Longhang Nguyen, MD
Longhang Nguyen is an Internal Medicine specialist based in Sunnyvale, CA with over 29 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
With over 29 years in internal medicine, Longhang Nguyen, MD is a long-established internist in Sunnyvale. Trained at University of California, San Francisco School of Medicine (class of 1997), she has been practicing for over 29 years. Among her Medicare patients, common conditions include high cholesterol, hypertension, and arthritis (per CMS data).
Older · 433dNPPES updated 2025-03-17 · verify NPI on CMS · Verify license at Medical Board of California
Contact & Location
Practice Location
312 W El Camino Real, Sunnyvale, CA 94087-1306
How Does This Doctor Compare?
Medicare Patients
36
Unique beneficiaries
Boutique practicePrescription Recipients
33
Patients prescribed
Prescriptions Written
350
Total claims
Total Medicare drug cost: $40k
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, Hypertension, and Arthritis.
Elevated cholesterol or triglycerides that increase heart disease risk
High blood pressure — a leading risk factor for heart disease and stroke
Joint inflammation causing pain, swelling, and stiffness
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 · 1997
University of California, San Francisco School of Medicine
Board certified · Mar 16, 2025
Self-reported via NPPES
29 years in practice
Experienced
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Taxonomy: 207R00000X
Education & Training
University of California, San Francisco School of Medicine (Class of 1997)
Mailing address
1 Embarcadero Ctr Ste 1900, San Francisco, CA 94111-3723
Differs from practice location
Primary hospital affiliation: Psychiatric
CMS Certification Number: 194083
View hospital on Medicare Care CompareVirtual Internal Medicine Care With Longhang Nguyen
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Longhang Nguyen for cholesterol management, blood pressure monitoring, arthritis follow-ups — 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 Longhang Nguyen
NPI records show Dr. Nguyen as active with telehealth listed in Sunnyvale, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (888) 663-6331.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.
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Contact Longhang Nguyen
Practice Location
312 W El Camino Real, Sunnyvale, CA 94087-1306
Mailing Address
1 Embarcadero Ctr Ste 1900, San Francisco, CA 94111-3723
This is a provider directory. Contact the office directly to schedule appointments.
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