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Emergency Medicine

Jessica D. Guillaume, MD

Sees patients in Montgomery, OH · Oklahoma City, OK · Ohio, Oklahoma

Summary

Dr. Jessica D. Guillaume, MD is an emergency medicine doctor at 10500 Montgomery Rd, Montgomery, OH 45242. May accept Medicare assignment. NPI 1083361885. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Emergency medicine doctor (Medicare lists Emergency Medicine)
  • Address: 10500 Montgomery Rd, Montgomery, OH 45242 · Directions (1 more location)
  • Medicare: May accept Medicare assignment
  • Medical school: graduated 2023 (3 years since medical school)
  • Gender (as listed): Female
NPI Registry record Medicare profile

From official Medicare data

This page shows what Medicare's official clinician data says about Jessica D. Guillaume, 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 Jessica D. Guillaume accept Medicare assignment?
Medicare's clinician data says Jessica D. Guillaume may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
What is Jessica D. Guillaume's NPI number?
1083361885. 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 Jessica D. Guillaume is enrolled with Medicare (CMS data updated October 2, 2026).

  • 10500 Montgomery RdMontgomery, OH 45242
  • 3030 NW Expressway, Suite 1000Oklahoma City, OK 73112

Specialties

Find other Emergency Medicine doctors in Ohio →

Other emergency medicine doctors in Ohio

Clinicians with the same Medicare primary specialty in Ohio — not a recommendation.

All emergency medicine doctors in Ohio →

Clinician information

CredentialMD
Graduation year2023 (3 years since medical school)
Gender (as listed)Female
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1083361885
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