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Edit this profileAnn M. Chiu, MD is a healthcare provider in Presque Isle, ME specializing in ophthalmology. Ann is also listed as specializing in ophthalmology — cornea & external disease. Medicare claims data shows Ann provided 850 services to 660 patients. The services billed most often include imaging of retina, established patient complete exam of visual system, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. This provider record is associated with NPI 1245018175.
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.
146 ACADEMY ST STE D
Presque Isle, ME 04769
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
850 services · 660 patients · 16 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of drug into eye | Procedure | 67028 |
67 | Less often than most peers in Ophthalmology |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
27 | Less often than most peers in Ophthalmology |
| Creation of eye fluid drainage tracts in iris using a laser, per session | Procedure | 66761 |
27 | As often as other peers in Ophthalmology |
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
19 | Less often than most peers in Ophthalmology |
| Imaging of retina | Treatment | 92134 |
198 | As often as other peers in Ophthalmology |
| Established patient complete exam of visual system | Treatment | 92014 |
102 | Less often than most peers in Ophthalmology |
| Imaging of optic nerve | Treatment | 92133 |
60 | Less often than most peers in Ophthalmology |
| Exam of visual field with extended testing | Treatment | 92083 |
43 | Less often than most peers in Ophthalmology |
| Exam of the internal drainage system of eye | Treatment | 92020 |
35 | As often as other peers in Ophthalmology |
| New patient complete exam of visual system | Treatment | 92004 |
31 | 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. Chiu is an eye doctor in Presque Isle, ME. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Dr. Chiu is listed at 146 Academy St Ste D, Presque Isle, ME 04769. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (207) 764-7900. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Chiu's National Provider Identifier is 1245018175. 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. Chiu has 3+ years experience. Registered with an NPI since 2023. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
According to Medicare billing data, Dr. Chiu performs procedures including injection of drug into eye, removal of recurring cataract in lens capsule using a laser and creation of eye fluid drainage tracts in iris using a laser, per session; provides treatments such as imaging of 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
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Chiu. If this is you, claiming it is free.
Guide.md
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