Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Preston Ooi, DO

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1922663335

Preston Ooi, DO is a Physical Medicine and Rehabilitation in Killeen, Texas. Graduated from University of North Texas Hsc, College of Osteopathic Med in 2020, 6 years ago. Practices with Mark Malone MD PA, a 101-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Maryland and Texas.

Years since qualifying
6
Trained at
University of North Texas Hsc, College of Osteopathic Med
Licensed in
MD, TX
In the registry since
2019
Specialties on file
3
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

3400 E Central Texas Expy Ste 101
Killeen, TX 76543-7326
Phone: (254) 741-6641
Fax: (254) 537-4693
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 2000 S Mays St Ste 201, Round Rock, TX 78664-7580 — (512) 244-4272

Specialties & licences

Pain Medicine (Physical Medicine & Rehabilitation) Physician (primary) Taxonomy 2081P2900X · Licence V4162 (TX)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X
Pain Medicine (Physical Medicine & Rehabilitation) Physician Taxonomy 2081P2900X · Licence H0098983 (MD)

Record details

NPI number1922663335
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 1, 2019
Last updated in NPPESMay 9, 2025
Certification dateMay 9, 2025
Mailing address101 W Louis Henna Blvd Ste 300, Austin, TX 78728-1203

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPHYSICAL MEDICINE AND REHABILITATION
Medical schoolUNIVERSITY OF NORTH TEXAS HSC, COLLEGE OF OSTEOPATHIC MED
Graduated 2020 (6 years in practice)
Group practice Mark Malone Md Pa — 101 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Killeen