Michaela Tsai, MD
NPI 1801872502 · Hematology & Oncology Physician · Seattle, WA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michaela Tsai, MD is a Hematology & Oncology Physician provider in Seattle, WA (NPI 1801872502).
Provider details
- NPI number
- 1801872502
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD61182267 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 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
580 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) |
|---|---|---|
| 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 | 226 | $18 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 221 | $103 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 56 | $151 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 53 | $70 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 24 | $192 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 188 | 57 |
| Tamoxifen Citrate | 175 | 51 |
| Letrozole | 142 | 46 |
| Exemestane | 30 | 12 |
| Acalabrutinib Maleatebrand: Calquence | 25 | — |
| Gabapentin | 24 | — |
| Abemaciclibbrand: Verzenio | 18 | — |
| Filgrastim-Sndzbrand: Zarxio |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-12-15
- Last updated
- 2022-01-17
- Certified
- 2022-01-17
Frequently asked questions
- What is Michaela Tsai's NPI number?
- Michaela Tsai's National Provider Identifier (NPI) is 1801872502, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michaela Tsai's specialty?
- Michaela Tsai is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Michaela Tsai located?
- Michaela Tsai's practice location on file with NPPES is 1221 Madison St, Seattle, WA 98104-3588.
- What is Michaela Tsai's phone number?
- The practice phone number listed in the NPPES registry for Michaela Tsai is (206) 386-2323.
- Does Michaela Tsai accept Medicare?
- Michaela Tsai is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michaela Tsai's NPI active?
- Yes — Michaela Tsai's NPI (1801872502) is active in the NPPES registry as of the last update on 2022-01-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.