Doctor profile · Federal record
Dr. Brian Chang, MD
Glaucoma Specialist (Ophthalmology) Physician (CMS: Ophthalmology) · Ophthalmology Physician · Cottonwood, AZ
- NPI 1700879343
- Accepts Medicare
- MIPS 87.7 / 100 · 2023
- 29 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
270 S Candy Ln
Cottonwood, AZ 863264164
(480) 892-8400
fax (480) 892-9533 - Mailing address
-
4800 N 22Nd St
Phoenix, AZ 850164701
Credentials & registration
- NPI registered
- August 2005 — 21 yrs on file
- Profile last updated
- April 30, 2019
- Year of graduation
- 1997 — 29 yrs since
- Specialty taxonomy
- 207WX0009X — NUCC code
- State license (1)
- Arizona #34356
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1700879343. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,826
Distinct HCPCS
10
Medicare allowed
$229,005
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
92136 |
Measurement of corneal curvature and depth of eye | 282 | 120 | $26 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 235 | 145 | $89 | |
66984 |
Removal of cataract with insertion of prosthetic lens | 180 | 103 | $466 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 168 | 132 | $126 | |
68841 |
Insertion of drug delivery implant into tear duct of eye | 156 | 87 | $16 | |
92083 |
Exam of visual field with extended testing | 145 | 121 | $55 | |
92014 |
Established patient complete exam of visual system | 138 | 134 | $124 | |
92133 |
Imaging of optic nerve | 137 | 131 | $33 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 93 | 93 | $216 | |
66821 |
Removal of recurring cataract in lens capsule using a laser | 64 | 41 | $294 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 107. This provider delivers 17× the peer median.Open Payments
Industry payments received
All-time total
$213
Transactions
10
Manufacturers
9
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Amgen Inc. | 2 | $39.44 | |
| Genmab U.S., Inc. | 1 | $32.27 | |
| Mallinckrodt Hospital Products Inc. | 1 | $25.10 | |
| Bausch & Lomb Americas Inc. | 1 | $24.50 | |
| Rayner Intraocular Lenses Limited | 1 | $22.93 | |
| ABBVIE INC. | 1 | $20.49 | |
| Alcon Vision LLC | 1 | $17.66 | |
| Tarsus Pharmaceuticals, Inc. | 1 | $16.27 | |
| Glaukos Corporation | 1 | $14.54 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,908
Patients
654
Total drug cost
$174,033
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Latanoprost | Generic | 497 | 133 | $11,983 |
| Timolol Maleate | Generic | 361 | 99 | $4,943 |
| Ketorolac Tromethamine | Generic | 199 | 153 | $4,639 |
| Brimonidine Tartrate | Generic | 183 | 51 | $2,978 |
| Dorzolamide Hcl | Generic | 142 | 37 | $4,329 |
| Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) | Brand | 132 | 39 | $4,547 |
| Lumigan (Bimatoprost) | Brand | 118 | 35 | $72,092 |
| Prednisolone Acetate | Generic | 106 | 67 | $4,959 |
| Alphagan P (Brimonidine Tartrate) | Brand | 46 | 0 | $22,794 |
| Combigan (Brimonidine Tartrate/Timolol) | Brand | 26 | 11 | $14,383 |
Frequently asked questions
What is Dr. Brian Chang's medical specialty?
Dr. Brian Chang practices Glaucoma Specialist (Ophthalmology) Physician in Cottonwood, AZ.
Where does Dr. Brian Chang practice?
Dr. Brian Chang practices at 270 S Candy Ln, Cottonwood, AZ 863264164. Office phone: 4808928400.
What is Dr. Brian Chang's NPI?
Dr. Brian Chang's National Provider Identifier (NPI) is 1700879343, issued by NPPES.
Does Dr. Brian Chang accept Medicare assignment?
Yes. Dr. Brian Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Brian Chang commonly perform?
Top Medicare-reported procedures in 2023: Measurement of corneal curvature and depth of eye (HCPCS 92136); Established patient office or other outpatient visit (HCPCS 99213); Removal of cataract with insertion of prosthetic lens (HCPCS 66984). Source: CMS Medicare Physician & Other Practitioners file.