Tomoko Sairenji, M.D.
NPI 1083935803 · Family Medicine Physician · Seattle, WA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tomoko Sairenji, M.D. is a Family Medicine Physician provider in Seattle, WA (NPI 1083935803).
Provider details
- NPI number
- 1083935803
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- MD60580599 (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
16 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
257 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 57 | $130 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 44 | $86 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 36 | $146 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 35 | $9 |
| 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 | 35 | $18 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Alendronate Sodium | 60 | 15 |
| Atorvastatin Calcium | 60 | 16 |
| Levothyroxine Sodium | 52 | — |
| Metformin Hclbrand: Metformin Hcl Er | 40 | — |
| Amlodipine Besylate | 34 | — |
| Losartan Potassium | 34 | 11 |
| Lisinopril |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-06-16
- Last updated
- 2015-11-30
Frequently asked questions
- What is Tomoko Sairenji's NPI number?
- Tomoko Sairenji's National Provider Identifier (NPI) is 1083935803, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tomoko Sairenji's specialty?
- Tomoko Sairenji is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Tomoko Sairenji located?
- Tomoko Sairenji's practice location on file with NPPES is 314 Ne Thornton Pl, Seattle, WA 98125-9000.
- What is Tomoko Sairenji's phone number?
- The practice phone number listed in the NPPES registry for Tomoko Sairenji is (206) 520-2300.
- Does Tomoko Sairenji accept Medicare?
- Tomoko Sairenji is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tomoko Sairenji's NPI active?
- Yes — Tomoko Sairenji's NPI (1083935803) is active in the NPPES registry as of the last update on 2015-11-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.