Doctor profile · Federal record
Dr. Diane Chang, M.D., PH.D.
Ophthalmology Physician (CMS: Ophthalmology) · Internal Medicine Physician · Student in an Organized Health Care Education/Training Program · Ophthalmology Physician · New York, NY
- NPI 1588826168
- Accepts Medicare
- MIPS 51.3 / 100 · 2023
- 18 yrs in practice
- Licensed in 3 states
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
70 E 10Th St Apt 1F
New York, NY 100035105
(212) 673-5650
Credentials & registration
- NPI registered
- June 2008 — 18 yrs on file
- Profile last updated
- July 1, 2015
- Year of graduation
- 2008 — 18 yrs since
- Specialty taxonomy
- 207W00000X — NUCC code
- State licenses (3)
- Maryland #D79306 · Pennsylvania #MT193100 · New York #257294
- Medicaid
- MD #094298700
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1588826168. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
3,514
Distinct HCPCS
10
Medicare allowed
$431,635
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
92014 |
Established patient complete exam of visual system | 670 | 657 | $128 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 651 | 560 | $129 | |
92250 |
Photography of the retina | 436 | 427 | $37 | |
92134 |
Imaging of retina | 341 | 328 | $40 | |
92083 |
Exam of visual field with extended testing | 281 | 257 | $64 | |
92136 |
Measurement of corneal curvature and depth of eye | 258 | 177 | $41 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 216 | 176 | $91 | |
92133 |
Imaging of optic nerve | 162 | 160 | $36 | |
66984 |
Removal of cataract with insertion of prosthetic lens | 154 | 103 | $544 | |
66982 |
Complex removal of cataract with insertion of prosthetic lens | 76 | 58 | $744 |
In context: peer comparison
Among 152 peers in New York Ophthalmology Physician, average services per provider: 275. This provider delivers 13× the peer median.Open Payments
Industry payments received
All-time total
$315
Transactions
13
Manufacturers
7
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Tarsus Pharmaceuticals, INC. | 3 | $104.62 | |
| Alcon Vision LLC | 2 | $58.85 | |
| Bausch & Lomb Americas INC. | 2 | $44.57 | |
| Biotissue Holdings INC. | 2 | $36.42 | |
| Johnson & Johnson Surgical Vision, INC. | 2 | $33.82 | |
| Sun Pharmaceutical Industries INC. | 1 | $18.76 | |
| Glaukos Corporation | 1 | $17.60 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
549
Patients
140
Total drug cost
$132,419
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Latanoprost | Generic | 289 | 79 | $7,024 |
| Brimonidine Tartrate | Generic | 46 | 14 | $6,832 |
| Timolol Maleate | Generic | 33 | 13 | $1,594 |
| Restasis (Cyclosporine) | Brand | 28 | 0 | $41,302 |
| Prednisolone Acetate | Generic | 26 | 21 | $1,244 |
| Dorzolamide Hcl | Generic | 24 | 0 | $639 |
| Xiidra (Lifitegrast) | Brand | 24 | 0 | $48,338 |
| Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) | Brand | 22 | 0 | $1,045 |
| Moxifloxacin (Moxifloxacin Hcl) | Brand | 17 | 13 | $525 |
| Lumigan (Bimatoprost) | Brand | 16 | 0 | $13,501 |
Frequently asked questions
What is Dr. Diane Chang's medical specialty?
Dr. Diane Chang practices Ophthalmology Physician in New York, NY.
Where does Dr. Diane Chang practice?
Dr. Diane Chang practices at 70 E 10Th St Apt 1F, New York, NY 100035105. Office phone: 2126735650.
What is Dr. Diane Chang's NPI?
Dr. Diane Chang's National Provider Identifier (NPI) is 1588826168, issued by NPPES.
Does Dr. Diane Chang accept Medicare assignment?
Yes. Dr. Diane Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Diane Chang commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Established patient office or other outpatient visit (HCPCS 99214); Photography of the retina (HCPCS 92250). Source: CMS Medicare Physician & Other Practitioners file.