Wanxing Chai-Ho, M.D.
Hematology & Oncology Physician · Los Angeles, CA
Wanxing Chai-Ho, M.D. is a hematology & oncology physician with a practice address in Los Angeles, California, and NPI 1023371515, issued on Jun 19, 2012. Check the license (California A134555, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Wanxing Chai-Ho
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License numbers
- A134555 CA
252812 MA
Self-reported in NPPES; status is on the state search - Practice location
- 200 Med Plaza, Los Angeles, CA 90024
- Phone
- (310) 794-4955
- Enumerated
- Jun 19, 2012
- Record last updated
- Jul 20, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180621001359); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,583 in California → Look up another NPI →
Also registered at 200 Med Plaza
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Wanxing Chai-Ho in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A134555Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43% more Medicare Part D claims than the average hematology & oncology physician in 2024
1,254 Medicare Part D claims for 139 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 31% of claims. 18 claims were for opioids.
Most prescribed
- Acyclovir83 claims
- Levofloxacin63 claims
- Jakafi56 claims
- Levothyroxine Sodium53 claims
- Posaconazole44 claims
- Venclexta43 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 86.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $413.22
7 payments; by number, the most common kind was food and beverage; the largest payer was PharmaEssentia USA Corporation. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- The Regents OF The University OF CaliforniaLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Wanxing Chai-Ho among 1,583 hematology & oncology physician records in California
Wanxing Chai-Ho, M.D. is one of 1,583 hematology & oncology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 75% of them.
- NPI issued2012 · 75% of these records are older, 21% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2011 · median 2003 among the 1,124 with a school on file
- Record last updated2018 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in California
There are 1,583 hematology & oncology physician records in California.
All 1,583 in California → Every provider in Los Angeles → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Gottfried Konecny, MDLos Angeles, CA 900241427190115
- Nicholas McAndrew, M.D.Los Angeles, CA 900241093074106
- Joshua Sasine, M.D.Los Angeles, CA 900241396044566
- Daniel Shin, M.D.Los Angeles, CA 900241386902419
- Samuel Slomowitz, M.D.Los Angeles, CA 900241659525756
- Namphuong TranLos Angeles, CA 900241861917593
- Deborah Wong, M.D., PH.D.Los Angeles, CA 900241902044951
- VI Chiu, M.D., PH.D.Los Angeles, CA 900251992725865
Common questions
What is Wanxing Chai-Ho, M.D.'s NPI number?
Wanxing Chai-Ho, M.D.'s National Provider Identifier (NPI) is 1023371515, issued on Jun 19, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Wanxing Chai-Ho, M.D. located?
The NPPES record lists a practice address at 200 Med Plaza, Los Angeles, CA, 90024. Phone: (310) 794-4955. Providers update this record themselves, so call before visiting.
How can I verify Wanxing Chai-Ho, M.D.'s license?
NPPES lists California license number A134555, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Wanxing Chai-Ho, M.D. prescribe under Medicare Part D?
In 2024, Wanxing Chai-Ho, M.D. had 1,254 Medicare Part D claims for 139 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Wanxing Chai-Ho, M.D.'s MIPS final score?
The 2023 MIPS final score is 86.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.