Tuyen Kiet, M.D.
NPI 1609238617 · Emergency Medicine Physician · Concord, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tuyen Kiet, M.D. is a Emergency Medicine Physician provider in Concord, CA (NPI 1609238617).
Provider details
- NPI number
- 1609238617
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 267287 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
18 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 Moderate Level of Medical Decision Making99284 | 18 | $122 |
Typical Medicare-allowed amounts for these services range $122–$122 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 22 | 22 |
| Prednisone | 18 | 17 |
| Cefadroxil | 14 | 14 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 12 | 12 |
| Cefpodoxime Proxetil | 11 | 11 |
| Doxycycline Monohydrate | 11 | 11 |
| Dabigatran Etexilate Mesylatebrand: Pradaxa |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-03-28
- Last updated
- 2021-11-23
- Certified
- 2021-11-23
Frequently asked questions
- What is Tuyen Kiet's NPI number?
- Tuyen Kiet's National Provider Identifier (NPI) is 1609238617, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tuyen Kiet's specialty?
- Tuyen Kiet is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Tuyen Kiet located?
- Tuyen Kiet's practice location on file with NPPES is 1001 Galaxy Way Ste 400, Concord, CA 94520-5725.
- What is Tuyen Kiet's phone number?
- The practice phone number listed in the NPPES registry for Tuyen Kiet is (925) 482-8240.
- Does Tuyen Kiet accept Medicare?
- Tuyen Kiet is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tuyen Kiet's NPI active?
- Yes — Tuyen Kiet's NPI (1609238617) is active in the NPPES registry as of the last update on 2021-11-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.