GREGORY T SEYMOUR (MD) – Hematology & Oncology Physician, NPI 1720041056
Preparing for Medicare enrollment?
Use our CMS-855 prep checklist: which form applies (855I, 855O, or 855A), readiness score, NPPES field map, and Section 12 documents. Reassignment uses CMS-855I Section 4F—not the discontinued CMS-855R form.
Open Medicare 855 Prep tool →Hematology & Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for GREGORY T SEYMOUR (MD)
22710 PROFESSIONAL DRIVE
KINGWOOD, TX 773396009
Phone: (281) 312-8560
Fax: (281) 312-8561
Type: Mailing
22710 PROFESSIONAL DR
KINGWOOD, TX 773396008
Phone: (281) 298-8444
Fax: (281) 298-7720
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $64.
Total Amount is formed as General ($64) + Research ($0) + Ownership ($0) = $64.
Last reported payment date: 2023-06-06 • Largest payer in this snapshot: ABBVIE INC. ($50).
Total Amount
$64
General + Research + Ownership
Payments
3
Total payment records
General Amount
$64
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-06-06
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $50 |
| Novo Nordisk Inc | $14 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
No Medicare enrollment or revalidation data available for this provider in our database.
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 77339)
Loading plans...
Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| HEMATOLOGY/ONCOLOGY | TX | 74177 | CT scan of abdomen and pelvis with contrast | 69 | 52 |
Group practice members
- 1
- 2
| Name | Specialty | State |
|---|---|---|
| Hematology/Oncology, Internal Medicine, Medical Oncology | TX | |
| U R O L O G Y | TX | |
| Hematology/Oncology, Medical Oncology | TX | |
| Internal Medicine | MI | |
| - | TX | |
| - | TX | |
| - | TX | |
| Pulmonary Disease | TX | |
| Medical Oncology | TX | |
| Hematology/Oncology, Geriatric Medicine, Hematology, Internal Medicine, Medical Oncology | TX |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.