Quick answers
- Does Melissa M. Zeliznik accept Medicare assignment?
- Yes. Medicare's clinician data says Melissa M. Zeliznik 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 Melissa M. Zeliznik see?
- In 2024, CMS data shows 167 Original Medicare patients and 383 services for Melissa M. Zeliznik. This counts Original Medicare only and measures volume, not quality.
- What is Melissa M. Zeliznik's NPI number?
- 1790527703. 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 Melissa M. Zeliznik, 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 | 167 |
|---|---|
| Services billed to Medicare | 383 |
| Different services or procedures | 28 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)100 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)56 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)52 services
- Administration of influenza virus vaccine (G0008)40 services
- Influenza vaccine, inactivated (90653)22 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 cholesterol72%
- High blood pressure68%
- Arthritis47%
- Anxiety25%
- Diabetes22%
- Ischemic heart disease22%
Hospitals where Melissa M. Zeliznik works
Medicare's Facility Affiliation Data lists Melissa M. Zeliznik 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.
- Carroll Hospital CenterWestminster, MD · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 210033
- Frederick Health HospitalFrederick, MD · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 210005
Practice locations
Addresses where Melissa M. Zeliznik is enrolled with Medicare (CMS data updated October 2, 2026).
- 1194 Dutchmans Creek DrBrunswick, MD 21716 (240) 215‑6310
- 187 Thomas Johnson Dr, Suite 6Frederick, MD 21702
- 504 E Ridgeville Blvd, Suite 110Mount Airy, MD 21771 (301) 829‑5906
Group practices
Medicare enrollment lists Melissa M. Zeliznik as a member of these groups (CMS data updated October 2, 2026).
- Amber Hill Physical Therapy Inc334 clinicians in the group
- Frederick Health Hospital Inc127 clinicians in the group
- Carroll Health Group LLC70 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Brunswick
Clinicians with the same Medicare primary specialty in Brunswick, MD — not a recommendation.
Other clinicians in Amber Hill Physical Therapy Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2024 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1790527703 |
| 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