Physician Profile
Unclaimed ProfileAbout GREGORY
Thomas F. Gregory, M.D. is a healthcare provider in Tyler, TX specialising in medical oncology. Thomas trained at University of Texas Medical Branch at Galveston, graduating in 1993.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What is Dr. Gregory's specialty?
Dr. Gregory is a medical oncology in Tyler, TX. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “MEDICAL ONCOLOGY”.
NPI registry
Where can I find Dr. Gregory?
Dr. Gregory is listed at 501 SAUNDERS AVE, Tyler, TX 75702. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Gregory?
The number on file is (903) 579-9800. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Gregory's NPI number?
Dr. Gregory's National Provider Identifier is 1174566624. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Gregory's medical education?
Dr. Gregory attended University of Texas Medical Branch at Galveston, graduating in 1993. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Gregory been practising?
Dr. Gregory has 33 years experience. Calculated from a graduation year of 1993, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Gregory known for?
According to Medicare billing data, Dr. Gregory performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as injection of additional new drug or substance into vein and administration of chemotherapy into vein, 1 hour or less, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Gregory confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Gregory. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (903) 579-9800
- Email not available
Practice Locations
501 SAUNDERS AVE
Tyler, TX 75702
Procedures Most Often Billed to Medicare
108,837 services · 2,449 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
1,013 |
| Injection of additional new drug or substance into vein | Treatment | 96375 |
595 |
| Administration of chemotherapy into vein, 1 hour or less | Treatment | 96413 |
388 |
| Injection, pembrolizumab, 1 mg | Drug given | J9271 |
16,600 |
| Injection, oxaliplatin, 0.5 mg | Drug given | J9263 |
12,000 |
| Injection, fosaprepitant, 1 mg | Drug given | J1453 |
8,700 |
| Injection, paclitaxel, 1 mg | Drug given | J9267 |
8,274 |
| Injection, nivolumab, 1 mg | Drug given | J9299 |
8,260 |
| Injection, daratumumab, 10 mg and hyaluronidase-fihj | Drug given | J9144 |
7,380 |
| Injection, iron sucrose, 1 mg | Drug given | J1756 |
6,500 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other medical oncology specialists at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 4
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 26 related providers in 4 groups
Other medical oncology specialists in Tyler 2
Same specialty, same city.
Trained at University of Texas Medical Branch at Galveston 8
Other providers in the same specialty who trained at the same institution.
Class of 1993 at University of Texas Medical Branch at Galveston 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in TX who bill this service to Medicare most often.
- Quest Diagnostics Clinical Laboratories INC
- Clinical Pathology Laboratories, INC.
- Quest Diagnostics Clinical Laboratories INC
- Laboratory Corporation of America
- Laboratory Corporation of America
- Lone Star Pathology PLLC
- Medical Clinic of Houston, LLP
- The University of Texas Southwestern Medical Center at Dallas
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.