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Physician Assistant

Marissa J. Werchan, PA

Sees patients in Orlando, FL · Florida

Summary

Marissa J. Werchan, PA is a physician assistant at 22 W Underwood St, Orlando, FL 32806. Phone: (407) 648-3800. Accepts Medicare assignment. NPI 1396514998. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Physician assistant
  • Address: 22 W Underwood St, Orlando, FL 32806 · Directions (5 more locations)
  • Phone: (407) 648‑3800
  • Medicare: Accepts Medicare assignment
  • Group practice: Orlando Health Medical Group Inc
  • School: graduated 2023
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Marissa J. Werchan, 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 Marissa J. Werchan accept Medicare assignment?
Yes. Medicare's clinician data says Marissa J. Werchan 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 Marissa J. Werchan's NPI number?
1396514998. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Marissa J. Werchan is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.

Group practices

Medicare enrollment lists Marissa J. Werchan as a member of this group (CMS data updated October 2, 2026).

  • Orlando Health Medical Group Inc2,287 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Florida →

Other physician assistants in Orlando

Clinicians with the same Medicare primary specialty in Orlando, FL — not a recommendation.

All physician assistants in Orlando →

Other clinicians in Orlando Health Medical Group Inc

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

Clinician information

CredentialPA
Graduation year2023
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1396514998
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians