Wiktoria Zuzanna Zaleska, MD
Student in an Organized Health Care Education/Training Program · Merced, CA
Wiktoria Zuzanna Zaleska, MD is a student in an organized health care education/training program with a practice address in Merced, California, and NPI 1568966703, issued on Mar 22, 2018. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Wiktoria Zuzanna Zaleska
- Credential
- MD
- Primary taxonomy
- Student in an Organized Health Care Education/Training Program 390200000X
- Practice location
- 315 Mercy Ave Ste 301, Merced, CA 95340
- Phone
- (209) 564-3513
- Enumerated
- Mar 22, 2018
- Record last updated
- Dec 20, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20211011003177); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest student in an organized health care education/training program records → All 40,652 in California → Look up another NPI →
Also registered at 315 Mercy Ave Ste 301
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Muhammad Khizar BadarStudent in an Organized Health Care Education/Training Program1578401832
- Geoffrey Beck, M.D.Student in an Organized Health Care Education/Training Program1003265562
- Sandro CeromeStudent in an Organized Health Care Education/Training Program1033969936
- Theresa Chang, M.D.Family Medicine Physician1205134111
- Rimsha ChaudhryStudent in an Organized Health Care Education/Training Program1679260483
- Eric Cristobal, MDFamily Medicine Physician1710674510
Verify Wiktoria Zuzanna Zaleska in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
7.7 times the Medicare Part D claims of the average student in an organized health care education/training program in 2024
1,425 Medicare Part D claims for 222 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D. 55 claims were for opioids.
Most prescribed
- Atorvastatin Calcium97 claims
- Levothyroxine Sodium72 claims
- Lisinopril62 claims
- Losartan Potassium60 claims
- Amlodipine Besylate51 claims
- Gabapentin50 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Permanente Medical Group IncWatsonville, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Wiktoria Zuzanna Zaleska among 40,652 student in an organized health care education/training program records in California
Wiktoria Zuzanna Zaleska, MD is one of 40,652 student in an organized health care education/training program records with a practice address in California. 16% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 17% of them.
- NPI issued2018 · 17% of these records are older, 80% newer
- In a Medicare fileYes · 16% of these records are
- In the CMS Doctors and Clinicians fileYes · 6% of these records are
- Graduated2014 · median 2017 among the 2,409 with a school on file
- Record last updated2021 · 26% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
81 student in an organized health care education/training program records list a practice address in Merced
They are 81 of the 2,836 NPPES records with a practice address in Merced, and 40,652 student in an organized health care education/training program records in California.
All 40,652 in California → Every provider in Merced → Student in an Organized Health Care Education/Training Program nationwide →
The 8 student in an organized health care education/training program records with the nearest ZIP codes
- Geoffrey Beck, M.D.Merced, CA 953401003265562
- Isabel BrasilMerced, CA 953401396971743
- Yang CaoMerced, CA 953401912357567
- Alex Chin, D.O.Merced, CA 953401952834947
- Alejandro DavidenkoMerced, CA 953401245594902
- Michelle Espinola, B.A.Merced, CA 953401902045727
- Bojeong Kim, DOMerced, CA 953401932763638
- Avinoam Luzon, M.D.Merced, CA 953401215357835
Common questions
What is Wiktoria Zuzanna Zaleska, MD's NPI number?
Wiktoria Zuzanna Zaleska, MD's National Provider Identifier (NPI) is 1568966703, issued on Mar 22, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Wiktoria Zuzanna Zaleska, MD located?
The NPPES record lists a practice address at 315 Mercy Ave Ste 301, Merced, CA, 95340. Phone: (209) 564-3513. Providers update this record themselves, so call before visiting.
How can I verify Wiktoria Zuzanna Zaleska, MD's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Wiktoria Zuzanna Zaleska, MD prescribe under Medicare Part D?
In 2024, Wiktoria Zuzanna Zaleska, MD had 1,425 Medicare Part D claims for 222 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.