Don Bui, M.D.
NPI 1932313483 · Urology Physician · Laguna Hills, CA
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Don Bui, M.D. is a Urology Physician provider in Laguna Hills, CA (NPI 1932313483).
Provider details
- NPI number
- 1932313483
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A127053 (CA)
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
19 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
4,049 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) |
|---|---|---|
| Automated Urinalysis Test81003 | 1,019 | $2 |
| Ultrasound Measurement of Bladder Capacity After Voiding51798 | 831 | $13 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 659 | $138 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 530 | $98 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 274 | $17 |
| Diagnostic Exam of Bladder and Urethra Using an Endoscope |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 33 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 1,393 | 529 |
| Finasteride | 455 | 172 |
| Trospium Chloride | 205 | 101 |
| Dutasteride | 204 | 72 |
| Vibegronbrand: Gemtesa | 147 | 52 |
| Alfuzosin Hclbrand: Alfuzosin Hcl Er | 106 | 42 |
| Silodosin | 87 | 42 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$4,599 across 75 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
- 2007-05-10
- Last updated
- 2025-10-15
- Certified
- 2025-10-15
Frequently asked questions
- What is Don Bui's NPI number?
- Don Bui's National Provider Identifier (NPI) is 1932313483, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Don Bui's specialty?
- Don Bui is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is Don Bui located?
- Don Bui's practice location on file with NPPES is 23961 Calle De La Magdalena Ste 500, Laguna Hills, CA 92653-7622.
- What is Don Bui's phone number?
- The practice phone number listed in the NPPES registry for Don Bui is (949) 855-1011.
- Does Don Bui accept Medicare?
- Don Bui is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Don Bui's NPI active?
- Yes — Don Bui's NPI (1932313483) is active in the NPPES registry as of the last update on 2025-10-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.