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Edit this profileBased in Fullerton, CA, Lam Phung, MD is listed in the NPI registry under ophthalmology. Lam graduated from University of Miami, Lm Miller School of Medicine in 2017. According to Medicare claims data, Lam cared for 449 Medicare patients across 489 services. The services billed most often include new patient complete exam of visual system, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and established patient complete exam of visual system. NPI 1992231682 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
1400 N HARBOR BLVD STE 101
Fullerton, CA 92835
9428 Valley Blvd Ste 201
Rosemead, CA 91770
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
489 services · 449 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
25 | Less often than most peers in Ophthalmology |
| Ultrasound scan to determine eye length and lens power | Imaging | 76519 |
42 | 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 |
64 | Less often than most peers in Ophthalmology |
| Photography of the retina | Treatment | 92250 |
52 | As often as other peers in Ophthalmology |
| Established patient problem focused exam of visual system | Treatment | 92012 |
39 | Less often than most peers in Ophthalmology |
| Ct scan of cornea | Treatment | 92025 |
33 | As often as other peers in Ophthalmology |
| Imaging of optic nerve | Treatment | 92133 |
31 | Less often than most peers in Ophthalmology |
| Imaging of retina | Treatment | 92134 |
27 | Less often than most peers in Ophthalmology |
| Exam of visual field with extended testing | Treatment | 92083 |
21 | 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.
Dr. Phung 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
Dr. Phung is listed at 1400 N Harbor Blvd Ste 101, 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) 888-2080. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Phung's National Provider Identifier is 1992231682. 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
Dr. Phung attended University of Miami, Lm Miller School of Medicine, graduating in 2017. This comes from the CMS National Downloadable File.
CMS public data
Dr. Phung 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, Dr. Phung performs procedures including removal of cataract with insertion of prosthetic lens; reads or performs imaging such as ultrasound scan to determine eye length and lens power; provides treatments such as new patient complete exam of visual system 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
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Phung. If this is you, claiming it is free.
Guide.md
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