Provider Profile
Diana Ngo, O.D.
Unclaimed ProfileAbout Dr. Ngo
Listed in the NPI registry as an optometrist, Diana Ngo, O.D. practices in Houston, TX. Diana graduated from Illinois College of Optometry at Chicago in 1999. Medicare claims data shows Diana provided 109 services to 96 patients. The services billed most often include photography of the retina, established patient complete exam of visual system, and established patient office or other outpatient visit with low level od decision making, if using time, 20 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.
Education & Training
Specialty
Credentials & Licensing
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.
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
- (713) 722-9066
- Email not available
Practice Locations
1343 S VOSS RD
Houston, TX 77057
Conditions Commonly Evaluated or Treated
Within Optometry 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
Contact lens issues
Cornea conditions
Corneal issues
Eye conditions
Eye discomfort
Eye diseases
Eye infections
Eye inflammation
Eye injuries
Eye irritation
Eye surface issues
Eyelid conditions
Eyelid issues
Pediatric eye conditions
Pupil issues
Tear duct issues
Vision changes
- Blurry Vision
- Color Blindness
- Distorted Vision
- Double Vision
- Eye Floaters and Flashes
- Eye Strain
- Farsightedness
- Halos Around Lights
- Light Sensitivity
- Night Blindness
- Posterior vitreous detachment
- Tunnel Vision
- Visual Migraines
Procedures & services
Most searched procedures
Contact lens exams
- Bifocal or Multifocal Contact Lens Fitting
- Contact Lens Training
- Plano (Non-Prescription) Colored Contact Lens Exam
- Toric Contact Lens Fitting
Dry eye treatments
Examinations
- Comprehensive medical eye examination
- Diabetic Eye Exam
- DMV Vision Test
- Low Vision Assessment
- Pediatric Eye Exam
Eyelid care
Eyelid treatments
General exams
Glasses and eyewear
- Blue Light Glasses Consultation
- Eyeglass Frame Adjustment and Repair
- Prescription Sunglasses Consultation
- Prism Eyeglasses Fitting
Imaging & tests
- Color Vision Testing
- Corneal topography
- Coronary optical coherence tomography
- Eye-pressure measurement
- Pachymetry
- Retinal photography
- Visual Field Test
Imaging and scans
Minor procedures
Specialty lenses
Surgical evaluations
Tear duct procedures
Therapy
Urgent care
Vision correction
Procedures Most Often Billed to Medicare
109 services · 96 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Photography of the retina | Treatment | 92250 |
35 | As often as other peers in Optometrist |
| Established patient complete exam of visual system | Treatment | 92014 |
31 | Less often than most peers in Optometrist |
| Exam of visual field with limited testing | Treatment | 92081 |
19 | Less often than most peers in Optometrist |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
24 | Less often than most peers in Optometrist |
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 3
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other optometrists in Houston 8
Same specialty, same city.
Trained at Illinois College of Optometry at Chicago 8
Other providers in the same specialty who trained at the same institution.
More connections — 15 related providers in 2 groups
Class of 1999 at Illinois College of Optometry at Chicago 7
Providers who graduated from the same medical school in the same year.
Also performs Photography of the retina 8
Providers in TX who bill this service to Medicare most often.
Common questions
What kind of doctor is Diana Ngo?
Diana Ngo is an optometrist in Houston, TX. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Diana Ngo's address?
Diana Ngo is listed at 1343 S Voss Rd, Houston, TX 77057. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Diana Ngo?
The number on file is (713) 722-9066. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Diana Ngo?
Diana Ngo's National Provider Identifier is 1922199983. 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 Diana Ngo train?
Diana Ngo attended Illinois College of Optometry at Chicago, graduating in 1999. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Diana Ngo have?
Diana Ngo has 27 years experience. Calculated from a graduation year of 1999, reported in the CMS National Downloadable File.
CMS public data
What procedures does Diana Ngo perform?
According to Medicare billing data, Diana Ngo provides treatments such as photography of the retina and established patient complete exam of visual system, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Diana Ngo's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Diana Ngo. 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.