Jeffrey Tsai, MD
NPI 1265588842 · Epilepsy Physician · Seattle, WA
Enrolled with Medicare as Practitioner - Epileptologists · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jeffrey Tsai, MD is a Epilepsy Physician provider in Seattle, WA (NPI 1265588842).
Provider details
- NPI number
- 1265588842
- Entity type
- Individual
- Primary specialty
- Epilepsy PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD60265929 (WA)
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
19 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
209 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) |
|---|---|---|
| Measurement of Brain Wave Activity With Video (veeg), 12-26 Hours With Review and Report By Health Care Professional95720 | 68 | $220 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 41 | $106 |
| 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 | 34 | $18 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 28 | $157 |
| Measurement of Brain Wave Activity With Video (veeg), 2-12 Hours With Review and Report By Health Care Professional95718 | 24 | $141 |
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 |
|---|---|---|
| Lamotrigine | 275 | 41 |
| Levetiracetam | 157 | 30 |
| Lacosamide | 117 | 24 |
| Cenobamatebrand: Xcopri | 70 | — |
| Pregabalin | 60 | — |
| Divalproex Sodiumbrand: Divalproex Sodium Er | 54 | 14 |
| Divalproex Sodium | 52 | 13 |
| Topiramate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-26
- Last updated
- 2024-12-18
- Certified
- 2024-12-18
Frequently asked questions
- What is Jeffrey Tsai's NPI number?
- Jeffrey Tsai's National Provider Identifier (NPI) is 1265588842, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Tsai's specialty?
- Jeffrey Tsai is listed in the NPPES registry with a primary specialty of Epilepsy Physician (Allopathic & Osteopathic Physicians).
- Where is Jeffrey Tsai located?
- Jeffrey Tsai's practice location on file with NPPES is 325 9th Ave, Seattle, WA 98104-2420.
- What is Jeffrey Tsai's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Tsai is (206) 744-3576.
- Does Jeffrey Tsai accept Medicare?
- Jeffrey Tsai is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jeffrey Tsai's NPI active?
- Yes — Jeffrey Tsai's NPI (1265588842) is active in the NPPES registry as of the last update on 2024-12-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.