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Emergency Medicine

Kayla N. Guidry, DO

Sees patients in Fairfield, CT · Trumbull, CT · Connecticut

Summary

Dr. Kayla N. Guidry, DO is an emergency medicine doctor at 1055 Post Rd, Fairfield, CT 06824. Phone: (203) 259-3440. Accepts Medicare assignment. In 2024, Kayla N. Guidry had 261 Original Medicare patients and 648 services. NPI 1457848723. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Emergency medicine doctor (Medicare lists Emergency Medicine)
  • Address: 1055 Post Rd, Fairfield, CT 06824 · Directions (1 more location)
  • Phone: (203) 259‑3440
  • Medicare: Accepts Medicare assignment
  • Group practice: St. Vincents Urgent Care LLC
  • Medical school: Lake Erie College Of Osteopathic Medicine, Bradenton · graduated 2018 (8 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Kayla N. Guidry, 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 Kayla N. Guidry accept Medicare assignment?
Yes. Medicare's clinician data says Kayla N. Guidry 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 Kayla N. Guidry see?
In 2024, CMS data shows 261 Original Medicare patients and 648 services for Kayla N. Guidry. This counts Original Medicare only and measures volume, not quality.
What is Kayla N. Guidry's NPI number?
1457848723. 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 Kayla N. Guidry, 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 patients261
Services billed to Medicare648
Different services or procedures51
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)119 services
  2. Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza (87428)61 services
  3. Detection test by immunoassay with direct visual observation for influenza virus (87804)60 services
  4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)60 services
  5. X-ray of chest, 2 views (71046)46 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 pressure72%
  • Arthritis56%
  • Ischemic heart disease28%
  • Diabetes25%
  • Anxiety23%

Practice locations

Addresses where Kayla N. Guidry is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Kayla N. Guidry as a member of this group (CMS data updated October 2, 2026).

  • St. Vincents Urgent Care LLC42 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Connecticut →

Other emergency medicine doctors in Connecticut

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

All emergency medicine doctors in Connecticut →

Other clinicians in St. Vincents Urgent Care LLC

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

Clinician information

CredentialDO
Medical schoolLake Erie College Of Osteopathic Medicine, Bradenton
Graduation year2018 (8 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1457848723
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. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians