Physician Profile
Bao-Thu T. Nguyen, M.D.
Unclaimed ProfileAbout Dr. Nguyen
Bao-Thu T. Nguyen, M.D. practices ophthalmology in Long Beach, CA. Bao-Thu is a 1995 graduate of University of California, Geffen School of Medicine. According to Medicare claims data, Bao-Thu cared for 3,847 Medicare patients across 5,274 services. 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, photography of the retina, and exam of visual field with extended testing. The provider's National Provider Identifier (NPI) is 1538137666.
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
- (562) 591-7700
- Email not available
Practice Locations
4300 LONG BEACH BLVD STE 400
Long Beach, CA 90807
15825 Laguna Canyon Rd Ste 201
Irvine, CA 92618
363 S Main St Ste 325
Orange, CA 92868
14726 Ramona Ave Ste 290
Chino, CA 91710
360 San Miguel Dr Ste 307
Newport Beach, CA 92660
Conditions Commonly Evaluated or Treated
Within Ophthalmology 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
Most searched conditions
Cornea and external eye
Eyelid and tear drainage
Refractive and focusing
- Astigmatism
- Eye misalignment (strabismus)
- Farsightedness
- Lazy eye (amblyopia)
- Nearsightedness
- Presbyopia
Retina and vitreous
Eye injuries
Inflammation, neurologic, and orbit
Retina & vitreous
Procedures & services
Most searched procedures
Examination and imaging
Cataract and lens
Corneal procedures
Eye diagnostics
Eye injuries
Eyelid surgery
Eyelid, tear duct, and muscle
Glaucoma
- Glaucoma drainage-device implantation
- Laser peripheral iridotomy
- Minimally invasive glaucoma surgery
- Selective laser trabeculoplasty
Laser eye surgery
Laser procedures
Laser vision correction
Refractive surgery
Tear duct & Orbit
Procedures Most Often Billed to Medicare
5,274 services · 3,847 patients · 20 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Laser repair to improve eye fluid flow | Procedure | 65855 |
155 | More than most peers in Ophthalmology |
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
73 | As often as other peers in Ophthalmology |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
68 | More often than most peers in Ophthalmology |
| Extracapsular removal of cataract with insertion of artificial lens and insertion of drainage device in front chamber of eye | Procedure | 66991 |
37 | More often than most peers in Ophthalmology |
| Injection of medication into eye | Procedure | 66030 |
37 | More often than most peers in Ophthalmology |
| Dilation of fluid outflow drainage within eye | Procedure | 66174 |
21 | Less often than most peers in Ophthalmology |
| Ultrasound scan of cornea to determine thickness | Imaging | 76514 |
109 | More than most peers in Ophthalmology |
| Photography of the retina | Treatment | 92250 |
981 | More than most peers in Ophthalmology |
| Exam of visual field with extended testing | Treatment | 92083 |
608 | More than most peers in Ophthalmology |
| Imaging of optic nerve | Treatment | 92133 |
540 | More than most peers in Ophthalmology |
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.
Other eye doctors at this location 4
Same specialty, same street address — most likely the same department or group.
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.
Other eye doctors in Long Beach 6
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at University of California, Geffen School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1995 at University of California, Geffen School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Laser repair to improve eye fluid flow 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Bao-Thu T. Nguyen specialize in?
Bao-Thu T. Nguyen is an eye doctor in Long Beach, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Where is Bao-Thu T. Nguyen located?
Bao-Thu T. Nguyen is listed at 4300 Long Beach Blvd Ste 400, Long Beach, CA 90807. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Bao-Thu T. Nguyen's phone number?
The number on file is (562) 591-7700. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Bao-Thu T. Nguyen's NPI number?
Bao-Thu T. Nguyen's National Provider Identifier is 1538137666. 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 Bao-Thu T. Nguyen train?
Bao-Thu T. Nguyen attended University of California, Geffen School of Medicine, graduating in 1995. This comes from the CMS National Downloadable File.
CMS public data
How long has Bao-Thu T. Nguyen been practicing?
Bao-Thu T. Nguyen has 31 years experience. Calculated from a graduation year of 1995, reported in the CMS National Downloadable File.
CMS public data
What does Bao-Thu T. Nguyen do most often?
According to Medicare billing data, Bao-Thu T. Nguyen performs procedures including laser repair to improve eye fluid flow, removal of cataract with insertion of prosthetic lens and removal of recurring cataract in lens capsule using a laser; reads or performs imaging such as ultrasound scan of cornea to determine thickness; provides treatments such as photography of the retina and exam of visual field with extended testing, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Bao-Thu T. Nguyen confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Bao-Thu T. Nguyen. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.