DR. ANDREW TZONG-YOW CHEN D.O.
NPI 1124081096
Internal Medicine - Hematology & Oncology in Bend, OR

Active since April 10, 2006PECOS EnrolledAccepts Medicare Assignment
2500 NE NEFF RD, BEND, OR 97701(541) 706-5800(541) 706-5911 Get Directions Write a Review

NPPES record last updated: January 3, 2023. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jan 3, 2023, Jan 29, 2021, Aug 24, 2017 (3 updates tracked since 2017).

About Dr. Andrew Tzong-yow Chen D.o. NPPES

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

DR. ANDREW TZONG-YOW CHEN D.O. (NPI 1124081096) is an individual hematology & oncology provider in Bend, Oregon, licensed in Oregon (DO25841) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, is affiliated with St Charles Medical Center - Bend, and maintains a secondary practice location in Bend.

NPPES Registry Identity

NPI1124081096
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameDR. ANDREW TZONG-YOW CHENCredential: D.O.
Location Address2500 NE NEFF RDBend, OR 97701-6015
Mailing Address1501 Ne Medical Center DrBend, OR 97701-6051
Fax(541) 706-5911
Sole ProprietorNo
Medical School CMSOtherGraduated 2002
Enumeration DateApril 10, 2006
Last NPPES UpdateJanuary 3, 20233 updates tracked since enumeration
NPPES CertifiedJanuary 3, 2023
NPI 1124081096 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License Licensed in OR · DO25841
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.

2500 NE NEFF RD, Bend, OR 97701

Secondary Practice Location 1

Location 11501 NE Medical Center DrBend, OR 97701-6051 · Phone (541) 382-2811

Accepted 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

Dr. Andrew Tzong-yow Chen D.o. 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 ID9931131471
PECOS Enrollment IDI20050906001073
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 8

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.
564 services277 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
284 services95 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.
37 services37 patients
Biopsy and aspiration of bone marrow sample for diagnosis 38222
A bone marrow biopsy and aspiration is a procedure where a small amount of bone marrow is removed for testing. It involves inserting a needle into a bone, typically the hip, to collect a sample. It can help diagnose various diseases and monitor treatment effectiveness.
22 services19 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
22 services19 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
21 services21 patients

Hospital Affiliations CMS Care Compare 5

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

St Charles Medical Center - Bend

Acute Care Hospitals · Bend, OR
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number380047
Location2500 NE Neff RoadBend, OR 97701 · Deschutes County
Emergency services Birthing friendly

Harney District Hospital

Critical Access Hospitals · Burns, OR
OwnershipGovernment - Hospital District or Authority
CMS Certification Number381307
Location557 W Washington StreetBurns, OR 97720 · Harney County
Emergency services

Lake District Hospital

Critical Access Hospitals · Lakeview, OR
OwnershipGovernment - Hospital District or Authority
CMS Certification Number381309
Location700 South J StreetLakeview, OR 97630 · Lake County
Emergency services

St Charles Medical Center Prineville

Critical Access Hospitals · Prineville, OR
OwnershipVoluntary non-profit - Private
CMS Certification Number381313
Location384 SE Combs Flat RoadPrineville, OR 97754 · Crook County
Emergency services

St Charles Madras

Critical Access Hospitals · Madras, OR
OwnershipVoluntary non-profit - Private
CMS Certification Number381324
Location470 NE A StreetMadras, OR 97741 · Jefferson County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97701 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
$166.64 typical visit price
range $54.96 – $166.64
Typical copayment $41.66 (range $13.74 – $41.66)
Most-billed visit code 99205
Established Patient
$97.16 typical visit price
range $17.68 – $136.19
Typical copayment $24.29 (range $4.42 – $34.04)
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.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine
2500 NE NEFF RD
BEND, OR 97701
Physical Therapist
2500 NE NEFF RD
BEND, OR 97701
Hospitalist
2500 NE NEFF RD
BEND, OR 97701
Anesthesiology
2500 NE NEFF RD
BEND, OR 97701
Nurse Practitioner (Neonatal, Critical Care)
2500 NE NEFF RD
BEND, OR 97701
Physician Assistant
2500 NE NEFF RD
BEND, OR 97701
Pediatrics
2500 NE NEFF RD
BEND, OR 97701
Radiology (Radiation Oncology)
2500 NE NEFF RD
BEND, OR 97701

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 Andrew Chen's NPI number?

The NPI number for Andrew Chen is 1124081096. It was assigned to this individual provider in the NPPES registry on April 10, 2006.

Where is Andrew Chen located?

Andrew Chen practices at 2500 NE Neff Rd, Bend, OR 97701. The listed phone number is (541) 706-5800.

What is Andrew Chen's specialty?

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

Is Andrew Chen enrolled in Medicare?

Yes. Andrew 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 Andrew Chen accept?

Health plans from BridgeSpan Health Company, Moda Health Plan, Inc., PacificSource Health Plans, Providence Health Plan and Regence BlueCross BlueShield of Oregon list Andrew 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 Andrew Chen affiliated with any hospitals?

According to CMS data, Andrew Chen is affiliated with St Charles Medical Center - Bend, Harney District Hospital, Lake District Hospital, St Charles Medical Center Prineville and St Charles Madras.

When was this NPI record last updated?

The NPPES record for Andrew Chen was last updated on January 3, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.