Physician Profile
Vivien Au, D.O.
Unclaimed ProfileAbout Dr. Au
Based in Pasadena, CA, Vivien Au, D.O. is listed in the NPI registry under ophthalmology. Vivien graduated from Philadelphia College of Osteopathic Medicine in 2011. According to Medicare claims data, Vivien cared for 1,916 Medicare patients across 2,816 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, imaging of optic nerve, 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'. NPI 1649550872 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
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
- (626) 793-3475
- Email not available
Practice Locations
2619 E COLORADO BLVD SUITE 100
Pasadena, CA 91107
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
- Blepharitis
- Corneal abrasion
- Corneal ulcer
- Keratoconus
- Pink eye
- Pterygium
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
- Thyroid eye disease
- Uveitis
Retina & vitreous
Procedures & services
Most searched procedures
Examination and imaging
Cataract and lens
Corneal procedures
Eye diagnostics
Eye injuries
- Eye Scratch Laceration Repair
- Foreign Object Removal from Eye
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
2,816 services · 1,916 patients · 17 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Laser repair to improve eye fluid flow | Procedure | 65855 |
29 | As often as other peers in Ophthalmology |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
24 | Less often than most peers in Ophthalmology |
| Closure of tear duct opening using plug | Procedure | 68761 |
23 | Less often than most peers in Ophthalmology |
| Removal of eyelashes using forceps | Procedure | 67820 |
18 | Less often than most peers in Ophthalmology |
| Ultrasound scan of cornea to determine thickness | Imaging | 76514 |
24 | As often as other peers in Ophthalmology |
| Imaging of optic nerve | Treatment | 92133 |
564 | More than most peers in Ophthalmology |
| Exam of visual field with extended testing | Treatment | 92083 |
347 | More often than most peers in Ophthalmology |
| Exam of the internal drainage system of eye | Treatment | 92020 |
96 | More often than most peers in Ophthalmology |
| Established patient complete exam of visual system | Treatment | 92014 |
44 | Less often than most peers in Ophthalmology |
| Photography of the retina | Treatment | 92250 |
40 | 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 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 2
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 32 related providers in 4 groups
Other eye doctors in Pasadena 8
Same specialty, same city.
Trained at Philadelphia College of Osteopathic Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2011 at Philadelphia College of Osteopathic 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 kind of doctor is Vivien Au?
Vivien Au is an eye doctor in Pasadena, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
What is Vivien Au's address?
Vivien Au is listed at 2619 E Colorado Blvd Suite 100, Pasadena, CA 91107. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Vivien Au?
The number on file is (626) 793-3475. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Vivien Au's NPI number?
Vivien Au's National Provider Identifier is 1649550872. 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 Vivien Au train?
Vivien Au attended Philadelphia College of Osteopathic Medicine, graduating in 2011. This comes from the CMS National Downloadable File.
CMS public data
How long has Vivien Au been practicing?
Vivien Au has 15 years experience. Calculated from a graduation year of 2011, reported in the CMS National Downloadable File.
CMS public data
What procedures does Vivien Au perform?
According to Medicare billing data, Vivien Au performs procedures including laser repair to improve eye fluid flow, removal of recurring cataract in lens capsule using a laser and closure of tear duct opening using plug; reads or performs imaging such as ultrasound scan of cornea to determine thickness; provides treatments such as imaging of optic nerve 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 Vivien Au confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Vivien Au. If this is you, claiming it is free.
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Guide.md listings do not constitute medical advice or an endorsement.