Seon Tjoe, M.D.
NPI 1346565942 · Internal Medicine Physician · Dublin, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Seon Tjoe, M.D. is a Internal Medicine Physician provider in Dublin, CA (NPI 1346565942).
Provider details
- NPI number
- 1346565942
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A124886 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
16 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
318 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 177 | $154 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 75 | $156 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 49 | $110 |
| Administration of Influenza Virus VaccineG0008 | 17 | $39 |
Typical Medicare-allowed amounts for these services range $39–$156 (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 · 37 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 170 | 44 |
| Amlodipine Besylate | 95 | 19 |
| Lisinopril | 86 | 17 |
| Metformin Hcl | 73 | 18 |
| Levothyroxine Sodium | 48 | 13 |
| Losartan Potassium | 37 | 11 |
| Alendronate Sodium |
Practice location
Mailing address
Additional practice locations (1)
- 795 El Camino RealPalo Alto, CA 94301-2302Phone: (650) 321-4121
Registry dates
- Enumerated
- 2010-04-07
- Last updated
- 2020-05-28
- Certified
- 2020-05-28
Frequently asked questions
- What is Seon Tjoe's NPI number?
- Seon Tjoe's National Provider Identifier (NPI) is 1346565942, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Seon Tjoe's specialty?
- Seon Tjoe is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Seon Tjoe located?
- Seon Tjoe's practice location on file with NPPES is 4050 Dublin Blvd, Dublin, CA 94568-3112.
- What is Seon Tjoe's phone number?
- The practice phone number listed in the NPPES registry for Seon Tjoe is (925) 875-6100.
- Does Seon Tjoe accept Medicare?
- Seon Tjoe is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Seon Tjoe's NPI active?
- Yes — Seon Tjoe's NPI (1346565942) is active in the NPPES registry as of the last update on 2020-05-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.