Physician Profile
Ngon H. Dinh, DO is a healthcare provider in San Jose, CA specializing in otolaryngology (ent). Ngon trained at College of Osteo Med of the Pacific at Pomona, graduating in 1991. Medicare claims data shows Ngon provided 533 services to 469 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, simple removal of skin debris and drainage of mastoid cavity, and new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
200 JOSE FIGUERES AVE STE 290
San Jose, CA 95116
Within Otolaryngology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Balance
Ear and hearing
Head, neck, and salivary
Nose and sinus
Sleep and airway
Throat and voice
Cancer
Head & Neck
Throat & Voice
Most searched procedures
Office diagnosis
Cosmetic
Ear & Hearing
Ear procedures
Head & Neck
Head and neck surgery
Nose & Sinus
Nose and sinus procedures
Sleep and airway
Throat & Voice
Throat, voice, and swallowing
533 services · 469 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Simple removal of skin debris and drainage of mastoid cavity | Procedure | 69220 |
130 | More than most peers in Otolaryngology (ENT) |
| Diagnostic exam of nasal passages using an endoscope | Procedure | 31231 |
19 | Less often than most peers in Otolaryngology (ENT) |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
291 | More often than most peers in Otolaryngology (ENT) |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
93 | More often than most peers in Otolaryngology (ENT) |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Dinh is an otolaryngology (ent) in San Jose, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Dr. Dinh is listed at 200 Jose Figueres Ave Ste 290, San Jose, CA 95116. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (408) 251-9700. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Dinh's National Provider Identifier is 1730156027. 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
Dr. Dinh attended College of Osteo Med of the Pacific at Pomona, graduating in 1991. This comes from the CMS National Downloadable File.
CMS public data
Dr. Dinh has 35 years experience. Calculated from a graduation year of 1991, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Dinh performs procedures including simple removal of skin debris and drainage of mastoid cavity and diagnostic exam of nasal passages using an endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Dinh. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.