Doctor profile · Federal record
Dr. Alexander Chang, MD
Ophthalmology Physician (CMS: Ophthalmology) · Pittsburgh, PA
- NPI 1497808760
- Accepts Medicare
- MIPS 73.3 / 100 · 2023
- 50 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2101 Greentree RD Ste 105
Pittsburgh, PA 152201400
(412) 429-2020
fax (412) 429-0932
Credentials & registration
- NPI registered
- January 2007 — 19 yrs on file
- Profile last updated
- January 28, 2008
- Year of graduation
- 1976 — 50 yrs since
- Specialty taxonomy
- 207W00000X — NUCC code
- State license (1)
- Pennsylvania #MD019796E
- Medicaid
- PA #0007424010005
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1497808760. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
4,960
Distinct HCPCS
10
Medicare allowed
$478,961
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
92014 |
Established patient complete exam of visual system | 1,370 | 1,341 | $120 | |
92134 |
Imaging of retina | 553 | 380 | $38 | |
92012 |
Established patient problem focused exam of visual system | 371 | 325 | $85 | |
92133 |
Imaging of optic nerve | 348 | 336 | $34 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 348 | 280 | $86 | |
83861 |
Microfluid analysis of tears | 248 | 122 | $22 | |
92083 |
Exam of visual field with extended testing | 232 | 219 | $59 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 198 | 157 | $54 | |
92136 |
Measurement of corneal curvature and depth of eye | 194 | 125 | $30 | |
92250 |
Photography of the retina | 180 | 177 | $35 |
In context: peer comparison
Among 36 peers in Pittsburgh Ophthalmology Physician, average services per provider: 352. This provider delivers 14× the peer median.Open Payments
Industry payments received
All-time total
$195
Transactions
10
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Amgen INC. | 4 | $70.93 | |
| Thea Pharma INC. | 2 | $34.87 | |
| Alcon Vision LLC | 1 | $33.50 | |
| Oyster Point Pharma, INC. | 2 | $32.36 | |
| Genentech USA, INC. | 1 | $23.73 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,312
Patients
865
Total drug cost
$530,681
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Latanoprost | Generic | 682 | 148 | $9,365 |
| Lumigan (Bimatoprost) | Brand | 359 | 111 | $172,454 |
| Timolol Maleate | Generic | 236 | 70 | $5,553 |
| Prednisolone Acetate | Generic | 214 | 146 | $10,509 |
| Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) | Brand | 158 | 37 | $4,683 |
| Ketorolac Tromethamine | Generic | 104 | 92 | $1,898 |
| Xiidra (Lifitegrast) | Brand | 99 | 43 | $123,088 |
| Moxifloxacin (Moxifloxacin Hcl) | Brand | 80 | 75 | $2,823 |
| Combigan (Brimonidine Tartrate/Timolol) | Brand | 59 | 16 | $23,041 |
| Dorzolamide Hcl | Generic | 59 | 18 | $1,611 |
Frequently asked questions
What is Dr. Alexander Chang's medical specialty?
Dr. Alexander Chang practices Ophthalmology Physician in Pittsburgh, PA.
Where does Dr. Alexander Chang practice?
Dr. Alexander Chang practices at 2101 Greentree RD Ste 105, Pittsburgh, PA 152201400. Office phone: 4124292020.
What is Dr. Alexander Chang's NPI?
Dr. Alexander Chang's National Provider Identifier (NPI) is 1497808760, issued by NPPES.
Does Dr. Alexander Chang accept Medicare assignment?
Yes. Dr. Alexander Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alexander Chang commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Imaging of retina (HCPCS 92134); Established patient problem focused exam of visual system (HCPCS 92012). Source: CMS Medicare Physician & Other Practitioners file.