Gregory T. Seymour, MD
Hematology & Oncology Physician · Kingwood, TX
Gregory T. Seymour, MD is a hematology & oncology physician with a practice address in Kingwood, Texas, and NPI 1720041056, issued on Apr 8, 2006. Check the license (Texas K9663, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Gregory T. Seymour
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- K9663 TX
Self-reported in NPPES; status is on the state search - Practice location
- 22710 Professional Dr, Kingwood, TX 77339
- Phone
- (281) 298-8444
- Enumerated
- Apr 8, 2006
- Record last updated
- Jun 6, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (281) 298-7720
- Medicaid ID
- 147289602 TX
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 922 in Texas → Look up another NPI →
Also registered at 22710 Professional Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Deanna Camacho, FNPFamily Nurse Practitioner1558763060
- Mary Crow, M.D.Hematology & Oncology Physician1164425211
- Anirudha Dasgupta, MDHematology & Oncology Physician1841298387
- Hazel Heddings, MDFamily Medicine Physician1972670032
- Shannon Johnson, NP-CAdult Health Nurse Practitioner1710231261
- Pierre Khoury, MDHematology & Oncology Physician1548223878
Verify Gregory T. Seymour in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license K9663Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 74.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Gregory T. Seymour among 922 hematology & oncology physician records in Texas
Gregory T. Seymour, MD is one of 922 hematology & oncology physician records with a practice address in Texas. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 57% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileNo · 75% of these records are
- Record last updated2016 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Texas
There are 922 hematology & oncology physician records in Texas.
All 922 in Texas → Every provider in Kingwood → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Mary Crow, M.D.Kingwood, TX 773391164425211
- Anirudha Dasgupta, MDKingwood, TX 773391841298387
- David Ellent, M.D.Kingwood, TX 773391427081710
- Pierre Khoury, MDKingwood, TX 773391548223878
- Saleha Sajid, MDKingwood, TX 773391841459773
- Samer Suki, MDKingwood, TX 773391639132962
- Woondong Jeong, MDTomball, TX 773751306898499
- Jonathan LuTomball, TX 773751891139630
Common questions
What is Gregory T. Seymour, MD's NPI number?
Gregory T. Seymour, MD's National Provider Identifier (NPI) is 1720041056, issued on Apr 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory T. Seymour, MD located?
The NPPES record lists a practice address at 22710 Professional Dr, Kingwood, TX, 77339. Phone: (281) 298-8444. Providers update this record themselves, so call before visiting.
How can I verify Gregory T. Seymour, MD's license?
NPPES lists Texas license number K9663, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Gregory T. Seymour, MD's MIPS final score?
The 2023 MIPS final score is 74.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.