Kim-Son Nguyen
NPI 1831357029 · Medical Oncology Physician · Stanford, CA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kim-Son Nguyen is a Medical Oncology Physician provider in Stanford, CA (NPI 1831357029).
Provider details
- NPI number
- 1831357029
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- A116347 (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
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
3,036 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 | 427 | $216 |
| 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 | 302 | $19 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 282 | $156 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 273 | $177 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, 1 Hour Or Less96365 | 268 | $85 |
| Injection of Additional New Drug Or Substance Into Vein |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydroxyurea | 73 | 19 |
| Enzalutamidebrand: Xtandi | 66 | — |
| Anastrozole | 62 | 19 |
| Prochlorperazine Maleate | 51 | 39 |
| Dexamethasone | 46 | 20 |
| Ondansetron Hcl | 44 | 30 |
| Apixabanbrand: Eliquis | 43 | 14 |
| Ibrutinibbrand: Imbruvica |
Practice location
Mailing address
Additional practice locations (1)
- 301 Old San Francisco RdSunnyvale, CA 94086-6386Phone: (408) 730-6100
Registry dates
- Enumerated
- 2008-05-25
- Last updated
- 2024-04-15
- Certified
- 2024-04-15
Frequently asked questions
- What is Kim-Son Nguyen's NPI number?
- Kim-Son Nguyen's National Provider Identifier (NPI) is 1831357029, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kim-Son Nguyen's specialty?
- Kim-Son Nguyen is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Kim-Son Nguyen located?
- Kim-Son Nguyen's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Kim-Son Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Kim-Son Nguyen is (650) 723-4000.
- Does Kim-Son Nguyen accept Medicare?
- Kim-Son Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kim-Son Nguyen's NPI active?
- Yes — Kim-Son Nguyen's NPI (1831357029) is active in the NPPES registry as of the last update on 2024-04-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.