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Physician Assistant

Melissa M. Heermans, PA

Works at hospitals in Amsterdam, NY · New York

Summary

Melissa M. Heermans, PA is a physician assistant at 380 Guy Park Ave, Amsterdam, NY 12010. Accepts Medicare assignment. NPI 1912962747. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Physician assistant
  • Address: 380 Guy Park Ave, Amsterdam, NY 12010 · Directions
  • Medicare: Accepts Medicare assignment
  • Hospital: St Mary's Healthcare
  • Group practice: St. Mary's Healthcare
  • School: graduated 2003
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Melissa M. Heermans, 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 M. Heermans accept Medicare assignment?
Yes. Medicare's clinician data says Melissa M. Heermans 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.
What is Melissa M. Heermans's NPI number?
1912962747. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Melissa M. Heermans works

Medicare's Facility Affiliation Data lists Melissa M. Heermans 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.

  • St Mary's HealthcareAmsterdam, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330047

Practice locations

Addresses where Melissa M. Heermans is enrolled with Medicare (CMS data updated October 2, 2026).

  • 380 Guy Park AveAmsterdam, NY 12010

Group practices

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

  • St. Mary's Healthcare115 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, New York →

Other physician assistants in Amsterdam

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

All physician assistants in Amsterdam →

Other clinicians in St. Mary's Healthcare

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

Clinician information

CredentialPA
Graduation year2003
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1912962747
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. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians