Doctor profile · Federal record
Dr. Han-Ying Chang
Ophthalmology Physician (CMS: Ophthalmology) · Boston, MA
- NPI 1184882870
- Accepts Medicare
- 18 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
243 Charles St
Boston, MA 021143002
(617) 523-7900 - Mailing address
-
4 Emerson Pl, Apt 607
Boston, MA 021142275
Credentials & registration
- NPI registered
- May 2008 — 18 yrs on file
- Profile last updated
- October 24, 2012
- Year of graduation
- 2008 — 18 yrs since
- Specialty taxonomy
- 207W00000X — NUCC code
- State license (1)
- Massachusetts #250406
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1184882870. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
891
Distinct HCPCS
10
Medicare allowed
$72,809
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
92014 |
Established patient complete exam of visual system | 171 | 159 | $82 | |
92285 |
Photography of content of eyes | 92 | 65 | $3 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 89 | 69 | $70 | |
92134 |
Imaging of retina | 66 | 62 | $27 | |
92083 |
Exam of visual field with extended testing | 65 | 54 | $29 | |
92133 |
Imaging of optic nerve | 60 | 60 | $23 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 60 | 43 | $70 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 56 | 53 | $104 | |
92014 |
Established patient complete exam of visual system | 46 | 44 | $82 | |
66984 |
Removal of cataract with insertion of prosthetic lens | 27 | 22 | $596 |
In context: peer comparison
Among 89 peers in Boston Ophthalmology Physician, average services per provider: 193. This provider delivers 4.6× the peer median.Open Payments
Industry payments received
All-time total
$14
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Ocular Therapeutix, INC. | 1 | $13.88 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
372
Patients
164
Total drug cost
$52,397
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisolone Acetate | Generic | 89 | 59 | $4,336 |
| Latanoprost | Generic | 62 | 18 | $929 |
| Restasis (Cyclosporine) | Brand | 50 | 0 | $43,423 |
| Moxifloxacin (Moxifloxacin Hcl) | Brand | 49 | 31 | $1,649 |
| Ketorolac Tromethamine | Generic | 48 | 28 | $871 |
| Neomycin-Polymyxin-Dexameth (Neomycin/Polymyxin B/Dexametha) | Brand | 44 | 28 | $604 |
| Brimonidine Tartrate | Generic | 15 | 0 | $83 |
| Timolol Maleate | Generic | 15 | 0 | $501 |
Hospital affiliations
Frequently asked questions
What is Dr. Han-Ying Chang's medical specialty?
Dr. Han-Ying Chang practices Ophthalmology Physician in Boston, MA.
Where does Dr. Han-Ying Chang practice?
Dr. Han-Ying Chang practices at 243 Charles St, Boston, MA 021143002. Office phone: 6175237900.
What is Dr. Han-Ying Chang's NPI?
Dr. Han-Ying Chang's National Provider Identifier (NPI) is 1184882870, issued by NPPES.
Does Dr. Han-Ying Chang accept Medicare assignment?
Yes. Dr. Han-Ying Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Han-Ying Chang commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Photography of content of eyes (HCPCS 92285); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.