Stacy Ong, MD
NPI 1356345821 · Urology Physician · Round Rock, TX
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stacy Ong, MD is a Urology Physician provider in Round Rock, TX (NPI 1356345821).
Provider details
- NPI number
- 1356345821
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- J7826 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
21 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
391 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 167 | $123 |
| Automated Urinalysis Test81003 | 65 | $2 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 38 | $88 |
| Ultrasound Measurement of Bladder Capacity After Voiding51798 | 36 | $11 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 21 | $156 |
| Diagnostic Exam of Bladder and Urethra Using an Endoscope52000 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 100 | 33 |
| Estradiol | 71 | 52 |
| Mirabegronbrand: Myrbetriq | 46 | 14 |
| Cephalexin | 39 | 34 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 33 | 22 |
| Vibegronbrand: Gemtesa | 30 | — |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 27 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$967 across 25 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-06-13
- Last updated
- 2013-09-24
Frequently asked questions
- What is Stacy Ong's NPI number?
- Stacy Ong's National Provider Identifier (NPI) is 1356345821, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stacy Ong's specialty?
- Stacy Ong is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is Stacy Ong located?
- Stacy Ong's practice location on file with NPPES is 970 Hesters Crossing Rd, Round Rock, TX 78681-8027.
- What is Stacy Ong's phone number?
- The practice phone number listed in the NPPES registry for Stacy Ong is (512) 238-0762.
- Does Stacy Ong accept Medicare?
- Stacy Ong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stacy Ong's NPI active?
- Yes — Stacy Ong's NPI (1356345821) is active in the NPPES registry as of the last update on 2013-09-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.