Dun Huu Ha, MD
Dun Huu Ha is an Otolaryngology specialist based in Covina, CA with over 22 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Dun Huu Ha, MD practices as part of a group otolaryngology specialist practice in Covina, CA. Trained at Washington University School of Medicine (class of 2004), he has been practicing for over 22 years. CMS Medicare data shows his patients commonly have hypertension, high cholesterol, and arthritis.
At a glance
- Uses generic medications more than 90% of reporting doctors in California
- Virtual visits available — no app or travel required
Older · 158dNPPES updated 2025-12-16 · verify NPI on CMS · Verify license at Medical Board of California
Contact & Location
Practice Location
420 W Rowland St, Covina, CA 91723-2943
How Does This Doctor Compare?
Based on Medicare data, this doctor favors affordable generic drugs over brand-name ones.
Opioid Rx
↓ Lower = better5.23%
California avg: 5.2 · US avg: 5.1
⚠ Lower than most doctors nationally(+0.1 pts)
5.23% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Generic Rx
↑ Higher = better95.9%
California avg: 83.3 · US avg: 82.8
✓ Higher than most doctors nationally(+13.1 pts)
Top 10% of reporting doctors in CaliforniaHow often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
207
Unique beneficiaries
Standard volumePrescription Recipients
307
Patients prescribed
Prescriptions Written
707
Total claims
Total Medicare drug cost: $19k
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 Hypertension, High Cholesterol, and Arthritis.
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↑ More patients than average (+5%) — a focus area for this doctor
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+5%) — a focus area for this doctor
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 (-4%) — less common here
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↓ Fewer patients than average (-6%) — 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
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$392 received from industry
11 transactions reported in 2018 ·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 2018, attributed to Dun Huu Ha's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 2004
Washington University School of Medicine in St. Louis
Board certified · Dec 15, 2025
Self-reported via NPPES
22 years in practice
Experienced
An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.
Taxonomy: 207Y00000X
Education & Training
Washington University School of Medicine (Class of 2004)
Mailing address
Po Box 35380, Las Vegas, NV 89133-5380
Differs from practice location
Virtual Otolaryngology Care With Dun Huu Ha
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Dun Huu Ha for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Covina 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 Dun Huu Ha
NPI records show Dr. Ha as active with telehealth listed in Covina, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (626) 331-6411.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2018 · CMS Physician Comparator. See Data Methodology.
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Contact Dun Huu Ha
Practice Location
420 W Rowland St, Covina, CA 91723-2943
Mailing Address
Po Box 35380, Las Vegas, NV 89133-5380
This is a provider directory. Contact the office directly to schedule appointments.
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