Physician Profile
Jeffrey Z. Tsao, M.D. is a healthcare provider in Fullerton, CA specializing in ophthalmology. Medicare claims data shows Jeffrey provided 550 services to 442 patients. The services billed most often include established patient problem focused exam of visual system, new patient complete exam of visual system, and established patient complete exam of visual system.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
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.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
301 W BASTANCHURY RD STE 10
Fullerton, CA 92835
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.
Most searched conditions
Cornea and external eye
Eyelid and tear drainage
Refractive and focusing
Retina and vitreous
Eye injuries
Inflammation, neurologic, and orbit
Retina & vitreous
Most searched procedures
Examination and imaging
Cataract and lens
Corneal procedures
Eye diagnostics
Eye injuries
Eyelid surgery
Eyelid, tear duct, and muscle
Glaucoma
Laser eye surgery
Laser procedures
Laser vision correction
Refractive surgery
Tear duct & Orbit
550 services · 442 patients · 12 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
21 | Less often than most peers in Ophthalmology |
| Ultrasound scan of cornea to determine thickness | Imaging | 76514 |
12 | Less often than most peers in Ophthalmology |
| Established patient problem focused exam of visual system | Treatment | 92012 |
163 | As often as other peers in Ophthalmology |
| New patient complete exam of visual system | Treatment | 92004 |
86 | More often than most peers in Ophthalmology |
| Established patient complete exam of visual system | Treatment | 92014 |
84 | Less often than most peers in Ophthalmology |
| Imaging of retina | Treatment | 92134 |
47 | Less often than most peers in Ophthalmology |
| Imaging of optic nerve | Treatment | 92133 |
33 | Less often than most peers in Ophthalmology |
| Measurement of corneal curvature and depth of eye | Treatment | 92136 |
26 | Less often than most peers in Ophthalmology |
| Exam of visual field with extended testing | Treatment | 92083 |
25 | Less often than most peers in Ophthalmology |
| Exam of the internal drainage system of eye | Treatment | 92020 |
20 | 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.
Jeffrey Z. Tsao is an eye doctor in Fullerton, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Jeffrey Z. Tsao is listed at 301 W Bastanchury Rd Ste 10, Fullerton, CA 92835. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (714) 879-7372. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Jeffrey Z. Tsao's National Provider Identifier is 1770024101. 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
Jeffrey Z. Tsao attended Other, graduating in 2017. This comes from the CMS National Downloadable File.
CMS public data
Jeffrey Z. Tsao has 9 years experience. Calculated from a graduation year of 2017, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Jeffrey Z. Tsao performs procedures including removal of cataract with insertion of prosthetic lens; reads or performs imaging such as ultrasound scan of cornea to determine thickness; provides treatments such as established patient problem focused exam of visual system and new patient complete exam of visual system. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Jeffrey Z. Tsao. 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.