Physician Profile
Unclaimed ProfileAbout HA
Based in Covina, CA, Dun Huu Ha, MD is listed in the NPI registry under otolaryngology. Dun graduated from Washington University School of Medicine in 2004. Dun is also listed as specializing in otolaryngology — otology & neurotology and otolaryngology (ent). According to Medicare claims data, Dun cared for 282 Medicare patients across 407 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (626) 331-6411
- Email not available
Practice Locations
420 W ROWLAND ST
Covina, CA 91723
Procedures Most Often Billed to Medicare
407 services · 282 patients · 6 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Removal of impacted ear wax | Procedure | 69210 |
140 |
| Exam to assess movement of vocal cord flaps using an endoscope | Procedure | 31579 |
14 |
| Ultrasound scan of head and neck soft tissue | Imaging | 76536 |
20 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
166 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
49 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
18 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 22 related providers in 3 groups
Trained at Washington University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2004 at Washington University School of Medicine 7
Providers who graduated from the same medical school in the same year.
Also performs Removal of impacted ear wax 7
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Ha?
Dr. Ha is an otolaryngology in Covina, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “OTOLARYNGOLOGY”.
NPI registry
What is Dr. Ha's address?
Dr. Ha is listed at 420 W ROWLAND ST, Covina, CA 91723. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Ha?
The number on file is (626) 331-6411. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Ha's NPI number?
Dr. Ha's National Provider Identifier is 1235199530. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Ha train?
Dr. Ha attended Washington University School of Medicine, graduating in 2004. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Ha been practicing?
Dr. Ha has 22 years experience. Calculated from a graduation year of 2004, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Ha perform?
According to Medicare billing data, Dr. Ha performs procedures including removal of impacted ear wax and exam to assess movement of vocal cord flaps using an endoscope; reads or performs imaging such as ultrasound scan of head and neck soft tissue, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Ha confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Ha. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.