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WENDY Y CHEN DO
NPI 1659317469
Internal Medicine - Hematology & Oncology in Oro Valley, AZ

Active since June 21, 2006PECOS EnrolledAccepts Medicare Assignment
1521 E TANGERINE RD STE 331, ORO VALLEY, AZ 85755(520) 276-2033 Get Directions Write a Review

NPPES record last updated: December 22, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Dec 22, 2025, Apr 8, 2025 (2 updates tracked since 2025).

About Wendy Y Chen Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WENDY Y CHEN DO (NPI 1659317469) is an individual hematology & oncology provider in Oro Valley, Arizona, licensed in Arizona (006210) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS, is affiliated with Indiana University Health, and maintains a secondary practice location in Indianapolis.

NPPES Registry Identity

NPI1659317469
Entity TypeIndividualFemale
Primary Taxonomy207RH0003X
Provider Legal NameWENDY Y CHENCredential: DO
Location Address1521 E TANGERINE RD STE 331Oro Valley, AZ 85755-6223
Mailing Address18000 Studebaker Rd Ste 800Cerritos, CA 90703-2671 · (562) 735-3226
Phone(520) 276-2033
Sole ProprietorNo
Medical School CMSOhio University, College Of Osteopathic MedicineGraduated 2003
Enumeration DateJune 21, 2006
Last NPPES UpdateDecember 22, 20252 updates tracked since enumeration
NPPES CertifiedDecember 22, 2025
✔ NPI 1659317469 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
Licenses✔ Licensed in AZ · 006210✔ Licensed in IN · 02008822A
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
Also ListedInternal Medicine · HematologyTaxonomy 207RH0000X · License 02008822A (IN)
Also ListedInternal Medicine · Medical OncologyTaxonomy 207RX0202X · License 02008822A (IN)
1521 E TANGERINE RD STE 331, Oro Valley, AZ 85755
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Secondary Practice Location 1

Location 1550 University BlvdIndianapolis, IN 46202-5149 · Phone (317) 944-5000

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Arizona.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Wendy Y Chen Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6800975848
PECOS Enrollment IDI20140224000898, I20251224002608
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
58 services40 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
43 services31 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
36 services21 patients
Injection of drug or substance under skin or into muscle 96372
This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.
23 services13 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
12 services12 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Indiana University Health

Acute Care Hospitals · Indianapolis, IN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150056
Location1701 N Senate BlvdIndianapolis, IN 46202 · Marion County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85755 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$168.60 typical visit price
range $55.44 – $168.60
Typical copayment $42.15 (range $13.86 – $42.15)
Most-billed visit code 99205
Established Patient
$98.00 typical visit price
range $17.72 – $137.41
Typical copayment $24.50 (range $4.43 – $34.35)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Wendy Chen's NPI number?

The NPI number for Wendy Chen is 1659317469. It was assigned to this individual provider in the NPPES registry on June 21, 2006.

Where is Wendy Chen located?

Wendy Chen practices at 1521 E Tangerine Rd Ste 331, Oro Valley, AZ 85755. The listed phone number is (520) 276-2033.

What is Wendy Chen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Wendy Chen enrolled in Medicare?

Yes. Wendy Chen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Wendy Chen accept?

Health plans from Blue Cross Blue Shield of Arizona list Wendy Chen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Wendy Chen affiliated with any hospitals?

According to CMS data, Wendy Chen is affiliated with Indiana University Health.

When was this NPI record last updated?

The NPPES record for Wendy Chen was last updated on December 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.