Joo Ha Hwang, MD
Gastroenterology Internal Medicine
Joo Ha Hwang is a Gastroenterology Internal Medicine specialist based in Stanford, CA with over 29 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Joo Ha Hwang, MD practices as part of a group gastroenterologist practice in Stanford, CA. He graduated from University of Chicago, Pritzker School of Medicine in 1997 and has 29+ years of clinical experience. He regularly sees Medicare patients with high cholesterol, hypertension, and arthritis (per CMS claims data). CMS MIPS quality score: 76.5/100 (2023).
At a glance
- Uses generic medications more than 30% of reporting doctors in California
- Federal MIPS score higher than 30% of MIPS-scored doctors in California
- Virtual visits available — no app or travel required
Older · 758dNPPES updated 2024-04-26 · verify NPI on CMS · Verify license at Medical Board of California
How Does This Doctor Compare?
Based on Medicare data, this doctor favors affordable generic drugs over brand-name ones.
MIPS Score
202376.5/100
California avg: 78.6 · US avg: 83.6
⚠ Lower than most doctors nationally(-7.1 pts)
How the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Generic Rx
↑ Higher = better82.8%
California avg: 83.3 · US avg: 82.8
≈ Same as national average
How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
185
Unique beneficiaries
Standard volumePrescription Recipients
44
Patients prescribed
Prescriptions Written
64
Total claims
Total Medicare drug cost: $2k
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%High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↓ Fewer patients than average (-2%) — less common here
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-14%) — less common here
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↓ Fewer patients than average (-7%) — less common here
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↓ Fewer patients than average (-4%) — less common here
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↓ Fewer patients than average (-6%) — less common here
Diseases involving abnormal cell growth with potential to spread to other body parts
US avg: 20.8%↑ More patients than average (+3%) — a focus area for this doctor
Excessive worry or fear that interferes with daily life
US avg: 34.1%↓ Fewer patients than average (-10%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$196.6k received from industry
190 transactions reported in 2024 ·Very High 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 Joo Ha Hwang's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1997
University of Chicago, Pritzker School of Medicine
Board certified · Apr 25, 2024
Self-reported via NPPES
29 years in practice
Experienced
Gastroenterologists diagnose and treat digestive system disorders including GERD, irritable bowel syndrome (IBS), inflammatory bowel disease (Crohn's, ulcerative colitis), liver disease, pancreatitis, and colon polyps. They perform endoscopies and colonoscopies.
Taxonomy: 207RG0100X
Education & Training
University of Chicago, Pritzker School of Medicine (Class of 1997)
Primary hospital affiliation: Acute Care Hospitals
CMS Certification Number: 200034
View hospital on Medicare Care CompareVirtual Internal Medicine Care With Joo Ha Hwang
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Joo Ha Hwang for cholesterol management, blood pressure monitoring, arthritis follow-ups — no travel to Stanford 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 Joo Ha Hwang
Dr. Hwang is listed as active in the NPI registry with telehealth listed in Stanford, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (650) 723-4000.
Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
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Contact Joo Ha Hwang
Practice Location
300 Pasteur Dr, Stanford, CA 94305-2200
Mailing Address
300 Pasteur Dr, Stanford, CA 94305-2200
This is a provider directory. Contact the office directly to schedule appointments.
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