Sofya Zak, APRN
- Part D claims, 2024
- 111
- Hospital affiliations
- 1
- Industry payments
- $146
- Medical groups
- 2
- State license
- 1
- Practice address
- 225 E Chicago Ave, Box 140, Chicago, IL 60611
- Practice phone
- Call (312) 227-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Sofya Zak'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.
Sofya Zak is a pediatric nephrology physician in Chicago, Illinois
Sofya Zak practices at Ann & Robert H. Lurie Children's Hospital of Chicago in Chicago, Illinois, part of Ann & Robert H. Lurie Children's Hospital of Chicago.
Sofya Zak's NPI, 1699483990, was assigned on November 7, 2022. Sofya Zak holds Illinois license 209026067.
- NPI
- 1699483990NPI Registry (opens in a new tab)
- NPI enumeration date
- November 7, 2022
- NPI status
- Active
- Practice phone
- (312) 227-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 30
- Medical school graduation
- 2022
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Sofya Zak practices at Ann & Robert H. Lurie Children's Hospital of Chicago in Chicago, Illinois
Sofya Zak's primary practice is Ann & Robert H. Lurie Children's Hospital of Chicago, at 225 E Chicago Ave, Box 140, Chicago, IL 60611 in Cook County. The practice phone is (312) 227-4000.
- Ann & Robert H. Lurie Children's Hospital of Chicago225 E Chicago Ave, Box 140, Chicago, IL 60611 · Cook CountyPhone(312) 227-4000
Source: Dmand AI Affiliation Data
Sofya Zak is affiliated with 2 sites of care and 2 medical groups
Sofya Zak's primary practice is Ann & Robert H. Lurie Children's Hospital of Chicago in Chicago, Illinois, part of Ann & Robert H. Lurie Children's Hospital of Chicago. The medical group on file is Lurie Children's Medical Group. Dmand AI also links Sofya Zak to 1 more clinical lab and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Sofya Zak's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Sofya Zak practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ann & Robert H. Lurie Children's Hospital of Chicago | Available with a free account |
| +1 more site and 1 medical group | 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 Ann & Robert H. Lurie Children's Hospital of Chicago and 6.2K+ hospitals, with verified contacts in the same login.
Sofya Zak is one of 37 pediatric nephrology physicians in Illinois
Pediatric nephrology is Sofya Zak's primary specialty in the NPI Registry, under taxonomy code 2080P0210X. Sofya Zak is licensed in Illinois.
Specialties and state licenses
- Pediatric nephrology, IllinoisPrimary
Pediatric nephrology physicians near Sofya Zak
Counts of pediatric nephrology physicians 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
Sofya Zak's patients have a median age of 15
Across all payers, Dmand AI patient panel data puts Sofya Zak's median patient age at 15, with 44% women.
Sofya Zak's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 15
Patient panel by sex, all payers
- Women44%
- Men56%
Source: Dmand AI Patient Panel Data
Sofya Zak wrote 111 Medicare Part D claims in 2024
In 2024, Sofya Zak wrote 111 Medicare Part D claims for 15 patients. 86% of them were for generic drugs. CMS names the drug for 44 of them, across 3 drugs with 11 or more claims each, at $6,623 in total drug cost. In 2023, CMS named 31 claims across 2 drugs.
Sofya Zak's Part D claims by kind of drug, 2024
- Generic96 claims86%
- Brand-name and other15 claims14%
Sofya Zak'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 Sofya Zak's Part D claims, 2024
- Antibiotics11%12 of 111 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: 312024: 4442%
Drugs named by CMS: 3 in 2024, 2 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
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Sofya Zak received $146 in industry payments in 2023
CMS Open Payments shows 2 general payments to Sofya Zak from 2 drug and device companies in 2023. Food and beverage make up the largest share, 100% of the total. Takeda Pharmaceuticals U.S.A., Inc. paid the most, $119.
Companies that paid Sofya Zak the most, 2023 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Sofya Zak'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 Sofya Zak
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Sofya Zak's NPI number?
Sofya Zak's NPI number is 1699483990. It was assigned on November 7, 2022, and it is active in the NPI Registry.
What does Sofya Zak specialize in?
Sofya Zak is a pediatric nephrology physician in Chicago, Illinois. The primary specialty in the NPI Registry is Pediatric Nephrology Physician (taxonomy code 2080P0210X).
Where does Sofya Zak practice?
Sofya Zak practices at 225 E Chicago Ave, Box 140, Chicago, IL 60611. Sofya Zak's primary practice is Ann & Robert H. Lurie Children's Hospital of Chicago in Chicago, Illinois, part of Ann & Robert H. Lurie Children's Hospital of Chicago. Dmand AI also links Sofya Zak to 1 clinical lab and 1 medical group.
What is Sofya Zak's office phone number?
The practice phone on file for Sofya Zak is (312) 227-4000.
What is Sofya Zak's medical license number?
Sofya Zak holds Illinois license 209026067.
Which hospitals is Sofya Zak affiliated with?
Sofya Zak practices at Ann & Robert H. Lurie Children's Hospital of Chicago in Chicago, Illinois.
What medical group is Sofya Zak part of?
Sofya Zak is linked to Lurie Children's Medical Group. Dmand AI links Sofya Zak to 1 more medical group.
What drugs does Sofya Zak prescribe most?
In 2024 Medicare Part D data, Sofya Zak's most prescribed drugs by claims were Tacrolimus, Katerzia and Sulfamethoxazole-Trimethoprim.
Has Sofya Zak received payments from drug or device companies?
CMS Open Payments shows $146 in general payments to Sofya Zak from 2 companies from 2023 to 2023. The largest total came from Takeda Pharmaceuticals U.S.A., Inc.
How long has Sofya Zak been practicing?
Sofya Zak graduated from medical school in 2022, 4 years ago.
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