Michael Wu, MD
Hematology & Oncology Physician · Santa Cruz, CA
Michael Wu, MD is a hematology & oncology physician with a practice address in Santa Cruz, California, and NPI 1700850104, issued on Feb 14, 2006. Check the license (California C53050, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michael Wu
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- C53050 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2850 Commercial Xing, Santa Cruz, CA 95065
- Phone
- (831) 460-7355
- Enumerated
- Feb 14, 2006
- Record last updated
- Dec 7, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20080124000313); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,583 in California → Look up another NPI →
Also registered at 2850 Commercial Xing
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rohan AhluwaliaHematology & Oncology Physician1053632356
- Amanda BrynerNurse Practitioner1437798782
- Jill Gillespie, LCSWClinical Social Worker1861238107
- Carla Gomez, LCSWClinical Social Worker1881899367
- Delphina Kim, CRNPAdult Health Nurse Practitioner1922367390
- Steven Lai, MDHematology & Oncology Physician1295364321
Verify Michael Wu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C53050Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
165 Medicare Part D claims for 56 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Anastrozole50 claims
- Acyclovir14 claims
- Prednisone14 claims
- Exemestane13 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.
Bills Medicare through one group practice
- Sutter Bay Medical FoundationSanta Cruz, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Wu among 1,583 hematology & oncology physician records in California
Michael Wu, MD 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 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 54% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1996 · median 2003 among the 1,124 with a school on file
- Record last updated2011 · 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 Santa Cruz → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Rohan AhluwaliaSanta Cruz, CA 950651053632356
- Julie Jaffe, M.D.Santa Cruz, CA 950651801942008
- Steven Lai, MDSanta Cruz, CA 950651295364321
- Amy McMullen, M.D.Santa Cruz, CA 950651205860954
- Janet WangSanta Cruz, CA 950651760629158
- Glenn Wong, DOSanta Cruz, CA 950651063537934
- Michael Yen, M.D., PH.D.Santa Cruz, CA 950651437269313
- Jennifer Choate, MDSoquel, CA 950731326073354
Common questions
What is Michael Wu, MD's NPI number?
Michael Wu, MD's National Provider Identifier (NPI) is 1700850104, issued on Feb 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael Wu, MD located?
The NPPES record lists a practice address at 2850 Commercial Xing, Santa Cruz, CA, 95065. Phone: (831) 460-7355. Providers update this record themselves, so call before visiting.
How can I verify Michael Wu, MD's license?
NPPES lists California license number C53050, 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 Michael Wu, MD prescribe under Medicare Part D?
In 2024, Michael Wu, MD had 165 Medicare Part D claims for 56 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
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.