Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Nurse Practitioner

Melissa D. Fincher Mergi, NP

Works at hospitals in Lewiston, NY · Niagara Falls, NY · Buffalo, NY · New York

Summary

Melissa D. Fincher Mergi, NP is a nurse practitioner at 3101 9th St, Niagara Falls, NY 14305. Phone: (716) 284-8917. Accepts Medicare assignment. In 2024, Melissa D. Fincher Mergi had 40 Original Medicare patients and 119 services. NPI 1740350784. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Melissa D. Fincher Mergi, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Melissa D. Fincher Mergi accept Medicare assignment?
Yes. Medicare's clinician data says Melissa D. Fincher Mergi 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 D. Fincher Mergi see?
In 2024, CMS data shows 40 Original Medicare patients and 119 services for Melissa D. Fincher Mergi. This counts Original Medicare only and measures volume, not quality.
What is Melissa D. Fincher Mergi's NPI number?
1740350784. 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 D. Fincher Mergi, 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 patients40
Services billed to Medicare119
Different services or procedures12
Participating Medicare providerYes
Average age of these patients60

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)40 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)37 services
  3. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)14 services
  4. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)12 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%
  • Diabetes43%
  • Anxiety43%

Hospitals where Melissa D. Fincher Mergi works

Medicare's Facility Affiliation Data lists Melissa D. Fincher Mergi 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.

Practice locations

Addresses where Melissa D. Fincher Mergi is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Melissa D. Fincher Mergi as a member of this group (CMS data updated October 2, 2026).

  • Mount St. Marys Hospital of Niagara Falls90 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, New York →

Other nurse practitioners in Niagara Falls

Clinicians with the same Medicare primary specialty in Niagara Falls, NY — not a recommendation.

All nurse practitioners in Niagara Falls →

Other clinicians in Mount St. Marys Hospital of Niagara Falls

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialNP
Graduation year2004
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1740350784
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians