Doctor profile · Federal record

Dr. Andrew Chen, D.O.

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Bend, OR

  • NPI 1124081096
  • Accepts Medicare
  • 24 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
2500 Ne Neff RD
Bend, OR 977016015
(541) 706-5800
fax (541) 706-5911
Additional location
1501 Ne Medical Center Dr
Bend, OR 977016051
(541) 382-2811
Mailing address
1501 Ne Medical Center Dr
Bend, OR 977016051

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
January 3, 2023
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
Oregon #DO25841

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1124081096. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,101
Distinct HCPCS
8
Medicare allowed
$128,870
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 460 221 $95
99215 Established patient office or other outpatient visit, 40-54 minutes 390 99 $139
99215 Established patient office or other outpatient visit, 40-54 minutes 87 24 $139
99214 Established patient office or other outpatient visit, 30-39 minutes 74 47 $95
99204 New patient office or other outpatient visit, 45-59 minutes 41 41 $129
99205 New patient office or other outpatient visit, 60-74 minutes 24 24 $176
99204 New patient office or other outpatient visit, 45-59 minutes 13 13 $129
38222 Biopsy and aspiration of bone marrow sample for diagnosis 12 12 $73

In context: peer comparison

Among 7 peers in this city , average services per provider: 1,333. This provider delivers 0.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$436
Transactions
4
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Astellas Pharma US Inc 2 $198.95
Janssen Biotech, Inc. 1 $120.31
Amgen Inc. 1 $116.57

By nature of payment

Food and Beverage
$237
Education
$199

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
769
Patients
138
Total drug cost
$3,014,184
Drug Type Claims Patients Total cost
Prednisone Generic 111 23 $864
Hydroxyurea Generic 93 18 $3,171
Abiraterone Acetate Generic 74 0 $124,238
Calquence (Acalabrutinib Maleate) Brand 58 0 $854,556
Dexamethasone Generic 56 17 $1,293
Eliquis (Apixaban) Brand 54 12 $45,136
Ondansetron Hcl Generic 53 27 $333
Revlimid (Lenalidomide) Brand 52 0 $774,895
Acyclovir Generic 48 15 $1,316
Pomalyst (Pomalidomide) Brand 32 0 $771,136

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Andrew Chen's medical specialty?
Dr. Andrew Chen practices Hematology & Oncology Physician in Bend, OR.
Where does Dr. Andrew Chen practice?
Dr. Andrew Chen practices at 2500 Ne Neff RD, Bend, OR 977016015. Office phone: 5417065800.
What is Dr. Andrew Chen's NPI?
Dr. Andrew Chen's National Provider Identifier (NPI) is 1124081096, issued by NPPES.
Does Dr. Andrew Chen accept Medicare assignment?
Yes. Dr. Andrew Chen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Andrew Chen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.