● Active Type 1 · Individual

DR. Derek C Diffendaffer, M.D.

Radiology·Houston, TX· NPI 1558629113 · Enumerated 2012 · 14 years on NPI

Diffendaffer is 1 of 903 radiology providers in Houston and 1 of 3776 in Texas.

NPI age

14 years

Enumerated 2012-05-01

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

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

📞 7134613573

Mailing address

4502 E 41st St., Schusterman Center

Tulsa, OK 741352512

📞 9186603000

Specialties

Allopathic & Osteopathic Physicians › Radiology

Radiology Primary

A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

TX license #R9206 taxonomy 2085R0202X
Student in an Organized Health Care Education/Training Program

An 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.

taxonomy 390200000X

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. See all →

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How to verify this provider

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.