Physician Profile
Brian M. Chang, MD practices ophthalmology — glaucoma in Cottonwood, AZ. Brian is a 1997 graduate of Emory University School of Medicine. Brian is also listed as specializing in ophthalmology. Medicare claims data shows Brian provided 2,068 services to 1,453 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, measurement of corneal curvature and depth of eye, and removal of cataract with insertion of prosthetic lens.
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.
270 S CANDY LN
Cottonwood, AZ 86326
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
2,068 services · 1,453 patients · 18 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
192 | More often than most peers in Ophthalmology — Glaucoma |
| Insertion of drug delivery implant into tear duct of eye | Procedure | 68841 |
160 | More often than most peers in Ophthalmology — Glaucoma |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
75 | More often than most peers in Ophthalmology — Glaucoma |
| Extracapsular removal of cataract with insertion of artificial lens and insertion of drainage device in front chamber of eye | Procedure | 66991 |
28 | As often as other peers in Ophthalmology — Glaucoma |
| Laser repair to improve eye fluid flow | Procedure | 65855 |
23 | |
| Ultrasound scan to determine eye length and lens power | Imaging | 76519 |
28 | As often as other peers in Ophthalmology — Glaucoma |
| Ultrasound scan of cornea to determine thickness | Imaging | 76514 |
15 | |
| Measurement of corneal curvature and depth of eye | Treatment | 92136 |
329 | More than most peers in Ophthalmology — Glaucoma |
| Exam of visual field with extended testing | Treatment | 92083 |
174 | As often as other peers in Ophthalmology — Glaucoma |
| Imaging of optic nerve | Treatment | 92133 |
152 | As often as other peers in Ophthalmology — Glaucoma |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Chang is an eye doctor in Cottonwood, AZ. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology — Glaucoma”.
NPI registry
Dr. Chang is listed at 270 S Candy Ln, Cottonwood, AZ 86326. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (480) 892-8400. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Chang's National Provider Identifier is 1700879343. 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. Chang attended Emory University School of Medicine, graduating in 1997. This comes from the CMS National Downloadable File.
CMS public data
Dr. Chang has 29 years experience. Calculated from a graduation year of 1997, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Chang performs procedures including removal of cataract with insertion of prosthetic lens, insertion of drug delivery implant into tear duct of eye and removal of recurring cataract in lens capsule using a laser; reads or performs imaging such as ultrasound scan to determine eye length and lens power and ultrasound scan of cornea to determine thickness; provides treatments such as measurement of corneal curvature and depth of eye 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
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Chang. 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.