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Dermatology

Guy C. Charest, DO

Sees patients in Flower Mound, TX · Plano, TX · Texas

Summary

Guy C. Charest, DO (Dermatology) is enrolled with Medicare at 2 practice locations in Flower Mound, TX and Plano, TX. NPI 1770102600. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Guy C. Charest, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

DermatologyPrimary specialty
YesAccepts Medicare assignment
6Years since medical school (graduated 2020)
MaleGender (as listed)
Dr Michael McGuiness PAGroup practice

Quick answers

Where does Guy C. Charest see patients?
Medicare's clinician data lists 2 practice locations, including Flower Mound, TX and Plano, TX. Call before your visit to confirm the address.
What is Guy C. Charest's specialty?
Medicare lists Dermatology as the primary specialty.
Does Guy C. Charest accept Medicare assignment?
Yes. Medicare's clinician data says Guy C. Charest accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Guy C. Charest?
(972) 316-4555, as listed in official Medicare / NPI Registry data.
What is Guy C. Charest's NPI number?
1770102600. 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 Guy C. Charest is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Guy C. Charest as a member of this group (CMS data updated 2026-10-02).

  • Dr Michael McGuiness PA15 clinicians in the group

Specialties

Find other Dermatology doctors in Texas →

Other dermatologists in Texas

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

All dermatologists in Texas →

Clinician information

CredentialDO
Graduation year2020
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1770102600
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 2026-10-02, retrieved 2026-10-29
  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