NPI age
14 years
Enumerated 2012-05-01
● Active
Type 1 · Individual
DR. Derek C Diffendaffer, M.D.
Diffendaffer is 1 of 903 radiology providers in Houston and 1 of 3776 in Texas.
Primary specialty
Radiology
Plus 1 subspecialty
Licensed in
TX, OK
2 states
Status
Active
No deactivations on record
Last NPPES update
2018-12-21
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
14 years
↓ 5 yr below median (19 yr)
State licenses
2 states
Top 81% — 18% of peers are multi-state
Subspecialties
1
In the 36% of peers with subspecialties
NPI lifetime · 2012 → 2026
2012-05Enumerated in NPPES
2012
2026
Where they practice
Practice location
7600 W Tidwell Rd Ste 103
Houston, TX 770405719
Mailing address
4502 E 41st St., Schusterman Center
Tulsa, OK 741352512
Specialties
-
Radiology PrimaryA radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
-
Student in an Organized Health Care Education/Training ProgramAn individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
Practice context
Part of a multi-provider practice. 2 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.