Quick answers
- Does Marzana Mleczko accept Medicare assignment?
- Yes. Medicare's clinician data says Marzana Mleczko accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Marzana Mleczko see?
- In 2024, CMS data shows 617 Original Medicare patients and 3,106 services for Marzana Mleczko. This counts Original Medicare only and measures volume, not quality.
- What is Marzana Mleczko's NPI number?
- 1770516437. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Marzana Mleczko, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 617 |
|---|---|
| Services billed to Medicare | 3,106 |
| Different services or procedures | 54 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Removal of fingernails or toenails, 1-5 nails (11720)666 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)469 services
- Removal of noncancer thickened skin growth, 2-4 growths (11056)454 services
- Removal of fingernails or toenails, 6 or more nails (11721)400 services
- Injection, dexamethasone sodium phosphate, 1 mg (J1100)287 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis58%
- Diabetes52%
- Ischemic heart disease40%
- Chronic kidney disease29%
Hospitals where Marzana Mleczko works
Medicare's Facility Affiliation Data lists Marzana Mleczko at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Long Island Jewish Medical CenterNew Hyde Park, NY · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 330195
- North Shore University HospitalManhasset, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330106
Practice locations
Addresses where Marzana Mleczko is enrolled with Medicare (CMS data updated October 2, 2026).
- 300 Community DrManhasset, NY 11030 (516) 562‑0100
Group practices
Medicare enrollment lists Marzana Mleczko as a member of this group (CMS data updated October 2, 2026).
- North Shore Lij Medical Group at North Nassau, PC35 clinicians in the group
Specialties
- Podiatryprimary
Other podiatrists in Manhasset
Clinicians with the same Medicare primary specialty in Manhasset, NY — not a recommendation.
Other clinicians in North Shore Lij Medical Group at North Nassau, PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DPM |
|---|---|
| Podiatric medical school | New York College Of Podiatric Medicine |
| Graduation year | 2001 (25 years since podiatric medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1770516437 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians