Anna Zaleska, MD
NPI 1720216526 · Hospitalist Physician · Orland Park, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Anna Zaleska, MD is a Hospitalist Physician provider in Orland Park, IL (NPI 1720216526).
Provider details
- NPI number
- 1720216526
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 036129208 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
16 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
627 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 96 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 93 | $94 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 80 | $10 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 76 | $8 |
| Blood Test, Thyroid Stimulating Hormone (tsh)84443 | 67 | $16 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 65 | $13 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 62 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 175 | 80 |
| Amlodipine Besylate | 172 | 73 |
| Levothyroxine Sodium | 167 | 69 |
| Rosuvastatin Calcium | 143 | 49 |
| Losartan Potassium | 136 | 54 |
| Metoprolol Succinate | 103 | 47 |
| Metformin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$27 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-06-30
- Last updated
- 2025-06-17
- Certified
- 2025-06-17
Frequently asked questions
- What is Anna Zaleska's NPI number?
- Anna Zaleska's National Provider Identifier (NPI) is 1720216526, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Anna Zaleska's specialty?
- Anna Zaleska is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Anna Zaleska located?
- Anna Zaleska's practice location on file with NPPES is 16660 107th St, Orland Park, IL 60467-8898.
- What is Anna Zaleska's phone number?
- The practice phone number listed in the NPPES registry for Anna Zaleska is (708) 403-8500.
- Does Anna Zaleska accept Medicare?
- Anna Zaleska is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Anna Zaleska's NPI active?
- Yes — Anna Zaleska's NPI (1720216526) is active in the NPPES registry as of the last update on 2025-06-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.