Sandy Trieu, MD
NPI 1649450982 · Hospice and Palliative Medicine (Internal Medicine) Physician · Stanford, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sandy Trieu, MD is a Hospice and Palliative Medicine (Internal Medicine) Physician provider in Stanford, CA (NPI 1649450982).
Provider details
- NPI number
- 1649450982
- Entity type
- Individual
- Primary specialty
- Hospice and Palliative Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A100915 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 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
271 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 108 | $211 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 59 | $111 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 57 | $153 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 17 | $185 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 16 | $242 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 126 | 35 |
| Oxycodone Hcl | 102 | 36 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 65 | 16 |
| Methadone Hcl | 54 | 20 |
| Levothyroxine Sodium | 37 | — |
| Mirtazapine | 36 | 11 |
| Buprenorphine |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-11-04
- Last updated
- 2024-04-17
- Certified
- 2024-04-17
Frequently asked questions
- What is Sandy Trieu's NPI number?
- Sandy Trieu's National Provider Identifier (NPI) is 1649450982, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sandy Trieu's specialty?
- Sandy Trieu is listed in the NPPES registry with a primary specialty of Hospice and Palliative Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Sandy Trieu located?
- Sandy Trieu's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Sandy Trieu's phone number?
- The practice phone number listed in the NPPES registry for Sandy Trieu is (650) 723-4000.
- Does Sandy Trieu accept Medicare?
- Sandy Trieu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sandy Trieu's NPI active?
- Yes — Sandy Trieu's NPI (1649450982) is active in the NPPES registry as of the last update on 2024-04-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.