GUY CHRISTOPHER CHAREST (DO) – Dermatology Physician, NPI 1770102600
Dermatology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,284 DERMATOLOGY in TX
Provider Addresses for GUY CHRISTOPHER CHAREST (DO)
1450 N PRESTON RD STE 60
PROSPER, TX 750789890
Phone: (972) 316-4555
Fax: (469) 802-1548
Type: Mailing
4471 LONG PRAIRIE RD STE 100
FLOWER MOUND, TX 750281755
Phone: (972) 316-4555
Fax: (972) 316-4550
Type: Location
7400 E Thompson Peak Pkwy
Scottsdale, AZ 852554109
Phone: (480) 324-7398
Type: Location
PO BOX 969
GRAHAM, TX 764500969
Phone:
Type: Mailing
7400 E THOMPSON PEAK PKWY
SCOTTSDALE, AZ 852554109
Phone: (480) 324-7398
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 56 Open Payments records for all available years, with a total value of $1,727.
Total Amount is formed as General ($1,727) + Research ($0) + Ownership ($0) = $1,727.
Last reported payment date: 2024-12-18 • Largest payer in this snapshot: GENZYME CORPORATION ($431).
Total Amount
$1,727
General + Research + Ownership
Payments
56
Total payment records
General Amount
$1,727
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| GENZYME CORPORATION | $431 |
| Janssen Scientific Affairs, LLC | $259 |
| ABBVIE INC. | $189 |
| Dermavant Sciences, Inc. | $149 |
| Lilly USA, LLC | $131 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2024-07-08
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20240708001473 | I | Dermatology | TX | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 75078)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | TX | |
| Physician Assistant | TX | |
| Nurse Practitioner | TX | |
| D E R M A T O L O G Y | FL | |
| D E R M A T O L O G Y | TX | |
| - | TX | |
| D E R M A T O L O G Y | TX | |
| Physician Assistant | TX | |
| Physician Assistant | OH | |
| - | TX |
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