Doctor profile · Federal record

Dr. Zizhen Feng, M.D., PHD

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Hematology & Oncology Physician · Student in an Organized Health Care Education/Training Program · Vancouver, WA

  • NPI 1285096347
  • Accepts Medicare
  • MIPS 88.7 / 100 · 2023
  • 18 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
700 Ne 87Th Ave
Vancouver, WA 986644896
(360) 896-7070
Additional location
267 Grant St
Bridgeport, CT 066102805
(203) 384-3000
Additional location
1501 Ne Medical Center Dr
Bend, OR 977016051
(541) 382-4900
Mailing address
Po Box 4825
Portland, OR 972084825

Credentials & registration

NPPES · NUCC
NPI registered
March 2016 — 10 yrs on file
Profile last updated
September 20, 2023
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State licenses (2)
Washington #MD61421589 · Oregon #MD200494

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1285096347. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,747
Distinct HCPCS
10
Medicare allowed
$117,406
HCPCS Description Services Patients Avg allowed
J1100 Injection, dexamethasone sodium phosphate, 1 mg 523 14 $0
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 307 149 $8
36415 Insertion of needle into vein for collection of blood sample 284 164 $7
80053 Blood test, comprehensive group of blood chemicals 250 131 $10
99214 Established patient office or other outpatient visit, 30-39 minutes 239 159 $122
J2405 Injection, ondansetron hydrochloride, per 1 mg 184 12 $0
99215 Established patient office or other outpatient visit, 40-54 minutes 166 74 $172
96413 Administration of chemotherapy into vein, 1 hour or less 82 27 $125
99213 Established patient office or other outpatient visit, 20-29 minutes 77 74 $87
J9217 Leuprolide acetate (for depot suspension), 7.5 mg 69 13 $179

In context: peer comparison

Among 5 peers in Vancouver Hematology & Oncology Physician, average services per provider: 460. This provider delivers 6.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,309
Transactions
7
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 5 $2,099.98
Emd Serono, INC. 1 $140.54
Genzyme Corporation 1 $68.36

By nature of payment

Compensation for Services Other Than Consulting, Including Serving As Faculty or As A Speaker at A Venue Other Than A Continuing Education Program
$1,850
Food and Beverage
$459

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
270
Patients
79
Total drug cost
$54,964
Drug Type Claims Patients Total cost
Anastrozole Generic 78 24 $1,320
Eliquis (Apixaban) Brand 40 13 $34,563
Prednisone Generic 23 0 $260
Prochlorperazine Maleate Generic 23 15 $434
Exemestane Generic 19 0 $1,751
Ondansetron Odt (Ondansetron) Brand 18 14 $386
Acyclovir Generic 16 0 $182
Oxycodone Hcl Generic 16 13 $246
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 13 0 $31
Tamoxifen Citrate Generic 13 0 $232

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Zizhen Feng's medical specialty?
Dr. Zizhen Feng practices Hematology & Oncology Physician in Vancouver, WA.
Where does Dr. Zizhen Feng practice?
Dr. Zizhen Feng practices at 700 Ne 87Th Ave, Vancouver, WA 986644896. Office phone: 3608967070.
What is Dr. Zizhen Feng's NPI?
Dr. Zizhen Feng's National Provider Identifier (NPI) is 1285096347, issued by NPPES.
Does Dr. Zizhen Feng accept Medicare assignment?
Yes. Dr. Zizhen Feng accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Zizhen Feng commonly perform?
Top Medicare-reported procedures in 2023: Injection, dexamethasone sodium phosphate, 1 mg (HCPCS J1100); Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (HCPCS 85025); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.