Jonathan Chao, M.D.
Jonathan Chao is an Internal Medicine specialist based in Palo Alto, CA with over 15 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Jonathan Chao, M.D. has been part of the Palo Alto medical community since 2011 in group practice. A Jefferson Medical College of Thomas Jefferson University graduate since 2011, he brings 15+ years of experience. He regularly sees Medicare patients with high cholesterol and hypertension (per CMS claims data).
At a glance
- Prescribes opioids less than 54% of reporting doctors in California
- Uses generic medications more than 81% of reporting doctors in California
- Virtual visits available — no app or travel required
Older · 2187dNPPES updated 2020-05-28 · verify NPI on CMS · Verify license at Medical Board of California
How Does This Doctor Compare?
Based on Medicare data, this doctor prescribes opioid pain medications conservatively, favors affordable generic drugs over brand-name ones.
Opioid Rx
↓ Lower = better0.47%
California avg: 5.2 · US avg: 5.1
✓ Higher than most doctors nationally(-4.6 pts)
Typical range among reporting doctors in California0.47% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Generic Rx
↑ Higher = better92.7%
California avg: 83.3 · US avg: 82.8
✓ Higher than most doctors nationally(+9.9 pts)
Better than 81% of reporting doctors in CaliforniaHow often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
244
Unique beneficiaries
Standard volumePrescription Recipients
273
Patients prescribed
Prescriptions Written
2,341
Total claims
Total Medicare drug cost: $154k
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, Hypertension, and Arthritis.
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↓ Fewer patients than average (-3%) — less common here
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↓ Fewer patients than average (-15%) — less common here
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-23%) — less common here
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↓ Fewer patients than average (-11%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$110 received from industry
1 transaction reported in 2024 ·Low tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to Jonathan Chao's NPI.
Patient Reviews
No patient reviews yet. If you've seen Jonathan Chao, 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.
Graduated medical school · 2011
Sidney Kimmel Medical College at Thomas Jefferson University
Board certified · May 27, 2020
Self-reported via NPPES
15 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
Jefferson Medical College of Thomas Jefferson University (Class of 2011)
Mailing address
325 Distel Cir, Los Altos, CA 94022-1408
Differs from practice location
Primary hospital affiliation: Psychiatric
CMS Certification Number: 374006
View hospital on Medicare Care CompareVirtual Internal Medicine Care With Jonathan Chao
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Jonathan Chao for cholesterol management, blood pressure monitoring, arthritis follow-ups — no travel to Palo Alto 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 Jonathan Chao
NPI records show Dr. Chao as active with telehealth listed in Palo Alto, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (650) 321-4121.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024 · 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 Jonathan Chao
Practice Location
795 El Camino Real, Palo Alto, CA 94301-2302
Mailing Address
325 Distel Cir, Los Altos, CA 94022-1408
This is a provider directory. Contact the office directly to schedule appointments.
Related Providers