Gary G Zhao, MD
Gary G Zhao is a Hematology & Oncology specialist based in San Jose, CA with over 38 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Also practices: INTERNAL MEDICINE
Patients across CA can see Gary G Zhao, MD in person in San Jose or via virtual visit — no travel required. With 38+ years of experience, he has been practicing in the San Jose area. Among his Medicare patients, common conditions include hypertension, high cholesterol, and cancer (per CMS data). CMS MIPS quality score: 80.58/100 (2023).
At a glance
- Prescribes opioids less than 42% of reporting doctors in California
- Federal MIPS score higher than 46% of MIPS-scored doctors in California
- Virtual visits available — no app or travel required
Older · 6829dNPPES updated 2007-09-12 · verify NPI on CMS · Verify license at Medical Board of California
Contact & Location
Practice Location
751 S Bascom Ave Oncology/Hematology Dept, San Jose, CA 95128-2604
How Does This Doctor Compare?
Based on Medicare data, this doctor has an average quality score compared to other doctors in California, prescribes opioid pain medications conservatively.
MIPS Score
202380.58/100
California avg: 78.6 · US avg: 83.6
⚠ Lower than most doctors nationally(-3 pts)
Average range among MIPS-scored doctors in CaliforniaHow the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Opioid Rx
↓ Lower = better1.62%
California avg: 5.2 · US avg: 5.1
✓ Higher than most doctors nationally(-3.5 pts)
Typical range among reporting doctors in California1.62% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Generic Rx
↑ Higher = better72.1%
California avg: 83.3 · US avg: 82.8
⚠ Lower than most doctors nationally(-10.7 pts)
How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
390
Unique beneficiaries
Standard volumePrescription Recipients
76
Patients prescribed
Prescriptions Written
681
Total claims
Total Medicare drug cost: $2.48M
Percentile rankings compared against 9,360 reporting peers in California.
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages Hypertension, High Cholesterol, and Cancer.
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↑ More patients than average (+5%) — a focus area for this doctor
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↓ Fewer patients than average (-13%) — less common here
Diseases involving abnormal cell growth with potential to spread to other body parts
US avg: 20.8%↑ More patients than average (+26%) — a focus area for this doctor
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↑ More patients than average (+10%) — a focus area for this doctor
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↓ Fewer patients than average (-3%) — less common here
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-24%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
Patient Reviews
No patient reviews yet. If you've seen Gary G Zhao, your feedback helps other patients.
Review PolicyAll feedback is moderated before publishing. We verify reviewer identity where possible and enforce a one-review-per-provider policy. Full guidelines →
Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
38 years in practice
Senior practitioner
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.
Taxonomy: 207RH0003X
Mailing address
751 S Bascom Ave, San Jose, CA 95128-2604
Differs from practice location
Primary hospital affiliation: Acute Care Hospitals
CMS Certification Number: 190017
View hospital on Medicare Care CompareVirtual Hematology & Oncology Care With Gary G Zhao
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Gary G Zhao for blood pressure monitoring, cholesterol management, follow-up consultations — no travel to San Jose required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about Gary G Zhao
Dr. Zhao is listed as active in the NPI registry with telehealth listed in San Jose, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (408) 885-5969.
Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.
Is this your profile?
Verify credentials, update practice details, and manage telehealth.
Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.
Contact Gary G Zhao
Practice Location
751 S Bascom Ave Oncology/Hematology Dept, San Jose, CA 95128-2604
Mailing Address
751 S Bascom Ave, San Jose, CA 95128-2604
This is a provider directory. Contact the office directly to schedule appointments.
Related Providers