Martha Chung-Sang Man, MD
Medical Oncology Internal Medicine
Martha Chung-Sang Man is a Medical Oncology Internal Medicine specialist based in San Jose, CA with over 26 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Also practices: INTERNAL MEDICINE
Martha Chung-Sang Man, MD practices as part of a group medical oncology internal medicine specialist practice in San Jose, CA. A Stanford University School of Medicine graduate since 2000, she brings 26+ years of experience. CMS Medicare data shows her patients commonly have high cholesterol, cancer, and hypertension.
Older · 772dNPPES updated 2024-04-12 · verify NPI on CMS · Verify license at Medical Board of California
Contact & Location
Practice Location
2589 Samaritan Dr, San Jose, CA 95124-4102
How Does This Doctor Compare?
Opioid Rx
↓ Lower = better5.3%
California avg: 5.2 · US avg: 5.1
⚠ Lower than most doctors nationally(+0.2 pts)
5.3% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Medicare Patients
416
Unique beneficiaries
Standard volumePrescription Recipients
97
Patients prescribed
Prescriptions Written
302
Total claims
Total Medicare drug cost: $618k
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 High Cholesterol, Cancer, and Hypertension.
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+5%) — a focus area for this doctor
Diseases involving abnormal cell growth with potential to spread to other body parts
US avg: 20.8%↑ More patients than average (+54%) — a focus area for this doctor
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↑ More patients than average (+2%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-10%) — less common here
Weakened bones that are more prone to fractures, common in older adults
US avg: 18.1%↑ More patients than average (+18%) — a focus area for this doctor
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↓ Fewer patients than average (-11%) — less common here
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↓ Fewer patients than average (-9%) — less common here
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↓ Fewer patients than average (-10%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 2000
Stanford University School of Medicine
Board certified · Apr 11, 2024
Self-reported via NPPES
26 years in practice
Experienced
Medical oncologists diagnose and treat cancer using chemotherapy, immunotherapy, targeted therapy, and hormone therapy. They coordinate care with surgical oncologists and radiation oncologists for comprehensive cancer treatment.
Taxonomy: 207RX0202X
Education & Training
Stanford University School of Medicine (Class of 2000)
Primary hospital affiliation: Psychiatric
CMS Certification Number: 194083
View hospital on Medicare Care CompareVirtual Medical Oncology Care With Martha Chung-Sang Man
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Martha Chung-Sang Man for cholesterol management, follow-up consultations, blood pressure monitoring — 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 Martha Chung-Sang Man
NPI records show Dr. Man as active with telehealth listed in San Jose, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (408) 426-4900.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.
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Contact Martha Chung-Sang Man
Practice Location
2589 Samaritan Dr, San Jose, CA 95124-4102
Mailing Address
2589 Samaritan Dr, San Jose, CA 95124-4102
This is a provider directory. Contact the office directly to schedule appointments.
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