Doctor profile · Federal record
Dr. James Gregg, MD
Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Vascular & Interventional Radiology Physician · Houston, TX
- NPI 1518100049
- Accepts Medicare
- MIPS 83.1 / 100 · 2023
- 24 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
7026 Old Katy RD Ste 276
Houston, TX 770242187
(713) 621-7436 - Additional location
-
1 Baylor Plz # MS 360
Houston, TX 770303411
(713) 798-6187
Credentials & registration
- NPI registered
- April 2009 — 17 yrs on file
- Profile last updated
- April 6, 2018
- Year of graduation
- 2002 — 24 yrs since
- Specialty taxonomy
- 2085R0202X — NUCC code
- State license (1)
- Texas #N5694
- Medicaid
- TX #216120006 (MDACC)
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1518100049. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
4,212
Distinct HCPCS
10
Medicare allowed
$94,999
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
71045 |
X-ray of chest, 1 view | 2,191 | 1,737 | $9 | |
74018 |
X-ray of abdomen, 1 view | 500 | 437 | $9 | |
71046 |
X-ray of chest, 2 views | 402 | 392 | $11 | |
74177 |
Ct scan of abdomen and pelvis with contrast | 162 | 159 | $88 | |
71275 |
Ct scan of blood vessels of chest with contrast | 107 | 106 | $86 | |
74176 |
Ct scan of abdomen and pelvis without contrast | 96 | 96 | $85 | |
71250 |
Ct scan of chest without contrast | 77 | 75 | $52 | |
71260 |
Ct scan of chest with contrast | 74 | 72 | $55 | |
74019 |
X-ray of abdomen, 2 views | 70 | 67 | $11 | |
74174 |
Ct scan of blood vessels of abdomen and pelvis with contrast | 62 | 62 | $107 |
In context: peer comparison
Among 269 peers in Houston Diagnostic Radiology Physician, average services per provider: 111. This provider delivers 38× the peer median.Open Payments
Industry payments received
All-time total
$394
Transactions
3
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| TriSalus Life Sciences, INC. | 1 | $247.92 | |
| Sirtex Medical INC | 1 | $130.27 | |
| Boston Scientific Corporation | 1 | $15.96 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. James Gregg's medical specialty?
Dr. James Gregg practices Diagnostic Radiology Physician in Houston, TX.
Where does Dr. James Gregg practice?
Dr. James Gregg practices at 7026 Old Katy RD Ste 276, Houston, TX 770242187. Office phone: 7136217436.
What is Dr. James Gregg's NPI?
Dr. James Gregg's National Provider Identifier (NPI) is 1518100049, issued by NPPES.
Does Dr. James Gregg accept Medicare assignment?
Yes. Dr. James Gregg accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Gregg commonly perform?
Top Medicare-reported procedures in 2023: X-ray of chest, 1 view (HCPCS 71045); X-ray of abdomen, 1 view (HCPCS 74018); X-ray of chest, 2 views (HCPCS 71046). Source: CMS Medicare Physician & Other Practitioners file.