Tam Bui, M.D.
NPI 1215937859 · Otolaryngology Physician · Fountain Valley, CA
Tam Bui, M.D. is a Otolaryngology Physician provider in Fountain Valley, CA (NPI 1215937859).
Provider details
- NPI number
- 1215937859
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G59804 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 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
1,320 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 627 | $92 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 409 | $113 |
| Removal of Impacted Ear Wax69210 | 164 | $48 |
| Diagnostic Exam of Voice Box Using a Flexible Endoscope31575 | 50 | $133 |
| Diagnostic Exam of Nasal Passages Using an Endoscope31231 | 37 | $197 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 18 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Neomycin/Polymyxin B/Hydrocortbrand: Neomycin-Polymyxin-Hydrocort | 140 | 91 |
| Fluticasone Propionate | 112 | 53 |
| Amoxicillin | 86 | 79 |
| Ipratropium Bromide | 65 | 32 |
| Fluocinolone Acetonide Oil | 55 | 40 |
| Neomycin/Polymyxin B/Hydrocortbrand: Neomycin-Polymyxin-Hc | 49 | 20 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 46 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$47 across 2 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
- 2005-07-26
- Last updated
- 2020-03-30
- Certified
- 2020-03-30
Frequently asked questions
- What is Tam Bui's NPI number?
- Tam Bui's National Provider Identifier (NPI) is 1215937859, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tam Bui's specialty?
- Tam Bui is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is Tam Bui located?
- Tam Bui's practice location on file with NPPES is 11180 Warner Ave, Fountain Valley, CA 92708-7501.
- What is Tam Bui's phone number?
- The practice phone number listed in the NPPES registry for Tam Bui is (714) 545-1133.
- Is Tam Bui's NPI active?
- Yes — Tam Bui's NPI (1215937859) is active in the NPPES registry as of the last update on 2020-03-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.