, across 15 drugs with 11 or more claims each, at $40,809 in total drug cost.
Dr. Zelikson's Part D claims by kind of drug, 2024
- Generic429 claims77%
- Brand-name and other128 claims23%
Dr. Zelikson'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. Zelikson's Part D claims, 2024
- Antibiotics2%12 of 557 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Viktoriya Zelikson received $17 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Zelikson from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Tempus AI, Inc paid the most, $17.
Companies that paid Dr. Zelikson the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Viktoriya Zelikson'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Viktoriya Zelikson
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What is Dr. Viktoriya Zelikson's NPI number?
Dr. Viktoriya Zelikson's NPI number is 1538819974. It was assigned on March 28, 2022, and it is active in the NPI Registry.
What kind of doctor is Dr. Viktoriya Zelikson?
Dr. Viktoriya Zelikson is a hematologist and oncologist in Chicago, Illinois. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Viktoriya Zelikson practice?
Dr. Zelikson practices at 251 E Huron St, Chicago, IL 60611. Dr. Zelikson's primary practice is Northwestern Memorial Hospital in Chicago, Illinois, part of Northwestern Memorial HealthCare.
What is Dr. Viktoriya Zelikson's office phone number?
The practice phone on file for Dr. Zelikson is (312) 926-2000.
What is Dr. Viktoriya Zelikson's medical license number?
Dr. Zelikson holds Illinois license 036175496, one of 2 state licenses on file.
Which hospitals is Dr. Viktoriya Zelikson affiliated with?
Dr. Zelikson practices at Northwestern Memorial Hospital in Chicago, Illinois.
What drugs does Dr. Viktoriya Zelikson prescribe most?
In 2024 Medicare Part D data, Dr. Zelikson's most prescribed drugs by claims were Atorvastatin Calcium, Albuterol Sulfate Hfa and Eliquis.
Has Dr. Viktoriya Zelikson received payments from drug or device companies?
CMS Open Payments shows $17 in general payments to Dr. Zelikson from 1 company from 2025 to 2025. The largest total came from Tempus AI, Inc.
How long has Dr. Viktoriya Zelikson been practicing?
Dr. Zelikson's NPI was assigned in 2022.
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