PRESTON OOI DO
NPI 1922663335
Physical Medicine & Rehabilitation - Pain Medicine in Killeen, TX

Q: What is Preston Ooi's NPI number?

The NPI number for Preston Ooi is 1922663335. It was assigned to this individual provider in the NPPES registry on May 1, 2019.

Q: What is Preston Ooi's specialty?

The primary specialty registered for this NPI is Physical Medicine & Rehabilitation, specializing in Pain Medicine, with taxonomy code 2081P2900X.

Q: When was this NPI record last updated?

The NPPES record for Preston Ooi was last updated on May 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since May 01, 2019PECOS EnrolledAccepts Medicare Assignment

3400 E CENTRAL TEXAS EXPY STE 101, KILLEEN, TX 76543(254) 741-6641(254) 537-4693 Get Directions Write a Review

NPPES record last updated: May 9, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: May 9, 2025, Jun 30, 2024, Mar 6, 2024 and 2 more (5 updates tracked since 2019).

On this page

About Preston Ooi Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

PRESTON OOI DO (NPI 1922663335) is an individual pain medicine provider in Killeen, Texas, licensed in Texas (V4162) and active in the NPI registry since May 2019. He is enrolled in Medicare PECOS, is affiliated with Adventhealth Central Texas, and maintains a secondary practice location in Round Rock.

NPPES Registry Identity

NPI1922663335

Entity TypeIndividualMale

Primary Taxonomy2081P2900X

Provider Legal NamePRESTON OOICredential: DO

Location Address3400 E CENTRAL TEXAS EXPY STE 101Killeen, TX 76543-7326

Mailing Address101 W Louis Henna Blvd Ste 300Austin, TX 78728-1203 · (512) 492-3743 · Fax (512) 593-4444

Phone(254) 741-6641

Fax(254) 537-4693

Sole ProprietorNo

Medical School CMSUniversity Of North Texas Hsc, College Of Osteopathic MedGraduated 2020

Enumeration DateMay 1, 2019

Last NPPES UpdateMay 9, 20255 updates tracked since enumeration

NPPES CertifiedMay 9, 2025

✔ NPI 1922663335 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPhysical Medicine & Rehabilitation · Pain MedicineAllopathic & Osteopathic Physicians

Taxonomy Code2081P2900X

Licenses✔ Licensed in TX · V4162✔ Licensed in MD · H0098983

Definition

A physician who provides a high level of care, either as a primary physician or consultant, for patients experiencing problems with acute, chronic or cancer pain in both hospital and ambulatory settings. Patient care needs may also be coordinated with other specialists.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

3400 E CENTRAL TEXAS EXPY STE 101, Killeen, TX 76543

Open in Google Maps ↗

Secondary Practice Location 1

Location 12000 S Mays St Ste 201Round Rock, TX 78664-7580 · Phone (512) 244-4272 · Fax (512) 244-2895

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Preston Ooi Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9133544943

PECOS Enrollment IDI20250409001128

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Preston Ooi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mark Malone, MD PA

2.4 mi

Pain Medicine

401 W JASPER DR
Killeen, TX 76542

Reassigned Medicare billing, Texas enrollment
100 clinicians in this Medicare group

NPI 1982581427 (254) 741-6641

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Adventhealth Central Texas

Acute Care Hospitals · Killeen, TX

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number450152

Location2201 S Clear Creek RoadKilleen, TX 76542 · Bell County

Emergency services Birthing friendly

Seton Medical Center Harker Heights

Acute Care Hospitals · Harker Heights, TX

4/5 CMS rating

OwnershipProprietary

CMS Certification Number670080

Location850 W Central Texas ExpresswayHarker Heights, TX 76548 · Bell County

Emergency services Birthing friendly

Other Providers at the Same Location NPPES 12

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SHELBY POSTEN APRN-CNP

Nurse Practitioner