Naixi Chen, M.D., PH.D.
NPI 1265490312 · Hematology & Oncology Physician · Renton, WA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Naixi Chen, M.D., PH.D. is a Hematology & Oncology Physician provider in Renton, WA (NPI 1265490312).
Provider details
- NPI number
- 1265490312
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., PH.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD00040607 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
85,167 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Unclassified DrugsJ3490 | 77,874 | $0 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, Additional Sequential Infusion, 1 Hour Or Less96367 | 1,247 | $32 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 998 | $7 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 737 | $150 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, 1 Hour Or Less96365 | 715 | $71 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 650 |
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 |
|---|---|---|
| Filgrastim-Sndzbrand: Zarxio | 45 | 11 |
| Ondansetronbrand: Ondansetron Odt | 43 | 15 |
| Amlodipine Besylate | 41 | — |
| Fulvestrant | 27 | — |
| Lidocaine/Prilocainebrand: Lidocaine-Prilocaine | 27 | 17 |
| Apalutamidebrand: Erleada | 25 | — |
| Anastrozole | 24 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$6,481 across 239 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-01
- Last updated
- 2024-10-09
- Certified
- 2024-10-09
Frequently asked questions
- What is Naixi Chen's NPI number?
- Naixi Chen's National Provider Identifier (NPI) is 1265490312, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Naixi Chen's specialty?
- Naixi Chen is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Naixi Chen located?
- Naixi Chen's practice location on file with NPPES is 1412 Sw 43rd St Ste 200, Renton, WA 98057-4803.
- What is Naixi Chen's phone number?
- The practice phone number listed in the NPPES registry for Naixi Chen is (206) 588-1722.
- Does Naixi Chen accept Medicare?
- Naixi Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Naixi Chen's NPI active?
- Yes — Naixi Chen's NPI (1265490312) is active in the NPPES registry as of the last update on 2024-10-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.