Thomas Yan
NPI 1093336430 · Student in an Organized Health Care Education/Training Program · Palo Alto, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Yan is a Student in an Organized Health Care Education/Training Program provider in Palo Alto, CA (NPI 1093336430).
Provider details
- NPI number
- 1093336430
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
6 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
119 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 High Level of Medical Decision Making99285 | 46 | $187 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 45 | $9 |
| Critical Care, First 30-74 Minutes99291 | 28 | $233 |
Typical Medicare-allowed amounts for these services range $9–$233 (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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-04-27
- Last updated
- 2020-04-27
- Certified
- 2020-04-27
Frequently asked questions
- What is Thomas Yan's NPI number?
- Thomas Yan's National Provider Identifier (NPI) is 1093336430, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Yan's specialty?
- Thomas Yan is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Thomas Yan located?
- Thomas Yan's practice location on file with NPPES is 900 Welch Rd Ste 350, Palo Alto, CA 94304-1807.
- What is Thomas Yan's phone number?
- The practice phone number listed in the NPPES registry for Thomas Yan is (650) 723-9215.
- Does Thomas Yan accept Medicare?
- Thomas Yan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Yan's NPI active?
- Yes — Thomas Yan's NPI (1093336430) is active in the NPPES registry as of the last update on 2020-04-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.