Doctor profile · Federal record

Dr. Guangquan Zhao, MD

Medical Oncology Physician (CMS: Medical Oncology) · Internal Medicine Physician · Hematology (Internal Medicine) Physician · Hematology & Oncology Physician · Longview, WA

  • NPI 1710197314
  • Accepts Medicare
  • 42 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1615 Delaware St
Longview, WA 986322367
(360) 414-7878
Additional location
506 Medical Center Blvd, Suite 100
Conroe, TX 773042826
(936) 777-6550
fax (936) 777-6555
Mailing address
25511 Budde RD Ste 1201
The Woodlands, TX 773802091

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
March 17, 2018
Year of graduation
1984 — 42 yrs since
Specialty taxonomy
207RX0202X — NUCC code
State licenses (2)
Washington #MD60331815 · Texas #N4226
Medicaid (2)
TX #316367702 · TX #316367704

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1710197314. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,131
Distinct HCPCS
3
Medicare allowed
$156,864
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 986 163 $140
99214 Established patient office or other outpatient visit, 30-39 minutes 86 57 $96
99205 New patient office or other outpatient visit, 60-74 minutes 59 59 $175

In context: peer comparison

Among 1 peers in Longview Medical Oncology Physician, average services per provider: 377. This provider delivers 3.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$15
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Aveo Pharmaceuticals, INC. 1 $15.00

By nature of payment

Education
$15

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,395
Patients
510
Total drug cost
$136,005
Drug Type Claims Patients Total cost
Anastrozole Generic 237 75 $6,274
Prochlorperazine Maleate Generic 193 94 $2,769
Prednisone Generic 126 34 $922
Loperamide (Loperamide Hcl) Brand 115 41 $2,680
Dexamethasone Generic 111 62 $2,291
Potassium Chloride Generic 103 35 $2,847
Lidocaine-Prilocaine (Lidocaine/Prilocaine) Brand 99 68 $2,012
Acyclovir Generic 70 15 $1,295
Eliquis (Apixaban) Brand 69 14 $59,430
Bicalutamide Generic 57 13 $2,036

Frequently asked questions

Auto-generated from federal data
What is Dr. Guangquan Zhao's medical specialty?
Dr. Guangquan Zhao practices Medical Oncology Physician in Longview, WA.
Where does Dr. Guangquan Zhao practice?
Dr. Guangquan Zhao practices at 1615 Delaware St, Longview, WA 986322367. Office phone: 3604147878.
What is Dr. Guangquan Zhao's NPI?
Dr. Guangquan Zhao's National Provider Identifier (NPI) is 1710197314, issued by NPPES.
Does Dr. Guangquan Zhao accept Medicare assignment?
Yes. Dr. Guangquan Zhao accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Guangquan Zhao commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.