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Edit this profileAt a glance
- 9 Point West Blvd, Saint Charles, MO 63301
About Dr. Liu
Dianna Liu, M.D. practices ophthalmology in Saint Charles, MO. Dianna is a 2013 graduate of Johns Hopkins University School of Medicine. Dianna is also listed as specializing in student in an organized health care education program. Medicare claims data shows Dianna provided 1,960 services to 1,352 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, exam of visual field with extended testing, and visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient'. The provider's National Provider Identifier (NPI) is 1477830511.
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
- (636) 441-7900
- Email not available
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Practice Locations
9 POINT WEST BLVD
Saint Charles, MO 63301
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
Eye injury and cancer
Inflammation, neurologic, and orbit
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
Retina & vitreous
Procedures & services
Cataract and lens
- Cataract surgery with lens implant
- Laser-assisted cataract surgery
- Intraocular lens exchange
- YAG laser capsulotomy
Cornea and refractive
Emergency and minor
- Corneal rust-ring removal
- Removal of an eye foreign body
- Repair of an eye or eyelid laceration
- Repair of ruptured globe
Examination and imaging
- Eye ultrasound
- Slit-lamp examination
- Visual-field testing
- Corneal topography
- Fluorescein angiography
Eyelid, tear duct, and muscle
- Chalazion removal
- Ectropion repair
- Eyelid surgery
- Tear-duct probing
- Drooping-eyelid repair
- Entropion repair
- Eye-muscle surgery
- Tear-duct bypass surgery
Glaucoma
- Cyclophotocoagulation
- Trabeculectomy
- Glaucoma drainage-device implantation
- Laser peripheral iridotomy
- Minimally invasive glaucoma surgery
- Selective laser trabeculoplasty
Retina
Most searched procedures
Corneal procedures
Eye diagnostics
Eye injuries
Eyelid surgery
Laser eye surgery
Laser procedures
Laser vision correction
Refractive surgery
Tear duct & Orbit
Procedures Most Often Billed to Medicare
1,960 services · 1,352 patients · 17 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
46 | Less often than most peers in Ophthalmology |
| Laser repair to improve eye fluid flow | Procedure | 65855 |
37 | More often than most peers in Ophthalmology |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
22 | Less often than most peers in Ophthalmology |
| Ultrasound scan of cornea to determine thickness | Imaging | 76514 |
29 | As often as other peers in Ophthalmology |
| Exam of visual field with extended testing | Treatment | 92083 |
278 | More often than most peers in Ophthalmology |
| Established patient complete exam of visual system | Treatment | 92014 |
199 | As often as other peers in Ophthalmology |
| Imaging of optic nerve | Treatment | 92133 |
180 | More often than most peers in Ophthalmology |
| Established patient problem focused exam of visual system | Treatment | 92012 |
121 | As often as other peers in Ophthalmology |
| Imaging of retina | Treatment | 92134 |
75 | As often as other peers in Ophthalmology |
| Measurement of corneal curvature and depth of eye | Treatment | 92136 |
71 | Less often 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 1
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 Saint Charles 4
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Johns Hopkins University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2013 at Johns Hopkins University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of cataract with insertion of prosthetic lens 8
Providers in MO who bill this service to Medicare most often.
Common questions
What does Dianna Liu specialize in?
Dianna Liu is an eye doctor in Saint Charles, MO. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Where is Dianna Liu located?
Dianna Liu is listed at 9 Point West Blvd, Saint Charles, MO 63301. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dianna Liu's phone number?
The number on file is (636) 441-7900. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dianna Liu?
Dianna Liu's National Provider Identifier is 1477830511. 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 Dianna Liu train?
Dianna Liu attended Johns Hopkins University School of Medicine, graduating in 2013. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dianna Liu have?
Dianna Liu has 13 years experience. Calculated from a graduation year of 2013, reported in the CMS National Downloadable File.
CMS public data
What does Dianna Liu do most often?
According to Medicare billing data, Dianna Liu performs procedures including removal of cataract with insertion of prosthetic lens, laser repair to improve eye fluid flow 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 exam of visual field with extended testing 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 Dianna Liu's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dianna Liu. If this is you, claiming it is free.
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