Gretl Chi-Wing Lam, M.D.
Hospice and Palliative Medicine
Gretl Chi-Wing Lam is a Hospice and Palliative Medicine specialist based in Sunnyvale, CA with over 9 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Gretl Chi-Wing Lam, M.D. specializes in internal medicine, serving patients in Sunnyvale, CA in group practice. Trained at New York University School of Medicine (class of 2017), she has been practicing for over 9 years. CMS Medicare data shows her patients commonly have hypertension, high cholesterol, and diabetes.
Older · 243dNPPES updated 2025-09-22 · verify NPI on CMS · Verify license at Medical Board of California
How Does This Doctor Compare?
Medicare Patients
46
Unique beneficiaries
Boutique practiceData 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 Diabetes.
High blood pressure — a leading risk factor for heart disease and stroke
Elevated cholesterol or triglycerides that increase heart disease risk
A condition where the body cannot properly regulate blood sugar levels
The heart cannot pump blood efficiently enough to meet the body's needs
Gradual loss of kidney function over time, often linked to diabetes or hypertension
An irregular, often rapid heartbeat that increases the risk of stroke
Chronic Obstructive Pulmonary Disease — a group of lung diseases that block airflow
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
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 · 2017
Nyu Grossman School of Medicine
Board certified · Sep 21, 2025
Self-reported via NPPES
9 years in practice
Established
An internal medicine physician with special knowledge and skills to prevent and relieve the suffering experienced by patients with life-limiting illnesses. This specialist works with an interdisciplinary hospice or palliative care team to maximize quality of life while addressing physical, psychological, social and spiritual needs of both patient and family throughout the course of the disease, through the dying process, and beyond for the family. This specialist has expertise in the assessment of patients with advanced disease; the relief of distressing symptoms; the coordination of interdisciplinary patient and family-centered care in diverse venues; the use of specialized care systems including hospice; the management of the imminently dying patient; and legal and ethical decision making in end-of-life care.
Taxonomy: 207RH0002X
Education & Training
New York University School of Medicine (Class of 2017)
Mailing address
Po Box 276950, Sacramento, CA 95827-6950
Differs from practice location
Virtual Hospice and Palliative Medicine Care With Gretl Chi-Wing Lam
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Gretl Chi-Wing Lam for blood pressure monitoring, cholesterol management, diabetes check-ins — no travel to Sunnyvale 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 Gretl Chi-Wing Lam
Dr. Lam is listed as active in the NPI registry with telehealth listed in Sunnyvale, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (408) 730-2860.
Sourced from CMS NPPES · OIG LEIE · CMS Physician Comparator. See Data Methodology.
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Contact Gretl Chi-Wing Lam
Practice Location
301 Old San Francisco Rd, Sunnyvale, CA 94086-6386
Mailing Address
Po Box 276950, Sacramento, CA 95827-6950
This is a provider directory. Contact the office directly to schedule appointments.
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