NPI age
17 years
Enumerated 2009-04-14
● Active
Type 1 · Individual
James Parker Gregg, MD
Gregg is 1 of 903 radiology providers in Houston and 1 of 3776 in Texas.
Primary specialty
Radiology
Plus 1 subspecialty
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2018-04-06
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 3776 active radiology providers in Texas.
NPI age
17 years
↓ 2 yr below median (19 yr)
State licenses
1 state
18% of peers hold multiple states
Subspecialties
1
In the 36% of peers with subspecialties
NPI lifetime · 2009 → 2026
2009-04Enumerated in NPPES
2009
2026
Where they practice
Practice location
7026 Old Katy Rd Ste 276
Houston, TX 770242187
Mailing address
7026 Old Katy Rd Ste 276
Houston, TX 770242187
Additional practice locations
1 secondary location on file with NPPES.
Location 2
1 Baylor Plz # MS 360
Houston, TX 770303411
Specialties
-
Radiology PrimaryA radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
-
RadiologyA radiologist who diagnoses and treats diseases by various radiologic imaging modalities. These include fluoroscopy, digital radiography, computed tomography, sonography and magnetic resonance imaging.
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (TX) | 216120006 (MDACC) | |
| 01 (TX) | 8CU573 (MDACC) | BCBS |
Practice context
Part of a multi-provider practice. 65 other active providers share this practice address in NPPES.
Recently enumerated nearby: 4 new radiology providers have been added in Houston in the last 180 days.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Check the state license is currently active.State licensing boards publish current status; NPPES does not.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.