Wendy Y. Chen, DO
Hematology & Oncology Physician · Oro Valley, AZ
Wendy Y. Chen, DO is a hematology & oncology physician with a practice address in Oro Valley, Arizona, and NPI 1659317469, issued on Jun 21, 2006. Check the license (Arizona 006210, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Wendy Y. Chen
- Credential
- DO
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License numbers
- 006210 AZ
02008822A IN
Self-reported in NPPES; status is on the state search - Practice location
- 1521 E Tangerine RD Ste 331, Oro Valley, AZ 85755
- Phone
- (520) 276-2033
- Enumerated
- Jun 21, 2006
- Record last updated
- Dec 22, 2025
- Medicare enrollment
- Enrolled (PECOS I20140224000898); accepts Medicare assignment
- Medical or professional school
- Ohio University, College Of Osteopathic Medicine, 2003
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 285 in Arizona → Look up another NPI →
Verify Wendy Y. Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 006210Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
353 Medicare Part D claims for 102 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims. 23 claims were for opioids.
Most prescribed
- Anastrozole26 claims
- Ondansetron Hcl21 claims
- Revlimid20 claims
- Gabapentin15 claims
- Hydroxyurea15 claims
- Prednisone12 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.
Industry payments in 2024: $1,215.86
51 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, Inc. 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 2 group practices
- IU Health Medical Group LLCIndianapolis, IN
- Sjhmc Physician ServicesPhoenix, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Wendy Y. Chen among 285 hematology & oncology physician records in Arizona
Wendy Y. Chen, DO is one of 285 hematology & oncology physician records with a practice address in Arizona. 85% 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, 58% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 80% of these records are
- Graduated2003 · median 2003 among the 229 with a school on file
- Record last updated2025 · 37% 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 Arizona 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 Arizona
There are 285 hematology & oncology physician records in Arizona.
All 285 in Arizona → Every provider in Oro Valley → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Shamudheen Mohammed Rafiyath, M.D.Tucson, AZ 857471528202900
- Lata Aluri, MDTucson, AZ 857451467581736
- Akshay Amaraneni, MDTucson, AZ 857451306285267
- Gino Bottino, MDTucson, AZ 857451881705838
- Jaspreet Chahal, MDTucson, AZ 857451558703801
- Susannah Cooper, MDTucson, AZ 857451790846038
- Jai Joshi, MDTucson, AZ 857451700849346
- John Migliano, MDTucson, AZ 857451932545746
Common questions
What is Wendy Y. Chen, DO's NPI number?
Wendy Y. Chen, DO's National Provider Identifier (NPI) is 1659317469, issued on Jun 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Wendy Y. Chen, DO located?
The NPPES record lists a practice address at 1521 E Tangerine RD Ste 331, Oro Valley, AZ, 85755. Phone: (520) 276-2033. Providers update this record themselves, so call before visiting.
How can I verify Wendy Y. Chen, DO's license?
NPPES lists Arizona license number 006210, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Wendy Y. Chen, DO prescribe under Medicare Part D?
In 2024, Wendy Y. Chen, DO had 353 Medicare Part D claims for 102 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.