Trac Duong, M.D.
NPI 1659566560 · Otolaryngology Physician · Bellevue, WA
Enrolled with Medicare as Practitioner - Otolaryngology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Trac Duong, M.D. is a Otolaryngology Physician provider in Bellevue, WA (NPI 1659566560).
Provider details
- NPI number
- 1659566560
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 52979 (MN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 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
619 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 | 222 | $141 |
| Removal of Impacted Ear Wax69210 | 107 | $52 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 89 | $100 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 86 | $182 |
| Exam of Ear Using a Microscope92504 | 42 | $34 |
| Ct Scan of Cranial Cavity Without Contrast70480 | 27 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ofloxacin | 67 | 50 |
| Prednisolone Acetate | 32 | 25 |
| Ondansetronbrand: Ondansetron Odt | 30 | 28 |
| Cephalexin | 25 | 23 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 23 | 21 |
| Mometasone Furoate | 18 | 15 |
| Fluocinolone Acetonide Oil | 14 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$119 across 1 record (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
- 2007-09-13
- Last updated
- 2014-10-07
Frequently asked questions
- What is Trac Duong's NPI number?
- Trac Duong's National Provider Identifier (NPI) is 1659566560, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Trac Duong's specialty?
- Trac Duong is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is Trac Duong located?
- Trac Duong's practice location on file with NPPES is 1231 116th Ave Ne, Bellevue, WA 98004-3804.
- What is Trac Duong's phone number?
- The practice phone number listed in the NPPES registry for Trac Duong is (425) 454-3938.
- Does Trac Duong accept Medicare?
- Trac Duong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Trac Duong's NPI active?
- Yes — Trac Duong's NPI (1659566560) is active in the NPPES registry as of the last update on 2014-10-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.