DR. GREG WINSTON ZHANG (MD, MS) – Undersea and Hyperbaric Medicine (Preventive Medicine) Physician, NPI 1366173296
Undersea and Hyperbaric Medicine (Preventive Medicine) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
448 GENERAL PRACTICE in TX
Provider Addresses for DR. GREG WINSTON ZHANG (MD, MS)
1325 PENNSYLVANIA AVE
FORT WORTH, TX 761042158
Phone: (817) 250-2000
Type: Mailing
4616 N. HIGHWAY 75, STE 190
DENISON, TX 75020
Phone: (903) 698-6015
Fax: (903) 708-6488
Type: Mailing
4616 N HWY 75
SUITE 190
DENISON, TX 75020
Phone: (903) 698-6015
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2025-09-19
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 |
|---|---|---|---|---|
| I20250919002717 | I | General Practice | 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 76104)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | OK | |
| Nurse Practitioner | OK | |
| Nurse Practitioner | TX | |
| Nurse Practitioner | OK | |
| Nurse Practitioner | TX | |
| Nurse Practitioner | OK | |
| Physician Assistant | OK | |
| Emergency Medicine | TX | |
| Nurse Practitioner | MD | |
| Family Practice | OK |
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