Timothy Choi, DO
NPI 1225693948 · Emergency Medicine Physician · Round Rock, TX
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Choi, DO is a Emergency Medicine Physician provider in Round Rock, TX (NPI 1225693948).
Provider details
- NPI number
- 1225693948
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- T9662 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
7 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
693 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 274 | $168 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 197 | $8 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 109 | $117 |
| Critical Care, First 30-74 Minutes99291 | 56 | $205 |
| X-Ray of Chest, 1 View71045 | 43 | $8 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 14 | $68 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 41 | 40 |
| Ondansetronbrand: Ondansetron Odt | 30 | 30 |
| Ketorolac Tromethamine | 28 | 27 |
| Prednisone | 26 | 26 |
| Methylprednisolone | 21 | 21 |
| Cephalexin | 20 | 19 |
| Cefpodoxime Proxetil | 19 | 19 |
Practice location
Mailing address
Additional practice locations (1)
- 12221 N Mopac ExpyAustin, TX 78758-2401Phone: (512) 901-1000
Registry dates
- Enumerated
- 2019-05-08
- Last updated
- 2026-01-20
- Certified
- 2026-01-20
Frequently asked questions
- What is Timothy Choi's NPI number?
- Timothy Choi's National Provider Identifier (NPI) is 1225693948, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Choi's specialty?
- Timothy Choi is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Timothy Choi located?
- Timothy Choi's practice location on file with NPPES is 300 University Blvd, Round Rock, TX 78665-1032.
- What is Timothy Choi's phone number?
- The practice phone number listed in the NPPES registry for Timothy Choi is (512) 509-0100.
- Does Timothy Choi accept Medicare?
- Timothy Choi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Choi's NPI active?
- Yes — Timothy Choi's NPI (1225693948) is active in the NPPES registry as of the last update on 2026-01-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.