Wiktoria Zaleska, MD
NPI 1568966703 · Student in an Organized Health Care Education/Training Program · Merced, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Wiktoria Zaleska, MD is a Student in an Organized Health Care Education/Training Program provider in Merced, CA (NPI 1568966703).
Provider details
- NPI number
- 1568966703
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 40 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 97 | 43 |
| Levothyroxine Sodium | 72 | 23 |
| Lisinopril | 62 | 24 |
| Losartan Potassium | 60 | 25 |
| Amlodipine Besylate | 51 | 27 |
| Gabapentin | 50 | 19 |
| Albuterol Sulfate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-03-22
- Last updated
- 2021-12-20
- Certified
- 2021-07-19
Frequently asked questions
- What is Wiktoria Zaleska's NPI number?
- Wiktoria Zaleska's National Provider Identifier (NPI) is 1568966703, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Wiktoria Zaleska's specialty?
- Wiktoria Zaleska is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Wiktoria Zaleska located?
- Wiktoria Zaleska's practice location on file with NPPES is 315 Mercy Ave Ste 301, Merced, CA 95340-8367.
- What is Wiktoria Zaleska's phone number?
- The practice phone number listed in the NPPES registry for Wiktoria Zaleska is (209) 564-3513.
- Does Wiktoria Zaleska accept Medicare?
- Wiktoria Zaleska is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Wiktoria Zaleska's NPI active?
- Yes — Wiktoria Zaleska's NPI (1568966703) is active in the NPPES registry as of the last update on 2021-12-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.