Catherine Liu, M.D.
NPI 1619542362 · Ophthalmology Physician · Boston, MA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Catherine Liu, M.D. is a Ophthalmology Physician provider in Boston, MA (NPI 1619542362).
Provider details
- NPI number
- 1619542362
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 286993 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
5 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
852 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 140 | $113 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 122 | $101 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 112 | $155 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 52 | $41 |
| Imaging of Retina92134 | 42 | $34 |
| Ct Scan of Cornea92025 | 38 | $32 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 189 | 99 |
| Moxifloxacin Hclbrand: Moxifloxacin | 136 | 81 |
| Ketorolac Tromethamine | 107 | 54 |
| Latanoprost | 52 | 22 |
| Doxycycline Monohydrate | 37 | 12 |
| Erythromycin Basebrand: Erythromycin | 29 | 18 |
| Cyclosporinebrand: Restasis | 22 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$606 across 5 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-05-25
- Last updated
- 2021-10-18
- Certified
- 2021-10-03
Frequently asked questions
- What is Catherine Liu's NPI number?
- Catherine Liu's National Provider Identifier (NPI) is 1619542362, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Liu's specialty?
- Catherine Liu is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Catherine Liu located?
- Catherine Liu's practice location on file with NPPES is 243 Charles St, Boston, MA 02114-3002.
- What is Catherine Liu's phone number?
- The practice phone number listed in the NPPES registry for Catherine Liu is (617) 573-4443.
- Does Catherine Liu accept Medicare?
- Catherine Liu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Catherine Liu's NPI active?
- Yes — Catherine Liu's NPI (1619542362) is active in the NPPES registry as of the last update on 2021-10-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.