GREGORY T SEYMOUR (MD) – Hematology & Oncology Physician, NPI 1720041056

GREGORY T SEYMOUR (MD) is a healthcare provider. based in Kingwood, Texas. specializing in Hematology & Oncology Physician. They hold the professional credentials MD. They hold a License No. K9663 (TX). The NPI Number for GREGORY T SEYMOUR (MD) is 1720041056

Main info

Male
30 Years Of Experience
Accepts Medicare Assignment
Name
GREGORY T SEYMOUR (MD)
NPI
1720041056
Phone
(281) 312-8560
Address
22710 PROFESSIONAL DRIVE
Enumeration Date
8 April 2006
Last Update Date
6 June 2016

Doctor Profile

Medical School Name
WAYNE STATE UNIVERSITY SCHOOL OF MEDICINE
Secondary Phone
2812988444
Graduation Year
1996 (30 years ago)
PAC ID
9436111903
Group Practice PAC ID
3375515455
Professional Enrollment ID
I20041028000180
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

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

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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

CompanyAmount
ABBVIE INC.$50
Novo Nordisk Inc$14
View all Open Payments →|Open Payments Risk Radar →

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)

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Provider's Procedures

GREGORY T SEYMOUR (MD) performs procedures in Hematology & Oncology Physician. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
HEMATOLOGY/ONCOLOGYTX74177CT scan of abdomen and pelvis with contrast6952

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 3375515455View full group profile
NameSpecialtyState
Hematology/Oncology, Internal Medicine, Medical OncologyTX
U R O L O G YTX
Hematology/Oncology, Medical OncologyTX
Internal MedicineMI
-TX
-TX
-TX
Pulmonary DiseaseTX
Medical OncologyTX
Hematology/Oncology, Geriatric Medicine, Hematology, Internal Medicine, Medical OncologyTX

Reviews

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Frequently asked questions

Can I verify GREGORY T SEYMOUR (MD) with an NPI only?
You can start verification with NPI 1720041056 for GREGORY T SEYMOUR (MD), then check state licensing separately.
Does the file indicate GREGORY T SEYMOUR (MD) is practicing under active NPI?
Directory data currently reports GREGORY T SEYMOUR (MD) as active.
What is GREGORY T SEYMOUR (MD)'s primary classification?
Hematology & Oncology Physician is the headline specialty for GREGORY T SEYMOUR (MD) here. Clinical services aligned with this taxonomy classification.
Where is GREGORY T SEYMOUR (MD) based?
GREGORY T SEYMOUR (MD) is tied to Kingwood, Texas in the data we show; additional addresses may exist on the full record.
Is specialty guaranteed by NPI alone?
Taxonomy selections describe intent; scope of practice still follows state law.

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