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- 13362 Brookhurst St, Garden Grove, CA 92843
About Dr. Nguyen
Quoc A. Nguyen, M.D. is a healthcare provider in Garden Grove, CA specializing in otolaryngology (ent). Quoc trained at Yale University School of Medicine, graduating in 1991. Quoc is also listed as specializing in otolaryngology — pediatric. Medicare claims data shows Quoc provided 3,470 services to 1,680 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, removal of impacted ear wax, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. This provider record is associated with NPI 1659394419.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (714) 534-4471
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
13362 BROOKHURST ST
Garden Grove, CA 92843
Conditions Commonly Evaluated or Treated
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.
Conditions
Cancer
- Nasopharyngeal cancer
- Oropharyngeal cancer
- Sinonasal cancer
- Laryngeal cancer
- Oral cavity cancer
- Skin cancer of the head and neck
Pediatric and congenital
- Congenital neck mass
Most searched conditions
Balance
- Ménière's disease
Ear and hearing
- Cholesteatoma
- Eustachian tube dysfunction
- Hearing loss
- Otosclerosis
- Perforated eardrum
- Swimmer's ear
Head, neck, and salivary
- Hyperparathyroidism
- Neck mass
- Parotid gland tumor
- Salivary gland infection
- Thyroid cancer
Nose and sinus
- Broken nose
- Deviated septum
- Loss or reduction of smell
- Nasal obstruction
- Nasal polyps
- Nosebleeds
- Seasonal allergies
Sleep and airway
Throat and voice
- Enlarged adenoids
- Globus sensation
- Hoarseness and voice change
- Laryngopharyngeal reflux
- Swallowing difficulties
- Vocal cord nodules
- Vocal cord paralysis
Head & Neck
Throat & Voice
- Frequent Strep Throat
Procedures & services
Cosmetic
- Earlobe Repair
Ear & Hearing
- Bone-Anchored Hearing Aid Surgery
- Eustachian Tube Balloon Dilation
Ear procedures
- Bone-anchored hearing-device placement
- Cochlear implant surgery
- Ear-tube placement
- Eardrum repair
- Mastoid surgery
- Stapes surgery
- Earwax removal
Endocrine Surgery
- Thyroid Surgery Consultation
Facial plastic and reconstructive
- Facial reconstructive surgery
Head & Neck
- Neck Lump Removal
- Salivary Duct Stone Removal
- Thyroid Nodule Biopsy
Head and neck surgery
- Parathyroid surgery
- Submandibular gland removal
- Thyroid removal surgery
- Transoral robotic surgery
- Voice-box removal
- Neck lymph-node dissection
- Parotid gland surgery
Nose & Sinus
- Broken Nose Repair
Nose and sinus procedures
- Balloon sinus dilation
- Endoscopic sinus surgery
- Nasal cautery for nosebleeds
- Nasal-polyp removal
- Reduction of a broken nose
- Septoplasty
- Turbinate reduction
- Rhinoplasty
Office diagnosis
- Balance and vestibular testing
- ENT consultation
- Fine-needle aspiration of a neck mass
- Flexible laryngoscopy
- Hearing test
- Nasal endoscopy
- Rigid laryngoscopy
Throat, voice, and swallowing
- Esophageal dilation
- Instrumental swallowing evaluation
- Microlaryngoscopy
- Vocal-fold injection
Most searched procedures
- Adenoidectomy
- Ear tube surgery
- Hearing test
- Sinus surgery
- Tonsillectomy
Sleep and airway
- Drug-induced sleep endoscopy
- Hypoglossal nerve stimulator implantation
- Uvulopalatopharyngoplasty
Throat & Voice
Procedures Most Often Billed to Medicare
3,470 services · 1,680 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of impacted ear wax | Procedure | 69210 |
1,359 | More than most peers in Otolaryngology (ENT) |
| Diagnostic exam of voice box using a flexible endoscope | Procedure | 31575 |
36 | As often as other peers in Otolaryngology (ENT) |
| Diagnostic exam of nasal passages using an endoscope | Procedure | 31231 |
34 | 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 |
1,497 | More than most peers in Otolaryngology (ENT) |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
357 | 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 |
99 | More often than most peers in Otolaryngology (ENT) |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
88 | 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.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 1
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Trained at Yale University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1991 at Yale University School of Medicine 8
Providers who graduated from the same medical school in the same year.
More connections — 7 related providers in 1 group
Also performs Removal of impacted ear wax 7
Providers in CA who bill this service to Medicare most often.
Common questions
What is Quoc A. Nguyen's specialty?
Quoc A. Nguyen is an otolaryngology (ent) in Garden Grove, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Quoc A. Nguyen?
Quoc A. Nguyen is listed at 13362 Brookhurst St, Garden Grove, CA 92843. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Quoc A. Nguyen?
The number on file is (714) 534-4471. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Quoc A. Nguyen?
Quoc A. Nguyen's National Provider Identifier is 1659394419. 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
What is Quoc A. Nguyen's education?
Quoc A. Nguyen attended Yale University School of Medicine, graduating in 1991. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Quoc A. Nguyen have?
Quoc A. Nguyen has 35 years experience. Calculated from a graduation year of 1991, reported in the CMS National Downloadable File.
CMS public data
What is Quoc A. Nguyen known for?
According to Medicare billing data, Quoc A. Nguyen performs procedures including removal of impacted ear wax, diagnostic exam of voice box using a flexible endoscope 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
Is Quoc A. Nguyen's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Quoc A. Nguyen. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.