Quick answers
- Does Mariann Melicharek accept Medicare assignment?
- Yes. Medicare's clinician data says Mariann Melicharek 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 Mariann Melicharek see?
- In 2024, CMS data shows 1,065 Original Medicare patients and 2,072 services for Mariann Melicharek. This counts Original Medicare only and measures volume, not quality.
- What is Mariann Melicharek's NPI number?
- 1316039175. 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 Mariann Melicharek, 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 | 1,065 |
|---|---|
| Services billed to Medicare | 2,072 |
| Different services or procedures | 56 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)888 services
- Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza (87428)299 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)169 services
- Automated urinalysis test (81003)130 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)112 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 cholesterol75%
- High blood pressure68%
- Arthritis50%
- Ischemic heart disease29%
- Anxiety24%
- Diabetes23%
Hospitals where Mariann Melicharek works
Medicare's Facility Affiliation Data lists Mariann Melicharek 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.
- Suny/Stony Brook University HospitalStony Brook, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330393
Practice locations
Addresses where Mariann Melicharek is enrolled with Medicare (CMS data updated October 2, 2026).
- 1850 Sunrise HwyBay Shore, NY 11706 (631) 581‑5900
- 2248 31st StAstoria, NY 11105 (718) 571‑9192
Group practices
Medicare enrollment lists Mariann Melicharek as a member of this group (CMS data updated October 2, 2026).
- City Medical of Upper East Side PLLC658 clinicians in the group
Specialties
- General Practiceprimary
Other general practitioners in New York
Clinicians with the same Medicare primary specialty in New York — not a recommendation.
Other clinicians in City Medical of Upper East Side PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of New York Downstate Medical Center |
| Graduation year | 1991 (35 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1316039175 |
| 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