Wanxing Chai-Ho, M.D.
NPI 1023371515 · Hematology & Oncology Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Wanxing Chai-Ho, M.D. is a Hematology & Oncology Physician provider in Los Angeles, CA (NPI 1023371515).
Provider details
- NPI number
- 1023371515
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 252812 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
14 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
2,420 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) |
|---|---|---|
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 383 | $8 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 282 | $98 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 239 | $193 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 237 | $137 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 165 | $123 |
| 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'S |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 31 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Acyclovir | 83 | 32 |
| Levofloxacin | 63 | 35 |
| Ruxolitinib Phosphatebrand: Jakafi | 56 | 13 |
| Levothyroxine Sodium | 53 | 17 |
| Posaconazole | 44 | 16 |
| Venetoclaxbrand: Venclexta | 43 | 18 |
| Ondansetron Hcl | 39 | 26 |
| Prednisone |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$413 across 7 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
Additional practice locations (2)
- 41 Mall RdBurlington, MA 01805-0001Phone: (781) 744-5700Fax: (781) 744-5358
- 41 Mall RdBurlington, MA 01805-0001Phone: (781) 744-5700Fax: (781) 744-5358
Registry dates
- Enumerated
- 2012-06-19
- Last updated
- 2018-07-20
Frequently asked questions
- What is Wanxing Chai-Ho's NPI number?
- Wanxing Chai-Ho's National Provider Identifier (NPI) is 1023371515, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Wanxing Chai-Ho's specialty?
- Wanxing Chai-Ho is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Wanxing Chai-Ho located?
- Wanxing Chai-Ho's practice location on file with NPPES is 200 Med Plaza, Los Angeles, CA 90024-0001.
- What is Wanxing Chai-Ho's phone number?
- The practice phone number listed in the NPPES registry for Wanxing Chai-Ho is (310) 794-4955.
- Does Wanxing Chai-Ho accept Medicare?
- Wanxing Chai-Ho is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Wanxing Chai-Ho's NPI active?
- Yes — Wanxing Chai-Ho's NPI (1023371515) is active in the NPPES registry as of the last update on 2018-07-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.