Doctor profile · Federal record
Dr. Catherine Liu, M.D.
Ophthalmology Physician (CMS: Ophthalmology) · Boston, MA
- NPI 1619542362
- Accepts Medicare
- 10 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
243 Charles St
Boston, MA 021143002
(617) 573-4443
Credentials & registration
- NPI registered
- May 2021 — 5 yrs on file
- Profile last updated
- October 18, 2021
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 207W00000X — NUCC code
- State license (1)
- Massachusetts #286993
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1619542362. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
243
Distinct HCPCS
7
Medicare allowed
$25,019
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 54 | 47 | $70 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 51 | 45 | $104 | |
99283 |
Emergency department visit with low level of medical decision making | 42 | 42 | $75 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 32 | 28 | $116 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 24 | 24 | $160 | |
99284 |
Emergency department visit with moderate level of medical decision making | 24 | 24 | $126 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 16 | 16 | $137 |
In context: peer comparison
Among 89 peers in Boston Ophthalmology Physician, average services per provider: 193. This provider delivers 1.3× the peer median.Open Payments
Industry payments received
All-time total
$606
Transactions
5
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Glaukos Corporation | 2 | $207.52 | |
| Alcon Vision LLC | 1 | $146.21 | |
| Mallinckrodt Hospital Products INC. | 1 | $128.33 | |
| Rayner Intraocular Lenses Limited | 1 | $123.73 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
938
Patients
384
Total drug cost
$91,957
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisolone Acetate | Generic | 232 | 115 | $11,347 |
| Moxifloxacin (Moxifloxacin Hcl) | Brand | 152 | 72 | $4,797 |
| Doxycycline Monohydrate | Generic | 91 | 32 | $2,639 |
| Erythromycin (Erythromycin Base) | Brand | 69 | 40 | $958 |
| Fluorometholone | Generic | 54 | 17 | $4,765 |
| Loteprednol Etabonate | Generic | 51 | 19 | $8,644 |
| Valacyclovir (Valacyclovir Hcl) | Brand | 51 | 26 | $2,555 |
| Timolol Maleate | Generic | 40 | 20 | $2,619 |
| Restasis (Cyclosporine) | Brand | 39 | 16 | $39,267 |
| Acyclovir | Generic | 37 | 14 | $1,154 |
Hospital affiliations
Frequently asked questions
What is Dr. Catherine Liu's medical specialty?
Dr. Catherine Liu practices Ophthalmology Physician in Boston, MA.
Where does Dr. Catherine Liu practice?
Dr. Catherine Liu practices at 243 Charles St, Boston, MA 021143002. Office phone: 6175734443.
What is Dr. Catherine Liu's NPI?
Dr. Catherine Liu's National Provider Identifier (NPI) is 1619542362, issued by NPPES.
Does Dr. Catherine Liu accept Medicare assignment?
Yes. Dr. Catherine Liu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Catherine Liu commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Emergency department visit with low level of medical decision making (HCPCS 99283). Source: CMS Medicare Physician & Other Practitioners file.